A years-long malaria control campaign in the Brazilian Amazon nearly eliminated the disease from a city — but then cases rebounded. Now, scientists think...
Two lumps of potato discovered in a roughly 500-year-old Inca storage room in Peru are a rare find: freeze-dried potatoes predating the Spanish invasion,...
The iconic sideways walk of crabs may have evolved just once, in an ancestor that roamed Earth roughly 200 million years ago.
That conclusion, published...
