If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
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The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The sun is 330,330 times larger than the earth.
75
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
Scientists are now able to grow 'beating' heart tissue in a lab!
162
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