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.
5 Things You Didn’t Know About Your Belly Button
New Human Highway 'Organ' Identified
Do Blue Light-blocking Glasses Even Work?
Every Coffee Drinker Is Unique
Blue light-blocking glasses are super popular these days. But do they even work the way marketers promise?
By John Perritano Jun 18, 2018
What's behind the fact that you can drink three cups of coffee and still feel sleepy while your coworker feels jittery after one cup? Our bodies all process caffeine differently. Here's why.
By Laurie L. Dove Jun 18, 2018
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.
By Christopher Hassiotis May 18, 2018
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.
By Dave Roos May 7, 2018
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.
By Dave Roos May 1, 2018
Enter the Fartonomicon with the guys from Stuff to Blow Your Mind. You're guaranteed to have a gas.
By Robert Lamb Apr 18, 2018
The discovery of a new interstitial "organ" may explain how cancers metastasize, how acupuncture works.
By Stell Simonton Apr 11, 2018
You had LASIK surgery a few years ago, and your vision has started to blur again. Is this normal?
By Nathan Chandler Apr 5, 2018
Hamstrings are a group of three muscles running down the back of the thigh, and they have a lot to do with your flexibility.
By Melanie Radzicki McManus Apr 4, 2018
Diplomatic staffers in Havana, Cuba, recently began to suffer from a series of health problems. Were they sound-related?
By Patrick J. Kiger Mar 15, 2018
Holding hands can help regulate responses to stress, increasing trust and emotional well-being.
By Shelley Danzy Mar 14, 2018
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.
By Alia Hoyt Mar 12, 2018
Thermal imaging shows that as a person engages in intense mental tasks, their face, and in particular the area around the nose, becomes cooler.
By Amanda Onion Mar 7, 2018
The human system for excretion is actually pretty great, especially when you start looking at what other animals have.
By Robert Lamb Feb 12, 2018
In case you needed one.
By Robert Lamb Jan 16, 2018
Does it just taste bad or are there other reasons?
By John Perritano Jan 3, 2018
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.
By Alia Hoyt Dec 12, 2017
When we've really got to urinate, kids and adults alike do the pee-pee dance. What are the theories behind the fidgeting?
By Jesslyn Shields Nov 16, 2017
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.
By Alia Hoyt Oct 16, 2017
New research finds that nontoxic, antibacterial sugars found in human breast milk might be key to the next generation of antimicrobial drugs.
By Jesslyn Shields Aug 28, 2017
The Jamaican sprinter has a uniquely uneven gait. Is he the fastest man alive because of, or despite, this asymmetry?
By Patrick J. Kiger Aug 2, 2017
If you find yourself running to the bathroom the minute you get home, experts posit this is a case of mind over bladder.
By Alia Hoyt Jun 27, 2017
Colorblindness affects around 300 million people worldwide. What is it and how can glasses help?
By Melanie Radzicki McManus Jun 14, 2017
Although we've often been told that dogs have a superior sense of smell to people, a new report says there's little difference.
By Alia Hoyt May 31, 2017
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?
By Samantha Sestanovich Apr 20, 2017
Predictive Programming, or When Movies 'Predict' Real Events
Most Abundant Man-made Material Is Cutting Its Carbon Footprint
A Controversial Female Libido Enhancer is Reborn