Even the most elite endurance athletes can’t outrun biology. A new study finds that humans hit a metabolic ceiling at about 2.5 times their resting energy burn. When ultra-runners take on races that ...

High achievers often master stress but resist joy. Learn how to retrain your nervous system to see calm, rest, and pleasure ...

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 ...

529 contribution limits are set by each state plan and generally apply a total account limit per beneficiary. They range from $235,000 to $597,000. Many, or all, of the products featured on this page ...

Lattice structures are networks of interconnected nodes arranged in repeating or gradually varying patterns called cells.

ASHBURN, Va. — The hit that took out Jayden Daniels three weeks ago didn’t look all that dangerous. He dropped back to pass, got flushed from the pocket, ran to his left, and got clipped on his left ...

A search engine is a program close programA sequence of instructions written in a coding language that a computer can understand. that finds webpages on the web. You type in the words that you want ...

The bacteria and other microbes that live in your gut are known as your “gut microbiome.” They help you digest food and may support immune, heart, and brain health. However, disruption in your gut ...

‌Your brain is constantly at work, performing processes like thinking, concentrating, remembering, and more. During these activities, your brain cells constantly communicate with each other. This ...