Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Out of all the senses, smell is most closely linked to memory.
146
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The smell of freshly cut grass is actually a plant distress call.
31
Scientists aren't sure what color dinosaurs were.
312
No matter how cold it gets, gasoline will not freeze.
107