Nearly 50% of the world's scientists are assigned to military projects.
71
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
A ball of glass will bounce higher than a ball made of rubber.
73
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
The left ear is more responsive to words of love and emotion whispered into it than the right.
40