A Moment of Science
In the 1850s, the height of buildings was limited by the number of stairs people were willing to climb... until Otis came along.
I know that humans and chimps share something like 98 percent of our DNA. But what does this really mean?
For billions of years, the Earth's only natural satellite has been bombarded with asteroids. Surely, it's been the target of space rocks in the past.
I find it interesting that many animals, like sheep, zebras, fish, and birds, tend to congregate and move around in flocks. What's the science behind flocking?
You've heard about comets and asteroids in space. What is the different?
Scientists have developed flexible, transparent solar cells that can be applied to windows, electronic devices, and really any surface!
Drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work?
Horns and antlers have some important things in common.
It's impossible for hair to completely change color overnight. Learn more on this Moment of Science.
A chemical commonly used for this is called mercaptin. The process of adding the stink is called stenching.
All those little bubbles are popping on my tongue, and it makes that fizzy tingling you feel.
How do they keep the chips so fresh and crisp inside those plastic bags?
Today's Moment of Science is all about the role that glaciers play in giving those chilly lakes such incredible turquoise colors.
Scientists have found another reason why modern tomatoes have little or no taste. It's in their genes.
Would you want to be a biomimic?
Can the Mississippi River change direction?
Today's program explores how concrete foundations set underwater.
Chow down salty chips or pretzels, and soon you'll be guzzling your favorite drink. But snacking on sugary foods makes you thirsty, too.
Did you know that there could be more bacteria living in your mouth than there are people on earth?
It's no surprise that being lonely can lead to depression and other health problems. But what else do researchers know?
Ravens are definitely tops when it comes to brain size. And now scientists believe they use objects to get attention.
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