In the 90s, patients displaying symptoms similar to, but not exactly like Parkinson's Disease left doctors scratching their heads. But when they took a look at their patients' diets, they found the culprit in the form of a popular and...

Hank tries not to stress you out too much as he delves into the functions and terminology of your sympathetic nervous system.


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Sympathetic Nervous System Controls the Bo
dy's Stress...

The energy in the universe never increases or decreases -- but it does move around a lot. Energy can be potential (like a stretched-out rubber band waiting to snap) or kinetic (like the molecules that vibrate within any substance). And...

On remote, rocky North Pacific islands, you may find a cute little bird that just so happens to smell like tangerines.

Some people have more taste buds than the rest of us. They're called supertasters, and they can taste things others can't.

The source of earth's water is something of a mystery, and some scientists are starting to think that the sun might have provided the special ingredients to help.

In this video Paul Andersen explains the difference between chemical and physical processes. Chemical processes occur when bonds are broken and reformed. Physical processes occur when intermolecular forces are broken and reformed. A...

The simplest organisms can still accomplish wonders.

Every summer it seems like there’s that one person who always gets a lot of mosquito bites. But what makes people mosquito magnets?

Dogs are humanity’s go-to friend when it comes to super sniffers, but here are 6 other creatures that give puppers a run for their money.

Traveling is extremely arduous for microscopic sperm -- think of a human trying to swim in a pool made ofother humans. We can compare the journey of a sperm to that of a sperm whale by calculating the Reynolds number, a prediction of how...

Sometimes the hairs on the back of your neck raise up when you sense that danger might be near, but what if you were also able to bulk yourself up like a muscular balloon to fend off that danger? This fish, it turns out, can do exactly...

If you've ever spent too much time in the sun and forgotten to put on sunscreen, you know how painful a sunburn can be. But for some animals, forgetting the sunscreen wouldn't be a problem because they can just produce their own!

Is there any better way to create new energy than to make it out of consumed energy sources?

Hank explains the science behind the effects of that wackiest of weeds, cannabis sativa - aka marijuana.

As organisms decompose their chemical and bacterial components can leach into the surrounding ground and water. The bodies buried in cemeteries are no exception.

Antimony is toxic to inhale, swallow and touch, but it might also save your life.

Do popsicles give you toothaches? Do you wonder why that special toothpaste makes it all better? We've got you covered!

Diseases of the body garner sympathy, says comedian Ruby Wax -- except those of the brain. Why is that? With dazzling energy and humor, Wax, diagnosed a decade ago with clinical depression, urges us to put an end to the stigma of mental...

Flappy Bird was quite the gaming craze, but what about this super simple game appealed to our brains so much?

You may have seen posts online warning you about the dangers of eating burnt toast, but how much will that actually affect your health?

Ever feel like there's a international team of bad guys changing all of the easily remembered chemical names and turning them into test-failing, number-infused, pain in the neck names? Well... you're not wrong. IUPAC exists...

Hank talks about a shiny element that has fascinated humans for millenia.

Microphones keep getting smaller and smaller, but have you ever asked what it would be like to have a bigger one in the form of a shirt? And though we tend to incorrectly think that we’re having two-way conversations with our pets, we...