If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
A ball of glass will bounce higher than a ball made of rubber.
73
Iron weighs more after it rusts.
16
Pumice is the only rock that floats on water.
14
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10