Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
If you are locked in a completely sealed room, you will die of carbon dioxide poisoning first before you will die of oxygen deprivation.
117
Cold water weighs more than hot water.
93
Most dust particles in your house come from dead skin.
48
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
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