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Search TAG: science

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Book Reviews, Graphic novels

Ant Story

by Jay Hosler 2024 / 158 pages This is as fascinating and creepy a comic about ants as you're likely to read. Ant Story is narrated by Rubi, an an...
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Sexuality

Make it up as you go: Alfred Kinsey’s sex research
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Book Reviews, Graphic novels

Science Comics: a quality quartet

Comics that are hilarious and instructive? That's impressive! What's less impressive about this “Science Comics” series, is that quite a few of...
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Family, Movie Reviews

The Newtons' Workshop

Children's TV series 1997 / 226 minutes Rating: 7/10 The stars of this children's "edutainment" show are most certainly Grandma and Grandpa Newto...
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News, Science - General

Genetically-engineered babies have now been born

Human experimentation has been happening around the world for the past four decades, with research scientists actively carrying out experiments on human embryos. The stated objective, in usually something noble-sounding: to learn more about human biology, or to possibly treat some disease conditions. And while few scientists will admit to an interest in cloning people, or in actually producing genetically-altered individuals, this is the direction our society is heading. Indeed, modern society does not value unborn babies enough to protect them, and at the same time society is terribly afraid of genetic abnormalities. Under these conditions – little respect for unborn human life, and little respect for those with genetic abnormalities like Down syndrome – it would seem human cloning and gene alteration is inevitable. But it isn’t acceptable yet. That became clear when, on November 26, 2018, the scientific and medical world reacted in horror to the announcement by Dr. Jiankui He at the Second International Summit on Human Genome Editing in Hong Kong, that he had created modified human embryos. These embryos had been implanted in their mother, and in early November, twin baby girls had been born in China. This was a world-wide first – the first genetically-edited full-term human babies.  What happened Ever since the 1970s introduction of in vitro fertilization of human eggs with sperm outside the womb, the stage was set for scientists to experiment on such embryos. Many people, mindful of the special nature of humans at every level of development, protested against such work. Even some scientists were nervous about the implications of these experiments. However, for many, the concern was only that individuals damaged in laboratory experiments should not be allowed to develop to term. They were okay with the human experimentation – they just didn’t want these babies to be born. As a result, a general understanding was reached between ethicists and scientists, that no experiments on embryos would continue longer than 14 days – at this point these embryos were to be destroyed. The 14-day limit was chosen because it is at this point that the embryos begin to develop specialized tissues and thus becomes more obviously human (Nature July 5, 2018 p. 22). But as the experimentation has become more sophisticated, scientists have begun to promote the idea of a longer timeline for their investigations. Thus, a conference was held in May at Rice University at which 30 American scientists and ethicists discussed “whether and how to move the boundary” (Nature July 5, 2018 p. 22). About the same time, Nature magazine published an announcement concerning such research: “At present, many countries …prohibit culture beyond 14 days, a restriction that reflects the conclusions of the 1984 UK Report of the Committee of Inquiry into Human Fertilization and Embryology (also known as the Warnock Report. Whether this rule should be relaxed is currently being debated” (May 3, 2018 p. 6, emphasis mine). Scientists are clearly seeking to relax the rules governing their studies. “Germ-line changes” Research on human embryos has continued worldwide since those early days. However, all parties once agreed that on no account should modified embryos be implanted into a mother and be allowed to develop. The reasons included society’s disapproval of experiments on people, but especially because such individuals would carry “germ-line changes.” Changes to most cells in the human body have no impact on future generations – these changes die with that individual. However, changes to the gametes (egg and sperm) are called germ-line changes because these modifications will be passed on to each subsequent generation. It is not that the scientists involved actually object to germ-line changes. The problem is that they want their results to be predictable and “safe.” Any uncertainties could lead to catastrophic results, ensuing hostile public opinion and big lawsuits. It would be far better to proceed cautiously. Thus, it is illegal in the US and many other countries to alter genes of human embryos or gametes. However, within the last decade, another new biomedical technology has appeared on the scene that has drastically streamlined gene editing in numerous organisms. The CRISPR-Cas9 technology has made gene editing much easier and much more precise.