Recent findings show the dinosaur may have been more comfortable in water than on land. But a full skeleton has never been found, leaving researchers to construct the beast’s image with scattered evidence. ...read more
Over 1.5 billion children can't go to school right now. An online program called Earth School hopes to help by offering kids, parents and teachers dozens of science "quests." ...read more
Fevers, rashes, nausea and other less-visible symptoms point to the mysterious Multisystem Inflammatory Syndrome apparently related to the coronavirus. ...read more