Your faithful friend's view of the world is different than yours, but maybe not in the way you imagine.

If gravity was half as strong, you could jump much higher.

Physicists can use bright, hot lasers to slow atoms down so much that they measure -459 degrees Fahrenheit.

Australia is home to 20 of the 25 most venomous snakes in the world.

Mmmmmmm. That smells delicious. Wait, how do you know that?

You might have already felt what it would be like inside a cloud made of condensed water vapor.

Epidemiologists focus on diseases among groups of people. They also study the spread of disease among animals.

Wind travels all over the world. Where does it come from, and why?

One anthropologist found 1,072 similar words for 'mom' and 'dad' in the world's languages. It turns out a mix of biology, culture and encouragement from parents explains this phenomenon.

The movies make it seem like someday we'll be able to make people and objects grow really big or shrink really small. Whether this will be possible comes down to the smallest of things.