* Obviously, it was a mere matter of time before someone used this to try his hand at gene editing in human embryos. The scientific community offered no serious objections when Dr. Jiankui He of China presented an account of such work at a conference at Cold Spring Harbor Laboratory in New York during the spring of 2018. At this conference, Dr. He discussed the editing of embryos from seven couples. However, at that point, this man made no mention that any of these embryos had been implanted into their mothers. Dr. He “edits” babies to be HIV-resistant According to a Nov. 28 news item at Nature.com (David Cyranoski's "CRISPR-baby scientist fails to satisfy critics") Dr. He recruited couples in which the male was HIV positive but the female was normal. Individual sperm cells were washed to remove any viruses and the cells were injected into eggs along with CRISPR-Cas9 enzymes carrying a gene for resistance to HIV infection. A total of 30 fertilized embryos resulted of which 19 were deemed viable (able to live) and apparently healthy. These were tested for the CCR5 mutation which confers resistance to HIV infection. From one couple, two of four embryos tested positive for the mutation. One embryo carried the mutated gene on one chromosome and a normal gene on the other, while the other embryo carried the mutation on both maternal and paternal chromosomes. These embryos were implanted into the mother who successfully gave birth to twin baby girls early in November. No information was forthcoming on the fate of the other embryos, although Dr. He now says that another woman may be pregnant. The response of the scientific community has been shock and horror. But why are they so horrified? Is this not what they have been working towards? The scientific community is afraid because the risks of this procedure at this preliminary stage of research, are substantial. There are, at present, major questions as to whether the genetic modifications will actually have the desired effect. A well-known problem is that the CRISPR apparatus sometimes cuts the chromosomes at other places as well as/ or instead of the desired location. This off-target effect has been found to be a major problem in some studies. In addition, most genes are known to influence a number of seemingly unrelated traits. This phenomenon is called pleiotropic impact of one gene on other genes. These risks are particularly serious when we consider that these are germ-line changes, that will impact subsequent generations from this individual. Response The same Nov. 28 Nature.com news item declared: “Fears are now growing in the gene-editing community that He’s actions could stall the responsible development of gene editing in babies.” Indeed, a commentator on one website reflected that “if this experiment is unsuccessful or leads to complications later in life … set the field of gene therapy back years if not decades.” In view of these concerns, many individuals and medical and scientific institutions released statements expressing condemnation for this gene-editing work. Dr. Francis Collins, director of the National Institutes of Health in the United States, declared that the NIH “does not support the use of gene-editing technologies in human embryos.” The Chinese Academy of Sciences declared that Dr. He’s work “violates internationally accepted ethical principles regulating human experimentation and human rights law." A colleague and friend of Dr. He suggested that the gene-editing work lacked prudence, that it could, unfortunately, serve to create distrust in the public. Obviously, an important concern on the part of the scientists was that the promise of this technology not be rejected by the public. Dr. David Liu of Harvard and MIT’s Broad Institute (heavily involved in CRISPR research), insisted of He’s work: “It’s an appalling example of what not to do about a promising technology that has great potential to benefit society.” Dr. George Daley, dean of Harvard Medical School, summed up the feelings of many colleagues when he said: “It’s possible that the first instance came forward as a misstep, but that should not lead us to stick our heads in the sand and not consider more responsible pathway to clinical translation.” In other words, many scientists seek to continue to pursue the goals also sought by Dr. He, only the rest of them will proceed more slowly and carefully. Conclusion It is largely Christian objections to treating human embryos as things, rather than as persons (made in the image of God), that has led to the ethical rules that control this research. It is a vestige of our Judeo-Christian heritage which limits scientists from just doing whatever they want. They have to obtain permission from ethics committees to conduct their particular research program. Of course, Christians want to see this work made completely illegal, but if political realities make such a ban impossible, then we can still seek to restrict this work as much as possible. It is interesting that a news feature in Nature (July 5, 2018 p. 22) articulated the fascination and unease that some scientists derive from this work. Bioethicist Dr. Jennifer Johnston of the Hastings Center in upstate New York, reflected on the respect that the human embryo commands even in secular observers: “That feeling of wonder and awe reminds us that this is the earliest version of human beings and that’s why so many people have moral misgivings …..  It reminds us that this is not just a couple of cells in a dish.” Are there any good results from this controversy over genetically-engineered babies? Perhaps there is one. The event may cause more people to pay critical attention to the experiments that are, every day, conducted on human embryos. Let the whole world know that we are fearfully and wonderfully made, from the very first cell onward, and manipulation in laboratories should have no place in our society. For further study * For more on this topic, see: Dr. Helder’s book No Christian Silence on Science pages 32-39 for a discussion on Clustered Regularly Interspaced Short Palindromic Repeats (ie. CRISPR). Jennifer Doudna and Samuel Sternberg’s book  A Crack in Creation: the new power to control evolution, page 281. Dr. Helder's article, providing further background to CRISPR, Natural Firewalls in Bacteria ...

