Sound travels fifteen times faster through steel than through air.
134
4.5 pounds of sunlight strike the Earth each day.
27
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Scientists aren't sure what color dinosaurs were.
312
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
According to studies, men change their minds two to three times more often than women.
72
Most dust particles in your house are made from dead skin!
67