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?
If you needed to know what the weather was like in Singapore tens of millions of years ago, you'd have to consult a different source.
Did you ever wonder why heavy cream whips into soft, light peaks?
A listener wrote to A Moment of Science about a fascinating phenomenon she noticed when heating water for tea in a microwave oven...
Why can't we landlubbers focus underwater without goggles?
Find out which fish will survive best in your little fishbowl!
It may seem incredible that people once willingly ingested radium.
We humans are dependent on chemicals like water, air, sugars, starches, fats, proteins, as well as on small amounts of vitamins and minerals.
Adult painted turtles head underwater, where they'll spend the winter on the bottom of a lake, pond, or river but they use some tricks to survive the cold...
Water does a much better job than air of conducting sound waves, but that extra conductivity makes it harder, not easier, to tell where a sound comes from.