Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
No matter how cold it gets, gasoline will not freeze.
107
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
A cubic yard of air weighs about 2 pounds at sea level.
31
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
Your brain is 80% water.
525
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310