The only letter not appearing on the Periodic Table is the letter "J".
180
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
4.5 pounds of sunlight strike the Earth each day.
27
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The earth is approx. 6,588,000,000,000,000,000 tons.
175
A cubic yard of air weighs about 2 pounds at sea level.
31
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17