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Have humans stopped evolving ?


Posted on Tuesday, 10 September, 2013 | Comment icon 64 comments

Attenborough's nature documentaries have made him a household name. Image Credit: CC 3.0 Mike Dixson
Naturalist Sir David Attenborough believes that natural selection in humans has all but stopped.
Attenborough contends that biological evolution in humans has ended because the advances of the modern age have enabled us to raise even the weakest of our kind, even those with health problems that under any other circumstances would have prevented them from surviving. In essence, natural selection no longer applies.

"We stopped natural selection as soon as we started being able to rear 95Ė99 per cent of our babies that are born," he said. "We are the only species to have put a halt to natural selection, of its own free will, as it were. Stopping natural selection is not as important, or as depressing, as it might sound - because our evolutionary process is now cultural."

The 87-year-old also expressed gratitude for having lived in the present as he fears future generations will experience far more problems than those alive today. "I have all kinds of pleasures and luxuries that I appreciate and Iím very, very fortunate," he said. "But I think that in another 100 years people will look back at a world that was less crowded, full of natural wonders, and healthier."

Source: Telegraph | Comments (64)

Tags: Evolution, David Attenborough


 
Recent comments on this story
Comment icon #55 Posted by Uncle Sam on 14 October, 2013, 1:36
Technology and Culture Adaptation is evolution. It is an evolutional step that all sentinel life goes through, basically we take the best of culture and technology, we add it to our lives to make it easier. Unlike natural evolution, we have control of when and how things happen. Difference between them that natural evolution effects our bodies while social and technical evolution effects how we interact with the world. Natural Evolution of humans is still happening, just on a smaller scale, our evolution just slowed down to a crawl compared to other animals that are currently evolving at a muc... [More]
Comment icon #56 Posted by spacecowboy342 on 14 October, 2013, 2:25
Natural evolution is only happening through genetic drift and mate selection processes. Natural selection isn't really happening for us anymore as we don't adapt to our environment but adapt our environment to us. This doesn't mean that genetic engineering won't happen
Comment icon #57 Posted by cormac mac airt on 14 October, 2013, 2:54
Voodoo, 'anatomically modern humans' comprises the entirety of the last c.200,000 years. Absolutely, we have evidence of evolution in humans in that timeframe. Genetically we've evolved from one maternal or paternal haplogroup to dozens. In some groups we've also evolved the ability to process lactose, making those individuals more lactose tolerant. As well as some blond hair, or blue eyes or lighter/white skin. Our lower jaws and musculature aren't as robust as they once were either as we no longer require such for chewing the tougher food items as we once did. All of th... [More]
Comment icon #58 Posted by Rolci on 12 November, 2013, 20:55
Assuming you meant "anatomically" (-cly doesn't look like a typo to me) my reply would be to suggest you do the same. http://www.the-scientist.com/?articles.view/articleNo/34194/title/Humans-Adapt-to-Icy-Life/ to help get you kickstarted. And when you've done enough reading maybe you'll learn to spell too!
Comment icon #59 Posted by danielost on 13 November, 2013, 12:48
Your wrong. We made a stronger human during the seventeen and early eighteen hundreds. Through selective breeding. The slaves were breed to produce strong and healhy slaves. Todays african-americans still reap the benefits from that in sports. But, that is not evolution. No more o than the different breeds of dogs or cats are.
Comment icon #60 Posted by danielost on 13 November, 2013, 12:53
Homo-erectus. Had the same reginal facial futures as modern man does in the same regines. So I would say we stopped evolving a very long time ago.
Comment icon #61 Posted by danielost on 13 November, 2013, 12:59
Since, man is the only life with advanced tech. How can you use as term such as all sentinet life does anything. And, I say when you start calling tech knowledgy as part of evolution, your clutching at straws.
Comment icon #62 Posted by danielost on 13 November, 2013, 13:07
Evolution has as much true evidence behind it as religion does, NONE. That is macro evolution. Micro evolution can take place in seven years or thousands of years. There is no evidence that fish produced frogs. Someone in another thread produced a dot turning from red to blue to show evolution at work. It was a good example of micro evolution. Macro evolution would be turning it from a period to a question mark. At some point it stops being a period and becomes a question mark in one generation.
Comment icon #63 Posted by spacecowboy342 on 16 November, 2013, 21:59
The only difference between your so called micro and macro evolution is the time scales involved. Modern genetics has pretty much proved evolution. There is a lot more evidence than religion has. Many fossils


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