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Science - General

DNA: good discovery, bad agenda

­What a difference 65 years makes. It was in April of 1953 that a one-page letter appeared in the journal Nature. Two young scientists believed that they had figured out the double helical structure of deoxyribonucleic acid or DNA. In their communication to the journal, these men remarked with masterful understatement that, “This structure has novel features which are of considerable biological interest.” This was indeed the case. What these two men had achieved was to explain how the long DNA molecule in chromosomes stores information which can be accurately duplicated. This discovery has led directly to DNA fingerprinting, biotechnology, the sequencing of the human genome and evolutionary theories based on DNA sequences in various organisms. Although 65 years ago it was much too soon to foresee all these developments, nevertheless informed individuals understood that a significant milestone had been achieved. Nobodies are somebody too The big surprise in 1953 was not that the structure, and by implication the function, of DNA had been discovered, but rather who had done it. With established scientists like American Linus Pauling of Caltech in Pasadena, and British scientists Maurice Wilkins and Rosalind Franklin at King’s College, University of London, carrying out such research, it was expected that the problem would soon be solved. These scientists all had research funds, equipment and established names in science. On the other hand, the British Francis Crick (1916-2004) and American James Watson (b. 1928) were basically nobodies in the scientific community. Crick for his part, his career having been interrupted by war service, was still a graduate student in 1953. Four years earlier, he had come to the Cambridge Medical Research Council Unit. His base of operations was the Cavendish physics lab where Nobel laureate Ernest Rutherford had achieved great things in the 1930s. Crick might be merely a graduate student, but he was nevertheless skilled in the methods of X-ray diffraction, so useful in searching for the structure of large organic molecules. Moreover he had devised a theoretical method for interpreting X-ray derived images of long chain molecules (polymers). This was a highly significant skill. Rebels with a cause The lead author of the April 1953 letter was James Watson. He had actually already earned his doctorate in bacterial genetics. Then in 1951 at age 23, he arrived at the Cavendish lab to carry out post-doctoral work on myoglobin, an oxygen storing protein found in muscles. Crick, for his part, had been assigned to carry out X-ray diffraction work on hemoglobin (the all important oxygen carrying molecule in red blood cells). Although they came from different backgrounds, Watson and Crick were alike in many ways. Both of them had, for example, read the 1944 book What is Life? by quantum physicist Erwin Schrodinger (1887-1961). In this work, far outside the author’s field of expertise, Schrodinger had speculated that there must be a code of some kind in cells that allows molecules to carry information. Watson and Crick both suspected that DNA was such a molecule. They were fixated on the problem of DNA structure. It mattered little that they had been forbidden to work on this problem. By gentleman’s agreement between laboratories, the DNA problem had been allocated to the people at King’s College in London. Nevertheless nobody could forbid this irrepressible duo from bouncing ideas off each other, could they? Just because you’re paranoid doesn’t mean you’re wrong Meanwhile at King’s College, the most capable person carrying out research there in X-ray diffraction was Rosalind Franklin (1920-1958). She was a shy, very work oriented Jewish young lady who suspected that her male Anglo-Saxon fellow scientists were trying to steal the results of her research. In this suspicion she was entirely correct. Unfortunately as a result of her attitude, she had few people-handling skills and thus she found herself isolated and unprotected. She was one of two people allocated to research DNA structure. The other was Maurice Wilkins, who was much better known in the scientific community. He hardly ever spoke to his female colleague. It was Rosalind Franklin who managed to overcome the difficulties of working with DNA. She designed a special X-ray camera for this work and protocols for handling the molecule. Soon enough, she began to produce X-ray images. What they meant however, she refused to speculate upon until her entire program had been carried out. It was X-ray images that would provide vital clues about DNA structure. She was quite sure about one thing; the images did not suggest a helical structure in DNA. Two’s company, three helixes is a crowd It is traditional for scientists involved in research to occasionally give lectures to update colleagues on what they are doing. Rosalind Franklin delivered such a seminar in November 1951. Her colleague Maurice Wilkins invited his friend James Watson from Cambridge. Francis Crick did not come because his interest in DNA was too well known. Watson listened carefully, but he did not bother to take notes. That might look too eager. Watson’s recall of what he had heard proved faulty however and progress on the issue was very slow. Then in January 1953, word came that American Linus Pauling was about to publish a proposed structure. This man sent a preprint to his son at Cambridge. The son showed it to friends Watson and Crick. They were relieved to see that Pauling had made a simple but significant error in the chemistry and was proposing a triple helix structure. They had a reprieve which might last a few weeks. Two days later Watson visited Franklin. The exchange of views did not go well. Watson taunted her that she was inept at X-ray interpretation. He then encountered Wilkins who showed Watson the best image