Babies: Cute little bundles of joy…or bizarre creatures from another planet? Bones An adult human has exactly 206 bones. Babies, however, have as many as 300. When they’re born, a lot of what will eventually harden and fuse into solid bones are individual pieces of soft bones, or cartilage. Knees But some bones adults have […]
If you could have a superpower, what would it be? Flight? Super-strength? An imperviousness to cholesterol? Tetrachromatism A condition called tetrachromatism enables a person to see more of the color spectrum than the rest of us. Those with it can notice more subtle shades of colors, even within a single object; something may appear red […]
For centuries, inventors have been pursuing the concept of a perpetual motion machine—a device that generates its own power and, like the Energizer Bunny on TV commercials, keeps “going, and going, and going…” Here are two real-life objects that are doing just that.
One of the harsh realities of life in space is that in an emergency, astronauts may have to live in their spacesuits for days on end. If that ever does happen, how will they go to the bathroom? That’s the question NASA hopes to answer.
You’ve heard the expression “as slow as molasses moving uphill in winter”? Here’s the story of something even slower.