John Allman (with colleague Atiya Hakeem at Caltech examining elephant brain specimens) is searching for one of the biological keys to human behavior. Aaron Huey There was little chance of missing ...

An elephant's brain is four times heavier than a human's. But as a percentage of its body mass it ranks at the bottom. The data used in the video is from UCLA Statistics and the images are from ...

BARBER: How elephant seals are helping scientists monitor ... and they're located in this part of our brain called the hypothalamus. But sugar seems to hijack that system in an interesting way.