Franklin had ever taken. From it Watson was able to see clear indications of helical structure and even measurements of angles. Wilkins also showed Watson a Franklin research proposal which contained further crucial details. Based on these insights, Watson and Crick solved the DNA conundrum within four weeks, proposed a double helix, and the rest is history. When they published, they failed to acknowledge any contribution of Rosalind Franklin. She died five years later, never having heard of her contribution to this story. In 1962 Crick, Watson and Wilkins were awarded the Nobel Prize in Physiology and Medicine. The achievement of Watson and Crick reveals how important theoretical analysis is to the solving of many scientific problems. However they could not have done it without the experimental foundation of Rosalind Franklin. Theory and empirical research go hand in hand. Driven by an agenda In the decades that have followed, both Watson and Crick enjoyed long careers. Interestingly, both attribute their success to their atheistic views. James Watson went on to a faculty position at Harvard University where he soon proved himself adept at fund raising and administration. Eventually he became director of the Human Genome Project. Francis Crick also enjoyed a long career and in his later years turned his attention to the seemingly unrelated issue of human consciousness. In Crick’s mind, however, there was a connection between the human brain and the DNA helix. During an interview with Matt Ridley, Dr. Crick described the connection. Apparently his interest in science came entirely from his atheistic views. Because of his distaste for religion, Dr. Crick said, he set out to research the two main topics often cited as support for religion: namely the gulf between life and nonlife, and the phenomenon of consciousness. As a hardcore materialist, it was Crick’s objective to explain both these phenomena in chemical terms. His hope was to dispense with any excuse for attributing natural phenomena to the work of God. After all, as colleague James Watson once remarked “Every time you understand something, religion becomes less likely” (or so they would both like to believe). A description isn’t an explanation A little reflection on our part, however, will show that Watson and Crick had in no way explained the gulf between living cells and mere organic compounds. Indeed what they had achieved was to describe how information is stored in DNA but they had not explained how that information came to be stored in the DNA molecule in the first place. Nevertheless, under the mistaken assumption that their explanation did away with the need for a Creator of living cells, Dr. Crick turned his attention to the problem of consciousness. He wrestled with the problem for more than twenty-five years, but still the solution eluded him. One might imagine that after all that time, he might concluded that his program has no hope of success – that he might even grow discouraged with his atheistic agenda. On the contrary, right up until his death, Dr. Crick remained as firmly committed to his position as ever. Throughout his career, James Watson too has steadfastly declared his atheism. In an interview with editor John Rennie of Scientific American, Dr. Watson confided: “I never thought there was a spiritual basis for life; I was lucky to be brought up by a father who had no religious beliefs.” In another interview he suggested that one of the benefits of DNA research was to provide mankind with godlike powers. Thus he remarked: “Only with the discovery of the double helix and the ensuing genetic revolution have we grounds for thinking that the powers held traditionally to be the exclusive property of the gods might one day be ours.” When it was pointed out to him that his sentiments were a far cry from those of the founding Pilgrim fathers, he replied: “America isn’t what it was like when the Pilgrims came here. We’ve changed everything. We’ve never tried to respect the past, we’ve tried to improve on it....” That’s his opinion at any rate. No end to the wonders to explore It is apparent that from the start, the objectives of Drs. Watson and Crick were atheistic in nature. They were bitterly opposed to religious faith of any sort. For example, Francis Crick resigned as a fellow of Churchill College, Cambridge when that college embarked on plans to build a chapel. He suggested alternatively that a brothel would be nice, a not too subtle put down of places of worship. The ultimate objective of these two men then was to explain both life itself and consciousness in chemical terms which would completely exclude any supernatural element. Of course in neither instance have they succeeded. The mystery of life cannot be explained in chemical terms. It is indeed ironic that our understanding of DNA has led to a greater appreciation of the gulf between nonliving chemicals and the living cell. No spontaneous or natural process can ever explain how a code such as DNA came to be, or the astonishingly concentrated storage of its contained information. Instead of providing us with an explanation of how we could have come about without God, their discoveries have only help show that we are more “fearfully and wonderfully made” than was understood before. Thus this objective of atheists Watson and Crick has been met with utter failure. In addition even Dr. Crick admitted that the search for an explanation for consciousness had been frustrating. No solution is in sight even after all those years of study. Christians for their part, still celebrate the achievements of April 1953. The motives of Watson and Crick were all wrong, but the nature of their information does not depend on attitude whether good or bad. A version of this article first appeared in the June 2003 issue of Reformed Perspective under the title “DNA and the atheists agenda.” Dr. Margaret Helder also writes for Creation Science Dialogue....

