Sound travels fifteen times faster through steel than through air.
134
Scientists are now able to grow 'beating' heart tissue in a lab!
162
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Most dust particles in your house come from dead skin.
48
Iron weighs more after it rusts.
16
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The average temperature at 40,000 feet above sea level is -60 F.
56
The smell of freshly cut grass is actually a plant distress call.
31