One 75-watt bulb gives more light than three 25-watt bulbs.
57
One ragweed plant can release as many as one billion grains of pollen!
51
The force of a suction cup is calculated using F=AP.
15
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16
Out of all the senses, smell is most closely linked to memory.
146
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Hot water can freeze faster than cold water.
181
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108