Scientists Discover "Beautifully Preserved" 380-Million-Year-Old Fish Heart
The heart is S-shaped and has two chambers, which led researchers to draw similarities between the fish and modern sharks.
Source: ndtv.com
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Charles Darwin's Descent of Man, 150 Years Later
When Charles Darwin published On the Origin of Species in 1859, it outlined a new scientific theory. Darwin reasoned that populations of organisms evolve over generations through a process that he termed “natural selection.” His work offered evidence that the diversity of life on Earth arose by common descent through a brachiating pattern of evolution. Origin explained the diversity and existence of new plant and animal species, but Darwin tiptoed around the question of what exactly this process would mean for humans and our own biological beginnings. It wasn’t until The Descent of M...
Source: jstor.org