A Moment of Science
Planning on climbing Mount Everest? You might want to plan to be gasping for air. Learn more on this Moment of Science.
Can sleeping in a room full of plants can be dangerous? A common myth states that, at night, plants compete with people for oxygen!
Many indigenous people live in areas of low oxygen concentration with few adverse effects. The big question is, how do they survive?
In movies like Call of the Wild, huskies pull sleds for hundreds of miles over the Alaskan tundra. A Moment of Science wonders, what kind of dogs are sled dogs?
If you have a runny nose and a fever, you'll need to drink more to replace those lost fluids. But why?
Some simple sugars detected by astronomers, glycoaldehydes, are thought to be the basic building blocks of life.
The body must produce the liquid part of blood, called plasma, and the cells that float in it.
Scientists have found fossilized remains of dragonflies with wingspans several feet in diameter.
Reading ads for antioxidant supplements, you'd think you'd found the fountain of youth. What are antioxidants and how do they work?
I have a friend who says there's not much oxygen on earth. Ever since I heard that I can't catch my breath! What's the truth?
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