Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Each day, up to 150 species of life become extinct.
-23
Billions of neutrinos pass unnoticed through your body every second.
6
Sound travels about 4 times faster in water than in air.
408
Scientists aren't sure what color dinosaurs were.
312
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15