The researchers says that exposing the brain to intense stress for 45 minutes can trigger aggressive acts in social situations.

Readers with the sharpest eyes can find four crabs among the group of lobsters in 11 seconds. Are you one of them? Find out ...

Only the most intelligent readers can solve the anagram in 4 seconds. Are you one of them? Test your intelligence now!

Scientists are piecing together the brain processes that underlie the wide-eyed wanting-to-know we generally think of as ...