Sitting kills you, and so does talking on your cell phone. And now, Harvard researchers are saying watching just two hours of TV a day will also kill you.

Some Canadian researchers say the drug metyrapone (pronounced "met-yr-a-pone") can stop your brain from recalling the sadness and other "negative" emotions associated with difficult memories—for example, the death of poor little Fluffy, the sweet kitten who never stood a chance.

Cheating is a "bad thing," but it isn't necessarily black and white. Here's a look at why people cheat, and why such a bad thing isn't necessarily an indicator of a bad person. [Lifehacker]

There are already many good reasons to drink alcohol, but we won't begrudge science for coming up with another: Seniors over 75 who have about a drink a day are significantly less likely to develop dementia or Alzheimer's disease.

When you hear nasty gossip about somebody, it changes the way your brain responds to that person's face. A study reveals that, given a choice, people will stare longer at the faces of people they've heard bad things about. [io9]

Black users are disproportionately represented on Twitter. And they make their presence felt daily with scores of (sometimes-cringey) "black" trending topics. Now some researchers think they know why.

Obesity is a complicated disease. It can be caused by your mom's pregnancy diet, genetics, your KFC Double Down habit, or some combination of all three. But why has the problem reached such epidemic proportions in the U.S.? Researchers at the University of Illinois think our car culture may be to blame.

A study of young Australian women found that one-third had felt sad after sex at least once, and 10 percent "frequently or almost always" had after-sex sads. Obviously, further research will be needed to make sure that it's not just because these poor women were having sex with Australians; study author Robert…

For those hoping life will begin at 40: if you're a girl, you should really try to live it up now. A new study has found that women "consider themselves old by the time they reach 29," while men don't start to feel the pinch until they're 58.

The Smithsonian has put up some 200,000 photographs of animals taken by dozens of motion-activated "camera traps" set up in around the world, and... they're kind of breathtaking. Not just in a "Ooh, animals are cool" way, either (though, come on, animals are totally cool)—in a "Wow, some of these are pretty amazing…

Oral sex is totally awesome, which means it must be bad for you in some way. And now we know how! Apparently, a rise in certain kinds of cancer may be thanks to all the oral sex everyone has nowadays.

German researchers have published a study claiming that quick naps can help the brain process and retain information. Not that you need an excuse to fall asleep at your desk every afternoon.

The journal Alcoholism: Clinical & Experimental Research concludes in a new study that eight percent of sports fans get legally drunk at games, and pre-game tailgating is the biggest contributing factor. No shit. Really? Who pays for these studies?

In a very scientific new science study, researchers found that good-looking people (somehow that was determined, scientifically) had higher IQs than Johnny Weak-Chins or Suzie Beak-Noses. So now we know for sure that hot people are inherently better, especially men.

A new study has found that smoking a cigarette can cause genetic damage within minutes—so quickly it's "equivalent to injecting [pollutants] directly into the bloodstream." But, obviously, injecting terrible chemicals directly into your bloodstream won't make you cool.

As every college student knows, there is almost nothing funnier than watching a person try to narrate her acid trips. Especially when that person is a housewife in the year 1956. As she says, "I can see all the molecules!"

New research conducted at the University of Nottingham claims that people who eat five more portions of vegetables than they normally do became tan and thereby "more attractive," by increasing "carotenoid levels giving your skin golden tones." Well okay! [BBC]

A new study by the British Heart Foundation found that in the year 2000, the average British man was 16.9 pounds heavier than in 1986. The reason? Eating lots of shitty food and getting less exercise. You don't say! [BBC]

A massive new study appears to show that a daily dosage of common antiretroviral pill called Truvada to HIV-negative patients is 90 percent effective at preventing HIV infection. Terrific news! Too bad no one knows who'll pay for it.

According to new research, dogs' brains have grown larger at a faster rate than cats' brains, apparently because dogs live in large social groups. Does this mean that dogs are smarter than cats?