The average home creates more pollution than does the average car.
33
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Aluminum used to be more valuable than gold!
84
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Out of all the senses, smell is most closely linked to memory.
146
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
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