Scientists aren't sure what color dinosaurs were.
312
Iron weighs more after it rusts.
16
Balsa wood is classified as a hard wood!
41
Billions of neutrinos pass unnoticed through your body every second.
6
One barrel of petroleum holds 42 gallons.
20
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101