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Articles on Curious Kids

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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.
Sneezing with your eyes closed is a reflex you can consciously override. Robert Kneschke/EyeEm via Getty Images

A pediatric nurse explains the science of sneezing

People sneeze for many reasons and in many ways. One of them is to protect your airways from irritants and infectious disease.
It can stretch your mind to ponder what’s really out there. Stijn Dijkstra/EyeEm via Getty Images

Does outer space end – or go on forever?

Astronomers know a lot about what’s in outer space – and think it’s possible it never ends.
A behavior from kittenhood persists in many adult cats. Byron Chin/flickr

Why do cats knead with their paws?

According to a veterinarian, the behavior some people call ‘kneading the dough’ or ‘making biscuits’ is a clue your cat feels comfortable around you.

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