Tim Cahill

I have no problem with the adventure travel movement. It makes better, more sensitive people. If you get people diving on a coral reef, they're going to become more respectful of the outdoors and more concerned with the threats that places like that face and they're going to care more about protecting them than they would have before.

You've probably heard the stories about how io9 got its name. And maybe you know that io9 co-founder Charlie Jane Anders and I were inspired by Kathy Keeton, whose groundbreaking magazine 'Omni' combined coverage of real science with science fiction. But what you probably don't know is how unlikely it was that io9 ever succeeded at all.

The price of diamonds can vary greatly depending on size, cut, color, and other factors, including whether they have a history. But because of the rarity of blue boron diamonds, they often fetch more money than gems of similar quality.