This is the least dense gold nugget in the entire world. It can be held up with a feather, float on top of coffee froth and rest on a flower's petals. It’s supported by a space-age material often dubbed “frozen smoke”, but we know it as aerogel. Read more >>
A study by Arizona State University (ASU) researchers estimates there is £8.57 million worth of precious elements in the sewage produced by a million-person city every year. Never think of sewage as stinky worthless waste again.
Forget buying the Porsche or the Ferrari, blowing your life's savings on a bike is the new mid-life crisis milestone. Hence this, the £250k gold-plated road bike for the man who has everything except a gold bike.
How much gold would you have if you stole every bit that's ever been mined? Not much—you'd be able to make a cube of solid gold with 60-foot sides. There just isn't that much gold in the world, and it's getting harder and harder to find it. In fact, our love of gadgets may be part of the problem.