GREAT LAKES OF TITAN | The methane lakes of Titan, which a robotic boat could one day explore. More details here.

Meet the hexaflexagon. It's about to blow your mind.

Remember the first time you saw a Möbius strip (the ring-shaped surface with only one side) and it felt like your world had been turned upside down? More »

I Paid Strangers $50 To Tie Me Up And Scare The Shit Out Of Me

I slowly make my way down a hallway lit only by the glow of a few TVs strewn about the floor. As I creep forward, so does a figure on the screens. The footage is a live feed of myself projected onto each television. More »

Here are the fifteen professions that drink the most coffee. Guess who's number one.

In 2011, Dunkin' Donuts teamed up with CareerBuilder to shed some light on U.S. coffee consumption in the workplace. After polling 4,700 American workers, they concluded that "some professionals need coffee more than others." More »

27 Of The Most Insane Martial Arts Battles Ever Filmed

We here at io9 love a good mind-melting martial arts battle between ninjas, kung fu masters, or two perplexed extras who have no self-defense training whatsoever. More »

The Unintended Consequences Of China's One-child Policy

It has been 34 years since the People's Republic of China introduced their one-child policy, a population control measure that restricts the reproductive practices of married couples. More »

Sluttiest and Weirdest Store-Bought Halloween Costumes for 2012

It's almost Halloween - the time of year when the whole world does cosplay. Every year, the Halloween superstores roll out their new line of costumes that are vaguely reminiscent of the year's hit movies and television shows. More »

This is what a gun firing underwater looks like

Firearms blogger Andrew Tuohy fired a few rounds from his M1911 pistol underwater to expand his bullets and snagged photos of the process. Here, we can witness the explosive power that erupts from the barrel of a gun as it pushes through liquid. More »

What Battlestar Galactica Gets Right (and Wrong) About Space Warfare

We loved Battlestar Galactica's nuanced approach to foreign affairs, wartime politics, and classicism, but how likely is it that its portrayal of a futuristic aircraft carrier will translate into our spacefaring military future? More »

Why HIV is More Evil Than We Could Have Imagined

A devastating Salmonella epidemic is ravaging parts of sub-Saharan Africa right now - and it appears that HIV gave this rapidly evolving form of Salmonella a major boost. More »

6 mysteries that could be solved with time travel

Time travel has long been used, in fiction, as a method of correcting past wrongs or stealing past riches. This usually leads to trouble. But what if all time travelers recovered from the past was scientific knowledge? More »

10 Most Inexplicably Tiny Outfits in Science Fiction History

When you boldly venture into the unknown, you have to show some skin to prove your total bravery. So skimpy, ultra-revealing outfits are a major part of science fiction in film and television, and the genre world would be nothing without these inexplicably tiny outfits. More »

An 11 year-old boy has discovered one of the most exquisitely preserved wooly mammoths ever

Russian media outlets are reporting that an 11 year-old boy named Yevgeny Salinder has uncovered the remains of a wooly mammoth that died about 30,000 years ago. More »

The ‘Banned Books' list is a hilariously depressing history of people missing the point

Educators thought Orwell's 1984 was promoting Communism. They thought Huxley's Brave New World made promiscuous sex "look like fun," and the book is "centered around negative activity." They thought the point of Vonnegut's Slaughterhouse-5 was to promote "deviant sexual behavior." More »

What do fruits and vegetables look like inside an MRI? Short answer: "Whoa."

Over at the blog Inside Insides, Andy Ellison of Boston University Medical School has been throwing the entire produce aisle inside a Philips 3 Tesla MRI, revealing the otherworldly realms that dwell inside common foods. More »

Not so fast - what's so "premature" about premature ejaculation?

It occurred to me recently, under conditions that I leave to your ample and likely sordid imagination (how dare you), that the very concept of "premature ejaculation" in human males is a strange one, at least from an evolutionary theoretical perspective. More »