The average home creates more pollution than does the average car.
33
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Nearly 50% of the world's scientists are assigned to military projects.
71
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Diamonds can be shattered with a hammer.
-104
Sound travels about 4 times faster in water than in air.
408