Human Body

The human body is an amazing structure made up of many fascinating parts and systems. Learn about the human body and how its systems work together.

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The Man Whose Blood Saved More Than 2 Million Babies

James Harrison's blood contains a rare and powerful antibody that's saved millions of Australian babies. Now, at age 81, after donating 1,173 times, he's hoping someone else will pick up where he left off.

5 Things You Didn’t Know About Your Belly Button

Whether you have an innie, an outie, or none at all (you'll have to read the article to find out how that's possible), we've got you covered.

This Year's Must-have for Music Festival Season: Ear Plugs

Music festivals are a blast, but research shows they can also be a bummer for your ears. One study even says that alcohol, coupled with loud music, can make the hearing loss worse.

A Compendium of Fart Facts, Plus One Gaseous Podcast

Enter the Fartonomicon with the guys from Stuff to Blow Your Mind. You're guaranteed to have a gas.

New Human Highway 'Organ' Identified

The discovery of a new interstitial "organ" may explain how cancers metastasize, how acupuncture works.

How Long Does LASIK Last?

You had LASIK surgery a few years ago, and your vision has started to blur again. Is this normal?

Take Care of Those Hammies

Hamstrings are a group of three muscles running down the back of the thigh, and they have a lot to do with your flexibility.

When Sound Makes You Sick

Diplomatic staffers in Havana, Cuba, recently began to suffer from a series of health problems. Were they sound-related?

Holding Hands Can Ease Pain

Holding hands can help regulate responses to stress, increasing trust and emotional well-being.

What Happens If You Don't Poop for 47 Days?

What would happen if you didn't (or couldn't) move your bowels for several weeks? Let's just say you'd be in a crappy situation.

Concentration Makes the Face Grow Cooler

Thermal imaging shows that as a person engages in intense mental tasks, their face, and in particular the area around the nose, becomes cooler.

Pooping: Not All Animals Are Created Equal

The human system for excretion is actually pretty great, especially when you start looking at what other animals have.

Many Animals Eat Grass So Why Don't Humans?

Does it just taste bad or are there other reasons?

'Man Flu' Could Be a Real Thing

Although women often think men exaggerate their symptoms when they have a cold or flu, a Canadian scientist has found that men are more susceptible to respiratory complications than women.

Quiz: Do You Know Where Body Parts, Like the Spleen, Are Located?

A study asked participants to determine where a number of body parts such as the spleen, liver and thyroid were located in the human body. The only part everyone got correctly was the brain. Think you can do better? Take this quiz and find out!

Why Do We Do a Little Dance When We Have to Pee?

When we've really got to urinate, kids and adults alike do the pee-pee dance. What are the theories behind the fidgeting?

Surprise, Your Pinky Toe Does Serve a Purpose

No. 5 may seem like it's just hanging out there, but if you've ever injured it, you may have discovered how important it is for walking.

Sugars in Human Breast Milk Act as Antibacterial Agents

New research finds that nontoxic, antibacterial sugars found in human breast milk might be key to the next generation of antimicrobial drugs.

Scientists Discover Something Mind-blowing About How Usain Bolt Runs

The Jamaican sprinter has a uniquely uneven gait. Is he the fastest man alive because of, or despite, this asymmetry?

Do You Turn the Door Key and Have to Pee? It May Be All in Your Brain

If you find yourself running to the bathroom the minute you get home, experts posit this is a case of mind over bladder.

How Glasses Correct Colorblindness

Colorblindness affects around 300 million people worldwide. What is it and how can glasses help?

A Human's Sense of Smell Is Actually as Good as a Dog's

Although we've often been told that dogs have a superior sense of smell to people, a new report says there's little difference.

Why Chugging a Gallon of Milk Is Nearly Impossible

Plenty of theories exist for why drinking an entire gallon of milk in one sitting is a challenge often undertaken, infrequently accomplished. Who's right?


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