One 75-watt bulb gives more light than three 25-watt bulbs.
57
German chemists made a replica of a trophy the size of one molecule.
68
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Cold water weighs more than hot water.
93
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
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
One ragweed plant can release as many as one billion grains of pollen!
51
For every gallon of sea water, you get more than a quarter pound of salt.
45