Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
One cubic foot of gold weighs more than 1,200 pounds!
78
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Billions of neutrinos pass unnoticed through your body every second.
6
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
The average home creates more pollution than does the average car.
33
Scientists are now able to grow 'beating' heart tissue in a lab!
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