Articles on Biology

Displaying 61 - 80 of 496 articles

A small group of wild yellow-bellied marmots near the Rocky Mountain Biological Laboratory in Colorado. D.T. Blumstein

Wild marmots’ social networks reveal controversial evolutionary theory in action

Multilevel selection is a controversial concept originally proposed by Darwin. A new study found evidence for it in the wild in a group of marmots scientists have been observing for more than 60 years.
Your skin cells can generate electricity when wounded. Torsten Wittmann, University of California, San Francisco/NIH via Flickr

Cells lining your skin and organs can generate electricity when injured − potentially opening new doors to treating wounds

Textbooks usually depict the epithelial cells encasing the interior and exterior of your body as passive barriers. But researchers discovered they can produce electrical signals like neurons.

Top contributors

More