Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth ...

One type of cognitive training appears to reduce the risk of dementia 20 years later. Even a modest amount of mental exercise appears to reduce the risk of dementia for decades. NPR's John Hamilton ...

A study that developed biological age clocks to predict a person's age, which may differ from chronological age, showed that a reduced-calorie diet among the trial participants caused a major ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding Lifehacker as a preferred source for tech news. Diversifying your studying ...