One 75-watt bulb gives more light than three 25-watt bulbs.
57
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Iron weighs more after it rusts.
68
The smell of freshly cut grass is actually a plant distress call.
31
Brass doorknobs automatically disinfect themselves in about 8 hours.
18