Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Your brain is 80% water.
525
Pure water (H2O) does not conduct electricity on its own.
46
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Indoor pollution is 10 times more toxic than outdoor pollution.
62
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5