Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
4.5 pounds of sunlight strike the Earth each day.
27
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
Most dust particles in your house come from dead skin.
48
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
