Do hot water and cold water mix?
What's at fault?
Opera singers carry notes that seem to last forever. How do they do it?
See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.
You can measure your reaction time with just a yardstick and some help from a friend.
A bicycle, masking tape, paper, pencil, and a little curiosity are all you need to find out how the gears of a bicycle work.
In the 1870s, an American woman could not vote. She could not own property in her own name after marriage. But she could play ball. . .
By passing the winter frozen as solid as a holiday fruit cake, the wood frog breaks all rules. Scientists hoping to preserve human organs are paying close attention.
How many objects can you follow at once?
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