How Much Spit Does A Person Produce?

Our salivary glands, which are located on the inside of each cheek, at the bottom of the mouth and under the jaw at the front of the mouth, churn out about 2 to 4 pints (1 to 2 liters) of spit every day. The mere mention or aroma...

Charger Kills Bacteria On Your Filthy Phone

Smartphones have become vile breeding grounds for bacteria and viruses far worse than anything living on your toilet seat. Luckily, the new "PhoneSoap" device offers to sterilize invisible scum with ultraviolet light while simultaneously charging your phone. Such microscopic threats can easily multiply to make...

Life Thrives At Active Underwater Volcano

An active underwater volcano near Guam has become a hotspot for a booming population of ocean critters, despite continuous eruptions at the site. The volcano is so active that it has recently built a new cone that reaches 131 feet high and extends to 984...

Skunk's First Line Of Defense Is Black And White

A skunk doesn't even have to stink to ward off predators. Just their shape and distinct black-and-white coloration does the trick, a new study finds. Scientists had suspected as much, but UC Davis wildlife researcher Jennifer Hunter proved it out. Hunter prepared taxidermy mounts of...

The Downside To Virginity Pledges

Young people who make pledges of virginity begin having sex later and have fewer sexual partners. But oddly they are infected with sexually transmitted diseases (STDs) just as often, a new study found. One reason is that they are less likely to use condoms when...

Why Women Choose Bad Boys

Women choose bad boys because their hormones make them, new research suggests. When ovulating a woman's hormones influence who she sees as good potential fathers, and they specifically pick sexier men over obviously more dependable men. "Previous research has shown in the week near ovulation...

Some People Never Forget A Face

Some people claim to never forget a face. And the ability can prove to be socially awkward. A new study finds some people can remember faces of people they met years ago and only in passing. Others of us, of course, aren't blessed with that...

What Happens When An Astronaut Sneezes?

Best to do the sneezing inside a shuttle or the space station, not on a spacewalk, when it can get real messy, with goo sprayed all over the inside of the helmet's "windshield." Lately astronauts have been complaining about stuffy heads up there on the...