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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Your brain is 80% water.
525
Out of all the senses, smell is most closely linked to memory.
146
The bark of an older redwood tree is fireproof.
65
Sound at the right vibration can bore holes through a solid object.
134