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What Darwin Never Knew
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Earth teems with a staggering variety of animals. The source of life’s endless forms was a profound mystery until Charles Darwin’s revolutionary idea of natural selection. NOVA reveals answers to the riddles that Darwin couldn’t explain. Stunning breakthroughs in a brand new science nicknamed ‘evo devo’ are linking the enigma of origins to another of nature’s great mysteries, the development of an embryo.
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DNA is covered at 3 levels. At the lowest level, there are genes that encode proteins that make body/cell parts. At the next higher level, there are DNA regions that regulate the expression of those genes: the show refers to these regulatory DNA segments as switches. And at the highest level, there are genes whose protein products throw the switches; that is, turn genes on or off by binding to the switches. And the video shows how changes to DNA at these levels can cause evolution. If people get nothing else out of the video, the topics in this paragraph should be the takehome part.
I am not doing the video justice -- a longer review would be needed to cover all the good things in this video.
is True" by Jerry coyne. He gets into it way deeper than any video series ever could, so if you are serious about this subject, I would recommend his
book. As far as videos on the subject go, this is one of the better ones for folks who know absolutley nothing.
It does touch on most of aspects and discoveries, but like every other video, it leaves hugh gaps.
It does explain how science works and shows you alot of the evidence in a easy to understand and interesting way.
And, unlike similar videos which were produced in the USA, it does not attempt to reconcil religous dogma with undisputed scientific facts
in an almost apoligetic way just to make the subject more "acceptible" to Americans. The facts, evidence and science are presented straight forward.
Very highly recommended for the interested beginner who maybe does not have the time to read Dr Coyne's (or Dr. Dawkin's "Greatest Show on Earth").
This has enough tantalizing information to make you (hopefully) curious enough to invest more time to learn.
The scientific commuity now accepts evolution as fact, it's reality is not debated among scientists, only among the un-educated lay public.
This video is a great way to find out why that is true, and how much more we know now then we did when "Origin of Species" was first published.
Science has had 150 years to disprove Darwins theory, yet with every new discovery and every advance in analyitical technology, (the Human Genome
Project was probably the smoking gun) we can now say with utter certainty that evolution is as true to biology as atoms are to physics.
You do not have to be a science "nerd" to love this video. Very highly recommended.