Physical Science

Physical science is the study of the physical world around you. Learn about everything from electricity to magnetism in this section.

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Autopsies have been around since ancient times, but they seem so shrouded in secrecy. What goes on when a corpse goes under the knife?

By Mark Mancini

Is it its own special type of particle? A wave that's flowing through another medium? Or is there some creepy, unknown substance surrounding us that we simply don't perceive or understand?

By Nathan Chandler

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For more than a century, the mass of a kilogram was defined by a weight stored in a French vault. But now, instead of a hunk of metal, the kilogram's mass will be tied to a mathematical equation.

By Dave Roos

You know that sound synonymous with a certain laser blaster from a galaxy far, far away? Yeah. It sounds like that.

By Mark Mancini

Why do most of us start relaxing as soon as we smell lavender or vanilla? Is it the memories they conjure up or is there a chemical reason?

By Dave Roos

The scutoid is kind of like the Higgs boson. Researchers theorized the new shape existed. And then they went looking for it.

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Sir Michael Atiyah says he has proven the Riemann Hypothesis, one of the long-unsolved problems in mathematics.

By Patrick J. Kiger

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

By Ian O'Neill, Ph.D.

Forensic linguists may never get their own TV show, but these scientists do help solve crimes in their own way.

By John Donovan

We caught up with everyone's favorite boson to see what it's been up to and exactly how it decays.

By Ian O'Neill, Ph.D.

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CERN researchers have successfully tested a new way of accelerating electrons to high energies through proton-driven plasma wakefield acceleration.

By Patrick J. Kiger

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

The Trump administration quietly changed the rules on asbestos use in the U.S. What does that mean?

By John Donovan

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

By Robert Lamb

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

By Mark Mancini

Scientists have developed a blood test that can give an approximate age of a person within an hour.

By Alia Hoyt

Scientists are using 3-D printers to make human corneas, an advancement that could end the perennial shortage of corneas from donors.

By Laurie L. Dove

Our fingerprints serve to definitively identify us forever, right? But do they? How long do fingerprints remain usable as identification after we are dead?

By Patrick J. Kiger

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Does your brain start to cramp at the thought of having to do math? Experts explain why some people have math anxiety and how they can overcome it.

By Dave Roos

Anti-aging scientist Aubrey de Grey, who does math problems for relaxation, just made major progress on the daunting Hadwiger-Nelson problem.

By Patrick J. Kiger

Scientists have a new lead on what gives some animals the ability to sense Earth's magnetic field.

By Jesslyn Shields

Listen in as the guys from Stuff They Don't Want You to Know investigate the sonic weapons "attack" in Cuba.

By Diana Brown

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English mathematician Benjamin Gompertz formulated the first natural law of the way we die.

By Jesslyn Shields

The flick, the shake and the micromort are just three of the unusual measurements that scientists use.

By Dave Roos