Scientific American

This Fossil Is Rewriting the Story of How Plants Spread across the Planet

An enigmatic group of fossil organisms has finally been identified—and is changing the story of how plants took root on land ...

A Biologist Spotlights The World’s First Antibiotics. Hint: It Was Found Growing On Ancient Egyptian Bread

While most people credit Alexander Fleming for the discovery of antibiotics, ancient texts suggest that he likely wasn’t the ...