German chemists made a replica of a trophy the size of one molecule.
68
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
A cubic yard of air weighs about 2 pounds at sea level.
31
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
Scientists aren't sure what color dinosaurs were.
312
Nylon is made from coal and petroleum.
42