The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
One ragweed plant can release as many as one billion grains of pollen!
51
Billions of neutrinos pass unnoticed through your body every second.
6
Most dust particles in your house are made from dead skin!
67
Nylon is made from coal and petroleum.
42
Aluminum used to be more valuable than gold!
84
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75