A ball of glass will bounce higher than a ball made of rubber.
73
Scientists aren't sure what color dinosaurs were.
312
Iron weighs more after it rusts.
68
Billions of neutrinos pass unnoticed through your body every second.
6
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Research indicates that plants grow healthier when they are stroked.
173
According to studies, men change their minds two to three times more often than women.
72
One 75-watt bulb gives more light than three 25-watt bulbs.
57