Scientists are now able to grow 'beating' heart tissue in a lab!
162
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Pure water (H2O) does not conduct electricity on its own.
46
The smell of freshly cut grass is actually a plant distress call.
31
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One cubic foot of gold weighs more than 1,200 pounds!
78
In zero gravity, a candle's flame is round and blue.
16
Research indicates that plants grow healthier when they are stroked.
173