One 75-watt bulb gives more light than three 25-watt bulbs.
57
According to studies, men change their minds two to three times more often than women.
72
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
A ball of glass will bounce higher than a ball made of rubber.
73
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Pure water (H2O) does not conduct electricity on its own.
46