Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
In 2012, as phone booths become increasingly obsolete because of mobile phones, a Japanese artist has turned several booths in Osaka into aquariums.
7
The North Atlantic gets 2.5 centimetres (1in) wider every year.
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Real diamonds do not show up on x-ray.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
A man earned 4 million airline miles for free without breaking any laws by using his credit card to purchase free-delivery $1 coins from the U.S. mint.
11
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
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