Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
German chemists made a replica of a trophy the size of one molecule.
68
Pure water (H2O) does not conduct electricity on its own.
46
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
For every gallon of sea water, you get more than a quarter pound of salt.
45
The smell of freshly cut grass is actually a plant distress call.
31