Physical Science

Modern color theory got its start with, believe it or not, Sir Isaac Newton, who also discovered a little thing called gravity and invented calculus.

By Jesslyn Shields

Mathematician Andrew Booker has found the three cubes that add up to the number 33, a long-unsolved math problem.

By Patrick J. Kiger

Borax, a popular addition to laundry detergents and slime recipes, is a natural ingredient that has been getting flack for possibly being harmful to children. But is this true?

By Alia Hoyt

Can you name even one female mathematician? Don't worry if you can't. That just means you need to read our article on five famous female mathematicians to up your cred.

By Dave Roos

You've heard of Google, but what about a Googol? If not, then this tutorial is for you.

By Mark Mancini

Spanish researchers recently uncovered a new geometric shape that allows human tissue to curve. But how?

By Robert Lamb

Developed in Israel, this foul-smelling liquid has been used on Palestinian and Israeli protesters - and it's showing up in the United States.

By Sarah Gleim

You probably have a bottle of the stuff at your house. Have you ever seen it come in any color bottle besides brown?

By John Perritano

Something very strange is afoot above the frozen landscape of Antarctica.

By Ian O'Neill, Ph.D.

It looks completely impossible that this rock should stand, balanced as it is, but it has not moved since the last ice age.

By Jesslyn Shields

How large does a random group of people have to be for a 50 percent chance to exist that at least two of the people will share a birthday?

By Laurie L. Dove

In 1999, Hisashi Ouchi, a Japanese nuclear fuel plant worker was exposed to critical levels of radiation. He suffered the worst radiation burns in history. He lived for 83 agonizing days afterward as his body all but disintegrated.

By Patrick J. Kiger

Seven ounces a ray! No, that's a lie. Measuring the weight of light is not as straightforward as that. So what's the more complicated explanation?

By Kate Kershner & Yara Simón

Atoms: the building blocks of life and the universe. We're all made of these microscopic bits of matter, but how many does it take to make a complete human being? And exactly what kinds of atoms do we have inside us?

By Laurie L. Dove

DNA found at a crime scene doesn't automatically mean the person matching it is guilty, say researchers of new forensics guide.

By Dave Roos

When speed is everything and light marks the universe's speed limit, lasers are bound to be the answer. At least, that's what NASA and a bunch of Wall Street types are betting on.

By Nicholas Gerbis