A Moment of Science
Many indigenous people live in areas of low oxygen concentration with few adverse effects. The big question is, how do they survive?
Whether from playing too much basketball or jogging in ill-fitting sneakers, we've all had blisters. But what are blisters, and how do they form?
Have you ever been staring into space, or gazing up at a clear, blue sky and suddenly noticed clusters of tiny dots and swirls?
The body must produce the liquid part of blood, called plasma, and the cells that float in it.
The legend of the vampire, Dracula, may have had its basis in a very real disease known as Hereditary Porphyria.
As you might expect, planning astronauts' diets requires special considerations. Learn more on this Moment of Science.
You probably know that a brown recluse spider is poisonous. Well, brown recluse venom is both cytotoxic, meaning it can kill cells, and hemolytic, meaning it can destroy red blood cells. The extent of what this means if you’re bitten by a brown recluse varies. Learn more on this Moment of Science.
Are onions bad for your cat or dog? What foods should pets avoid?
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