If you think the way you see things nowadays is the way people saw things through the history, you are wrong.
As strange as it sounds, our eyes have evolved through the years. In this documentary, zoologist Dan-Erik Nilsson demonstrates how the complex human eye could have evolved through natural selection acting on small variations.
Back in the days, our eyes did not produce as clear vision as we have today. Nilsson shows that with a simple patch of light sensitive cells, and his model evolves until a clear image is produced.
Just think about this for a second, the first animals with anything resembling an eye lived 550 million years ago. Over time, a light-sensitive spot evolved into a retina, and everything else.
The AIDS epidemic caused by HIV virus found its way to the US as early as 1960, but it was first noticed after doctors discovered clusters of Kaposi’s sarcoma and pneumocystis pn...
For many years, testosterone has been seen as a metaphor for aggression. The reality is that there is no big connection between testosterone and aggression. This documentary ...
One in five people suffer with a persistent pain condition. That can be related to a long-standing illness or injury, pain syndrome, or migraine.What happens in your brain ev...
More than 264 million people worldwide of all ages suffer from depression. And depression is a leading cause of disability worldwide. Those 264 million people amount for 3.4%...
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