The bark of an older redwood tree is fireproof.
65
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
A cesium atom in an atomic clock beats over nine billion times a second.
43
Your brain is 80% water.
525
The smell of freshly cut grass is actually a plant distress call.
31
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42