4.5 pounds of sunlight strike the Earth each day.
27
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
One 75-watt bulb gives more light than three 25-watt bulbs.
57
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
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
Diamonds can be shattered with a hammer.
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