Articles on Heat

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Thomas Johnson drinks Gatorade at a ‘Beat the Heat’ event the company sponsored in Fort Worth, Texas, June 10, 2013. Brandon Wade/Invision for Gatorade/AP Photo

Overhydrating presents health hazards for young football players

Yes, it's hot outside. And football practice is starting for thousands of kids. But coaches and parents should be careful about tellings kids to drink more water. That has been deadly.
The warming of the outside of the ice cube happens faster than the warming of the inside, causing it to crack. Mai Lam/The Conversation NY-BD-CC

Curious Kids: Why does ice make a cracking sound when water is poured on it?

Water is one of very few chemicals that is found as a liquid, solid and gas at any time on Earth. These three states of water help explain why ice makes a cracking sound when water is poured over it.

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