One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Pure water (H2O) does not conduct electricity on its own.
46
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Nearly 50% of the world's scientists are assigned to military projects.
71
According to studies, men change their minds two to three times more often than women.
72
Hot water can freeze faster than cold water.
181
Out of all the senses, smell is most closely linked to memory.
146
Balsa wood is classified as a hard wood!
41