Iron weighs more after it rusts.
68
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
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
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Nearly 50% of the world's scientists are assigned to military projects.
71
Nylon is made from coal and petroleum.
42
One 75-watt bulb gives more light than three 25-watt bulbs.
57