Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
14
There are more chickens than people in the world.
325
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8
30 years ago, you could buy a lifetime, unlimited first-class travel pass with American Airlines for $250,000.
14
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14