Brown bears are obese. They have to be to survive months of hibernation. And yet they do not experience the complications that we do when we pile on the pounds. So what can they teach us?
South American oilbirds combine echolocation and extremely sensitive vision to find their way through dark caves. Decoding how they do this could help develop autonomous drones.
Scientists released an army of fake insect larvae to investigate how predators attack their prey—the tropics officially win as the world’s “hardest place to survive.”
The list of animals that use tools keeps growing, from chimps to birds and even octopuses. So is it time that we abandoned "tool use" as a measure of intelligence among species?
