There's a regenerative candle that creates a new candle as it melts.
20
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Sweden is so good at recycling, it has run out of garbage and now must import garbage from Norway to fuel its energy programs.
20
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In 1996, an Iraqi man named Sam Eisho moved to Australia and used the welfare system as income. Some years later, he became successful and wrote a cheque for more than $18,000 to the Australian Government (every cent they gave him).
11
Passengers on the Beijing subway can pay with plastic bottles.
29