A Moment of Science
Why does stepping in a puddle of water make your feet cold for the rest of the day?
According to a climate simulation by researchers at the University of Wisconsin, a snowless world would be both warmer and colder. Here's why.
These days kids have Styrofoam to keep soup hot, but back in my day, we all had thermoses. One of their drawbacks was that since their insides were made of glass they were pretty easily broken when dropped. The popping sound they made when they broke was cool to kids, but then we weren’t the ones who had to buy a new one. Learn more on this Moment of Science.
What's as light as smoke but strong as a brick? Find out on this Moment of Science.
Surprisingly, snow makes good insulation. In physics, an insulator is a material that does not conduct heat very well, like an oven mitt.
The main difference between hair and fur is where it grows, not what it’s made of. Hair length is a trait that’s specific both to you as an individual, and to your species.
The large ones we see when a bird stretches its wings are “flight feathers,” but they also have fluffy ones called “down feathers.”
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