Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Out of all the senses, smell is most closely linked to memory.
146
According to studies, men change their minds two to three times more often than women.
72
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Billions of neutrinos pass unnoticed through your body every second.
6
The average home creates more pollution than does the average car.
33
Nylon is made from coal and petroleum.
42