On ancient Earth, it never rained but it poured

In a new study, researchers found that during epochs of extreme heat — 20 to 30 degrees Fahrenheit hotter than today — Earth may have experienced cycles of dryness followed by massive rain storms hundreds of miles wide that could dump more than a foo…

It takes cellular teamwork to heal the intestine

A meticulous single-cell analytical approach to study the repair process of rotavirus-caused injury in an animal model revealed that the damaged epithelium contains a variety of cell types involved in repairing it through broad coordinated responses th…