How come someone with crutches outpace an uninjured person?
Why do we swing our arms while walking? Scientists are researching how we walk.
Bugs flip when they die because their legs return to what is called the "position of flexion."
Believe it or not, you can trick the muscles in your arms into effortlessly pulling your arms up, as if helium balloons were tied to your wrists.
Ever wonder why it's so tiring just standing around at museums? It's not like your getting tons of exercise. Find out on this Moment of Science.
You probably know that the way to stronger muscles is a weight or resistance training program, but do you know how weight lifting increases strength?
If you’ve ever pulled an all-nighter or gone without sleep for more than two days in a row, you know what happens. You start to feel groggy, and eventually have trouble concentrating. You might even hallucinate. Go without sleep for too long and, as studies using rats have shown, you can die. Clearly, our bodies need sleep. Learn more on this Moment of Science.
You graduate, get married, have kids, and around the age of 35 you’re no longer so young and so lean. What happened? Learn more on this Moment of Science.
We humans are vain. It’s true. What other species watches its weight or worries about aging? Learn more on this Moment of Science.
Are you lifting weights too fast? Learn the best ways to lift for the results you want on this Moment of Science.