The human brain doesn't stop developing until about 25 years old.
102
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
We share 70% of our DNA with a slug.
218
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456