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
Cold water weighs more than hot water.
93
The force of a suction cup is calculated using F=AP.
15
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79