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Family, Movie Reviews

Two DVD series teach Science the way kids love to learn it . . . and from a six-day perspective

When it comes to science, some of the most compelling material for kids will have scattered evolutionary references throughout. More importantly, secular texts don't give the Creator his due, and are lacking when it comes to awe. I suspect that's because it's hard to express awe and not direct it upward – awe expressed is worship. So when a scientists won't acknowledge the sheer Genius at work behind the wonders around him (and instead credits it all to thoughtless evolution) that's going to cut into his bubbling appreciation. So what a treat it was to find two DVD science series that are not only Christian, but compelling. And both are crafted from a biblical perspective that acknowledges God made it all in just six days: Biology 101 is intended for teens and up but parents will love it too. Meanwhile Newtons' Workshop is aimed at the younger set, Kindergarten up to maybe Grade 6, but the whole family can enjoy it together. BIOLOGY 101 Curriculum / Documentary 2012 / 277 minutes RATING: 9/10 Wes Olson's Biology 101 DVD series proceeds from a young-earth 6-day-creation perspective, but this high-school curriculum resource isn't so much a specifically creationist resource as a solidly biblical one. What I mean by that is that Olson only rarely specifically mentions creationism and evolution, but he's always talking about how great God is. That awe shows up in all he says. But while the term "creationism" is seldomly heard, a literal understanding of the Bible is integrated throughout this series. For example, in talking about genetics Olson throws in the quick comment that there are only three people who have not come about by the combination of their parents' DNA: Adam, made from the earth, Eve, made from Adam, and Jesus, made from Mary's DNA and the Holy Spirit. The creationist perspective also comes out in how this look into earth's various lifeforms is broken up. Olson has ordered the segments by what day in the creation week that the organism was made. So, we start with plants on the third day, then look at aquatic and avian creatures which were made on the fifth day, and so on. It looks good Production values are solid throughout. There are piles of pictures and film clips of the creatures being discusses, and Olson, as narrator, has a delightfully dry wit. This is evidenced in the many short extra bits of information he includes, such as this: "Ostriches are the largest birds, standing over eight feet talk, and the fastest two legged runner, sprinting nearly 45 miles per hour. Roadrunners, on the other hand, have a top speed of only 17 mils per hour, chasing lizards and snakes. Coyotes have a top speed of nearly 30 miles per hour, almost twice the speed of a road runner. Just in case you were wondering." And sometimes it is the extra bits of trivia that serve to make his points more memorable. In talking about recessive and dominant genes he noted how dark hair was dominant over light, and, "...incredibly the gene for having 6 fingers on one hand is dominant over the gene for having only five fingers on one hand, but practically everybody carries two copies of the five-fingered gene, which is why you almost never see someone who has six fingers on one hand." Six fingers is dominant? I'm going to remember that. And in remembering it, I'm going to remember the difference between recessive and dominant genes. Contents This is meant as a high school biology course. However, it is only 4 and a half hours long, and while it comes with a 118 page textbook (on pdf, stored on one of the DVDs) it is less comprehensive than a high school biology course would need to be. So this would make a wonderful foundation for a course, but other materials would be needed to supplement it. The 9 episodes vary in length from as short as 15 minutes to as long as 44 minutes. DISK 1 1. Introduction: Defining life and an explanation of organism classification systems 2. Plants DISK 2 3. Aquatic creatures 4 Avian creatures DISK 3 5. Land animals 6. More land animals 7. Mankind 8. More on Mankind DISK 4 9. A brief history of the study of biology, the origins of genetics, and the moral questions involved in remaking our own genome Audience The course material is for ages 15 and up, but the content is appropriate for all ages. This focus on all-ages appropriateness does mean the discussion of our reproduction system is done in the broadest of strokes. We learn about how children are a combination of their mom's and dad's genes but no mention is made of exactly how those genes get mixed. I'd highly recommend this to any Christian high school science teacher – whether they use it in whole or part, there's sure to be lots of it they will want to show their classes. It would also be an excellent supplement for any Christian child attending a secular high school; this is the perspective they'd be missing. Families with an interest in this subject matter will also find this worth buying. I should note that while I gave this an 9 rating, that was for how it rates as an