What Happens to Bacteria in Space?

In the otherwise barren space 220 miles above Earth's surface, a capsule of life-sustaining oxygen and water orbits at 17,000 miles per hour. You might know this capsule as the International Space Station (ISS), currently home to six humans—and untold billions of bacteria. Microbes have always followed us to the… » 4/10/14 11:00am 4/10/14 11:00am

This Amazing Flexible Heart Cover Could Replace Pacemakers For Good

This amazing 3D piece of silicone dotted with electronics looks like something out of the future—because it is. In fact, this potential pacemaker replacement fits over the human heart and is capable of monitoring and, soon, responding to, its vital signs. » 3/25/14 10:00pm 3/25/14 10:00pm

Five Pieces of Sleep Science You Need to Know

Today is World Sleep Day, designed to make us all celebrate sleep and, presumably, try to get a little bit more of it. But even if you can't catch more shuteye than usual, here are the five most important things you need to know in order to make the resting hours you do get count. » 3/14/14 11:20am 3/14/14 11:20am

Why Toothpaste Makes Things Taste So Awful

You may think it might be the common mint flavor of toothpaste clashing with other flavors, but in the case of orange juice and many other things, this isn't actually what's going on. The culprit here is thought to be two compounds almost universally added to toothpastes -sodium lauryl sulfate and sodium lauryl ether… » 3/11/14 6:00am 3/11/14 6:00am

Is Eating Your Boogers Good for You?

Does physically taking boogers out of your nose, putting them in your mouth and swallowing boost your immune system? The short answer is probably not. You ingest your snot all the time without needing to channel it through your mouth. So if there is a benefit here, you get it without needing to munch your nose nuggets. » 3/07/14 10:00am 3/07/14 10:00am

What a 30,000-Year-Old Giant Zombie Virus Means For the Future

A monster virus comes back from ancient times to wreak havoc on mankind. That may sound like a blurb from a science fiction novel, but as scientists have known for some time, it's not at all impossible. And thanks to the recent revival of a 30,000-year-old giant virus in Siberia, there's increasing concern that it… » 3/04/14 2:00pm 3/04/14 2:00pm