What Happens in Your Body During a "Cleanse" or "Detox"

Juice cleanses, colon cleanses, fruit detoxes, sugar detoxes—we've all seen these things, but do they actually work? What are they supposed to do? Let's take a look at the science behind the fad. » 12/11/14 8:00am 12/11/14 8:00am

Proof That More Metal Music Videos Should Star Dancing Tarantulas

What is the perfect visual companion to the twanging and screaming of sludge metal band The Body's track The Empty Hearth? How about the twitching dances of a few large and hairy spiders? » 9/04/14 9:40am 9/04/14 9:40am

Eight Stubborn Alcohol Myths, Debunked by Science

The act of drinking alcohol is surrounded by myths. Whether it's the idea you can trick breathalyzers or the suggestion that caffeine sobers you up, let's debunk some of these misconceptions so we can actually enjoy our drinks. » 6/12/14 8:00am 6/12/14 8:00am

What Is Cholesterol and Why Should I Care About It?

Dear Lifehacker,
I don't know much about cholesterol, other than it's in foods and I don't want high levels of it in my body. But what is it, exactly? What does it do and why do I need to care about it? » 12/03/13 10:00am 12/03/13 10:00am

Terminator, The Queen Borg In The Shell Chronicles

Terminator: The Sarah Connor Chronicles starts its two-night premiere next Sunday, and you may have seen some of the new posters promoting the show, including with one with a topless (and bottomless) Summer Glau hanging from cables with all of her, uh... cybernetics exposed. But it turns out the old android babe with… » 1/07/08 8:40am 1/07/08 8:40am