Some behaviours that are crucial to survival appear to be hard-wired, meaning that they occur without previous experience. For example, many prey organisms naturally know how to escape to safety from ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Some slimy sea creatures have a very strange way of escaping predators, even after they've been swallowed. Baby Japanese ...

Researchers at Tulane University have identified brain circuits that help determine how fear responses change as perceived threats diminish, offering new insight into how the brain regulates defensive ...

An impala runs away from a cheetah. Valerio Ferraro / REDA&CO / Universal Images Group via Getty Images Survival of the fittest often means survival of the fastest. But fastest doesn’t necessarily ...

Survival of the fittest often means survival of the fastest. But the fastest doesn’t necessarily mean the fastest moving. It might mean the fastest thinking. When faced with the approach of a powerful ...