What causes bad breath? - Mel Rosenberg

What causes bad breath? – Mel Rosenberg

There is a curse that has plagued humanity since ancient times. The Greeks fought it by chewing aromatic resins, while the Chinese resorted to egg shells. In the ancient Jewish...

The effects of underwater pressure on the body - Neosha S Kashef

The effects of underwater pressure on the body – Neosha S Kashef

Sometimes when a fish is reeled up to the surface it will appear inflated, with its eyes bulging out of their sockets and its stomach projecting out of its mouth,...

Eye vs. camera - Michael Mauser

Eye vs. camera – Michael Mauser

Watch the center of this disk. You are getting sleepy. No, just kidding. I’m not going to hypnotize you. But are you starting to see colors in the rings? If...

How brass instruments work - Al Cannon

How brass instruments work – Al Cannon

What gives the trumpet its clarion ring and the tuba its gut-shaking “omm pah pah?” And what makes the trombone so jazzy? The answer lies not in the brass these...

What's the difference between accuracy and precision? - Matt Anticole

What’s the difference between accuracy and precision? – Matt Anticole

As the story goes, the legendary marksman William Tell was forced into a cruel challenge by a corrupt lord. William’s son was to be executed unless William could shoot an...

Why is biodiversity so important? - Kim Preshoff

Why is biodiversity so important? – Kim Preshoff

Our planet’s diverse thriving ecosystems may seem like permanent fixtures, but they’re actually vulnerable to collapse. Jungles can become deserts, and reefs can become lifeless rocks, even without cataclysmic events,...

What really happens to the plastic you throw away - Emma Bryce

What really happens to the plastic you throw away – Emma Bryce

This is the story of three plastic bottles, empty and discarded. Their journeys are about to diverge with outcomes that impact nothing less than the fate of the planet. But...

How to unboil an egg - Eleanor Nelsen

How to unboil an egg – Eleanor Nelsen

It’s so obvious that it’s practically proverbial. You can’t unboil an egg. Well, it turns out you can, sort of. What thermal energy does to the eggs’ molecules, mechanical energy...

Could your brain repair itself? - Ralitsa Petrova

Could your brain repair itself? – Ralitsa Petrova

Imagine the brain could reboot, updating its withered and damaged cells with new, improved units. That may sound like science fiction, but it’s a potential reality scientists are investigating right...

Why neutrinos matter - Sílvia Bravo Gallart

Why neutrinos matter – Sílvia Bravo Gallart

They’re everywhere, but you will never see one. Trillions of them are flying through you right this second, but you can’t feel them. These ghost particles are called neutrinos and...

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