Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Aluminum used to be more valuable than gold!
84
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
According to studies, men change their minds two to three times more often than women.
72
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21