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Articles on Curious Kids

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Your teeth will be better off if you refrain from chomping on ice cubes. Credit: Laurence Monneret/The Image Bank via Getty Images

Is chewing on ice cubes bad for your teeth?

A dentist explains why this is a habit worth breaking – no matter the cause or the strength of your cravings to keep doing it.
The collective memory of school desegregation is of anger and division, like in this photo of 15-year-old Elizabeth Eckford walking away from a crowd outside a high school in Little Rock, Ark. Bettmann via Getty Images

How did white students respond to school integration after Brown v. Board of Education?

Americans’ collective memory of school desegregation involves crowds of screaming white protesters. But less well known are the whites who stood by quietly, and those who approved of the changes.
Astronomers have found a way to estimate the number of stars in the universe. Comstock Images via Getty Images

How many stars are there in space?

Scientists have a good estimate on the staggering number of stars in the universe.
That pins-and-needles feeling can come from sitting in the same position for a while. Westend61 via Getty Images

What happens when your foot falls asleep?

An exercise physiologist explains how it’s a problem of communication between your brain and your body.
The Earth is round. Alistair Berg/DigitalVision via Getty Images

Why are planets round?

Gravity, mass and centrifugal force all contribute to the final shape of a planet.
Tyrannosaurus rex was a relentless predator who lived during the Cretaceous Period more than 65 million years ago. Roger Harris/Science Photo Library via Getty Images

Is it possible to recreate dinosaurs from their DNA?

Ever since moviegoers saw the first ‘Jurassic Park,’ millions have wondered if scientists could make a dinosaur in the lab.
The planet and the way we live on it are constantly changing. Buena Vista Images via Getty Images

What will the Earth be like in 500 years?

The Earth is constantly changing in natural ways, but most of those changes are very slow. Humans are speeding up other changes with global warming.
Gravity feels like it’s pulling everything toward Earth, but why? AdventurePhoto/E+ via WikimediaCommons

Why does gravity pull us down and not up?

Gravity is something every person on Earth intuitively understands: It is what keeps you on the ground. But how come gravity pulls down, rather than pushes up? Einstein came up with the answer.
Whether big or small, if you see something that people need, you can start a company. Tony Anderson/Stone via Getty Images

How do you start your own company?

There are five basic things to address while starting your own company: Need, idea, product, setup and market.

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