Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
A cubic yard of air weighs about 2 pounds at sea level.
31
Out of all the senses, smell is most closely linked to memory.
146
Most dust particles in your house are made from dead skin!
67
Sound travels fifteen times faster through steel than through air.
134
Nearly 50% of the world's scientists are assigned to military projects.
71
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Pumice is the only rock that floats on water.
14