When the sun first rises in the morning it doesn't get warmer right away, but actually feels colder. Learn more on this Moment of Science.
As you fill a flat tire from your hand pump, you notice parts of the pump getting hot. Why would the pump get hot with all that cool air flowing through it?
Say you're walking down a city street, minding your own business, when you approach a manhole...
Are you familiar with shape memory alloy? There's no actual memory involved, at least not in computer or human terms.
What's six times lighter than steel but up to 250 times stronger?
Doesn't heat rise and aren't mountaintops often damp and cold? Learn more on this Moment of Science.
Robert Frost once wrote a poem about coming across an old woodpile in the forest. In describing it he refers to the “slow, smokeless burning of decay.” What a great line of poetry. Neat part about it is, it’s also technically correct. Decay is an extremely slow burning process. Or, you could say, fire is an extremely fast decaying process. In either case, what you have is the combination of carbon, oxygen, and hydrogen. Learn more on this Moment of Science.
Have you ever seen a hairy plant? Plants may appear to have hair, but the technical term for plant hair is trichomes. These trichomes may resemble hair, but they’re not the same as what we mammals have. Learn more on this Moment of Science.