Life & Evolution

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Japanese black bears

Japanese black bears live in forested regions of Honshu and Shikoku. The bears are “ecosystem engineers,” a new study claims, because when they break tree branches, the gaps allow light to reach other plants.

little boy taking medicine

A study in mice show long-lasting effects from courses of antibiotics early in life.

salamanders

DON’T LET THE FUNGUS GET ME  North America’s extreme diversity of salamanders (lungless Ensatina eschscholtzii from the West Coast shown) could face catastrophic losses if the deadly Bsal fungus invades via the international live-animal trade. 

Life & Evolution

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