Nearly 50% of the world's scientists are assigned to military projects.
71
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Each day, up to 150 species of life become extinct.
-23
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Iron weighs more after it rusts.
68
Scientists aren't sure what color dinosaurs were.
312
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5