The worms absorb and digest symbiotic bacteria through their skin.
Factories, national parks, and dense urban areas worldwide feel the effects of COVID-19.
During this modern coronavirus pandemic, our ancient instincts for avoiding disease may misfire.
Someday, such supports could allow meat in the lab to grow from tiny hamburger-nuggets into something more like steak.
New research indicates that new technologies emerged on the island separately from Eurasian innovations.
Yamir Moreno studies how human networks spread COVID-19 and other diseases.