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
Nearly 50% of the world's scientists are assigned to military projects.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The smell of freshly cut grass is actually a plant distress call.
31
Balsa wood is classified as a hard wood!
41
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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