Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Sound travels fifteen times faster through steel than through air.
134
Iron weighs more after it rusts.
68
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
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
German chemists made a replica of a trophy the size of one molecule.
68