Call it instinct, but something compels some animals to behave in certain ways, perhaps programs in their genes. Researchers have directly connected activities of genes with instinctive behavior in ...

Social stress is bad for your brain. It’s a prime suspect in the accumulation of oxidative stress in the brain, which is believed to contribute to mental health and neurodegenerative disorders — but ...

Computed tomography -- CT scanning -- which combines a series of X-ray images taken from different angles around an organism and uses computer processing to create cross-sectional images of its bones, ...