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
In zero gravity, a candle's flame is round and blue.
16
The only letter not appearing on the Periodic Table is the letter "J".
180
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Pure water (H2O) does not conduct electricity on its own.
46