One ragweed plant can release as many as one billion grains of pollen!
51
One 75-watt bulb gives more light than three 25-watt bulbs.
57
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
If the chemical sodium is dropped into water it will immediately and violently explode.
67
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
The force of a suction cup is calculated using F=AP.
15
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13