Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
According to studies, men change their minds two to three times more often than women.
72
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Pure water (H2O) does not conduct electricity on its own.
46
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21