How Do Fossils Form?
first bird fossil
September 21st, 2015
Even plants and animals like to leave a good impression.
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Why Is the Sky Blue?
June 9th, 2014
Why is the sky blue? The light coming from the sun is made of many colors, each of which has a different wavelength.
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What Are Sweetbreads?
May 12th, 2014
Contrary to what their name would suggest, sweetbreads are not sugary pastries. So, what are sweetbreads?
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Why Are Some Glaciers Blue?
sea ice
May 30th, 2015
Blue-ice areas are patches of ice where wind and evaporation have scoured glaciers clean of snow.
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What Is Buttermilk?
May 14th, 2014
Today, on National Buttermilk Biscuit Day (May 14), a lot of people may be wondering, what exactly is buttermilk?
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What Do Turtles Eat?
Hatchling loggerhead sea turtle
May 12th, 2014
Turtles, like the humans who love them, are a diverse bunch. There are over 300 species of this ancient reptile, and each one has its own preferred diet.
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What Is Kosher Food?
April 29th, 2014
Kosher food is not a style of cooking or a cultural menu (like Chinese or Italian food). Instead, "kosher" refers to foods that adhere to the dietary laws of Judaism, also called kashrut, as described in the Torah.
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Why Do People Keep Their Accents?
father and daughter
September 8th, 2014
Most infants begin learning a spoken language from the moment they're born. But as the brain becomes less flexible with age, it's difficult for children to master the sounds and intonation of a second language.
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How Do Tornadoes Form?
May 12th, 2014
Tornadoes are one of the most destructive natural forces on Earth. Though scientists don't entirely understand how tornadoes form, they do have a good idea about the conditions that cause tornadoes to develop.
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Why Does Coffee Make You Poop?
coffee, cup of coffee, coffee mug
May 8th, 2014
It's proven that the caffeine in coffee stimulates the brain, but there's something in a cup of joe that can also jump-start the other end of the body. That's right: Coffee can make you poop.
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