Spinach may have done the trick for Popeye, but it doesn't add muscle to the rest of us.
Pound for pound, the rhino beetle is the strongest creature on Earth: It can carry 850 times its own weight on its back.
How much more does an older runner have to run in order burn as many calories as a teenager?
Crumple up a piece of paper. The crumpled ball gets stronger the more it is compressed, why is that?
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?
Just how big was 2004′s Sumatra earthquake? Learn more on this Moment of Science.
Learn about one of nature's coolest animals of all time on this Moment of Science: "Nature's Helicopter".