0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
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One cubic foot of gold weighs more than 1,200 pounds!
78
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21