The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
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
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Hot water can freeze faster than cold water.
181
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20