an educational resource – I can't think of any better. But from a solely entertainment focus, this would only score a 7. If you want to learn biology, this a wonderful method. If you want to be entertained, there are more entertaining films out there. You can find out more at the Biology 101 site and check out the 14 minute first segment and introduction down below. The 4-DVD Biology 101 set is $70 US on the website, but seems to be cheaper at Christianbooks.com and Amazon.com. Chemistry 101 is even better Wes Olson has also produced a Physics 101 series and a Chemistry 101 series. I haven't seen the Physics 101, but have had a chance to look at the Chemistry 101 series. I thought it was even better. Olson's approach to teaching chemistry is to lay it out as it was discovered – we go through it historically, learning about one discovery after another. I was rather surprised about how much of our knowledge of chemistry has only been discovered in the last 150 years. This historical approach is brilliant and fascinating. I watched this one simply because I couldn't stop. But at 11 hours long it is a little over twice the material of the Biology 101 series....so I'm not done it yet.   NEWTONS' WORKSHOP Children's TV series 1997 / 226 minutes Rating: 7/10 That stars of this children's "edutainment" show are most certainly Grandma and Grandpa Newton, who have more spare time and are quirkier than any grandparents you know. Over the course of this 8-episode series, this set of seniors is ready to help any time their grandkids have a question or a problem. What kind of help? Well, in Episode 1, when granddaughter Trisha and her friend Megan decide to do a science project on "world building" Grandpa Newton just happens to have a workshop full of mechanical models that show how wondrously God has designed this planet. And in Episode 4, when an astronaut's visit to her school has Trisha curious about space, Grandpa helps puts the solar system in perspective by creating a scale model in which the Sun is the size of a beachball, and Earth is almost a soccer field away. It's fast-paced, funny, and has my 4 to 8-year-old daughters' attention even after repeated viewings. This is a conservative Christian perspective on science, put out by the (generally Calvinist) Moody Bible Institute. And, while I'm not up for quite as many viewings as my kids, these are entertaining enough that I don't mind seeing the repeats now and again. Cautions That said, I did have a caution to share. In Episode 8, "The Pollution Solution," Grandma and Grandpa tackle the problem of pollution, and while most of this episode is sensible and helpful, there is a dash of confusion and a spoonful of tokenism mixed in. It begins with Dad calling a family meeting about the way everyone is wasting water. But he misrepresents the problem: he make it seem like long showers can contribute to drought, but a shower's water heads down pipes that will eventually return it right back to the lake or river it came from. Long showers can be wasteful, but they aren't contributing to any drought – what's going down the drain, never to be seen again, is mom and dad's money, paying for water and heat that isn't needed. The tokenism comes in when Tim and Trisha end up having a trash contest to see who can generate the least amount of trash over a week. What isn't addressed is that recycling costs money – it takes resources too – so recycling isn't always the responsible choice. We see a similar sort of tokenism when the Newtons briefly address global warming. This episode was made 20 years ago so, compared to anything today, the doom and gloom is a lot less pronounced. But we do get fed today's typical non-solutions: Tim and Trisha suggest global warming can be addressed by "walking on short errands, or riding your bike, or carpooling to work." Sounds good, and you'll hear suggestions like that made today too. But it misrepresents the radical nature of the changes global warming proponents are really after. It isn't a matter of more bikes, but fewer children. Now, if the show's producers had heard that sort of argument 20 years ago I think they might have seen through it. They'd know from the Bible that children are a blessing to be embraced, so when the world says the opposite – that they are a curse to be avoided – that gives Christians reason to be skeptical. That said, Grandpa Newton has some good things to say in this episode too, and I think it can be watched to some benefit so long as mom and dad are there to talk their kids through it. But if you aren't buying this as a package set, then DVD #4 might be worth giving a miss. Conclusion So who would like this best? While the producers recommend this for 7-12, I'd lower that on both sides by about 2 years. This is best suited for 5-10, although Mom or Dad can enjoy it too. Overall this is just a fun, clean, biblically-based, science lesson wrapped up as family TV series. It entertained our family and educated them too - not a bad combination! You can pick it up at Christianbooks.com or Amazon.ca. Both of these reviews first appeared on Reel Conservative.   ...

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