A major evolutionary theory says most genetic changes don’t really matter, but new evidence suggests that’s not true. Researchers found that helpful mutations happen surprisingly often. The twist is ...
A variety of studies are showing that rough-and-tumble play is important for animals and kids alike.
The search for life on Earth is speeding up, not slowing down. Scientists are now identifying more than 16,000 new species ...
Like a phoenix rising from the ashes, our skin tissue—and in fact many types of epithelial tissue that lines and covers the ...
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