It can be dangerous to go without sleeping, even for a day. Longer-term sleep deprivation can cause cognitive impairment, hallucinations, and other side effects. The longest recorded time without ...

Natural selection uses duplicated genes as raw material for functional innovation, co-opting their existing features to new functions. Understanding genetic innovation requires two questions to be ...

Chess, card games, and pickleball are just some of the games that can help keep your brain healthy and stimulated. Brain health is a vital part of overall well-being as we age. Research suggests the ...