Your body is pretty amazing. At any given point you have many biological processes going on -- circulatory, digestive, brain & central nervous systems and more. Learn about these body systems as well as the eye, ears, nose and throat.
Scientists Discover Your Brain Makes Fructose
What makes your heart beat?
Why Chugging a Gallon of Milk Is Nearly Impossible
Is it possible to get taller as an adult?
How Glasses Correct Colorblindness
Sugars in Human Breast Milk Act as Antibacterial Agents
Why Do We Do a Little Dance When We Have to Pee?
The Lymph System
Children Can Regrow Their Fingertips. How Cool Is That?
What is the function of the respiratory system?
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
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
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
Yep. It's tricky like that.
By Kate Kershner Feb 23, 2017
Roller coasters: They're super fun, and they could help you pass a kidney stone without medical intervention. Who knew?
By Kate Kershner Sep 27, 2016
From killer sausages to canceling crows' feet, botulinum toxin has come a long way. Botoxwurst, anyone?
By Laurie L. Dove Sep 19, 2016
Is this you? This is totally you. Why do some people burst into violent sneezing fits when they encounter bright sunlight? Check your genetics.
By Laurie L. Dove Sep 13, 2016
Careful with that chopping knife! If you lose a fingertip, it's probably gone forever. With kids, however, that's not always the case. Why is that?
By Kate Kershner Aug 18, 2016
Maybe if you look at it with only one eye -- in the dark.
By Karen Kirkpatrick Jun 30, 2016
Opioids can make your insides skid to a slow crawl. That's a problem when you consider nearly 250 million opioid prescriptions were written in 2013 by CDC estimates.
By Kate Kershner Jun 8, 2016
You always wanted to eat electricity right? Now you can, and it might even provide a health benefit.
By Robert Lamb May 20, 2016
And it's not because of all that screen time.
By Melanie Radzicki McManus Mar 7, 2016
Selfish humans act in our own self interest, but when it comes to cotton buds and ears we do exactly what science says not to. And yes, your doctor can tell.
By Laurie L. Dove Jan 27, 2016
We dig into the science and history of those delightful respiratory explosions we call sneezes, including one that's copyrighted.
By Julie Douglas Dec 9, 2015
Currently, all organs in the U.S. are donated. A report says paying $45,000 per kidney donation would end waiting lists and save taxpayer dollars.
By Dave Roos Oct 29, 2015
Scientists discover that using a feed additive can decrease cow burps by 30 percent, vastly reducing greenhouse gas.
By Dave Roos Oct 27, 2015
Does vocal fry signal the most annoying end of times? Or is it just part of a natural language progression?
By Oisin Curran
Think your peepers are passé? Some cutting-edge cosmetic procedures can take your brown eyes to bright blue — with a few inherent risks.
By Laurie L. Dove
Poetry is full of references to salty and bitter tears, but there's not much about bloody tears. Besides movie villains who weep blood, is this phenomenon real?
Tired of standing on tiptoes when you pose for a photo with friends? If you're an adult looking to add a few inches to your frame, you might be out of luck.
In some settings, you just can't heave a giant sneeze. If you hold back during a meeting or date, you're exhibiting decorum. Could you also be making a death wish?
It's hard to imagine being thankful for mucus when you've got a nose full of it, but if it all went away you'd really be in trouble.
5 Fun Facts About the Rockefeller Center Christmas Tree
Why Galaxies Come in Different Shapes
The Delectable History of Cookbooks