Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Cold water weighs more than hot water.
93
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Nearly 50% of the world's scientists are assigned to military projects.
71
The smell of freshly cut grass is actually a plant distress call.
31
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3