One 75-watt bulb gives more light than three 25-watt bulbs.
57
Iron weighs more after it rusts.
68
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
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
A 'jiffy' is an actual unit of time for 1/100th of a second!
66