Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Hot water can freeze faster than cold water.
181
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
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
Liquid TIDE laundry detergent glows under a blacklight.
96
Sound travels about 4 times faster in water than in air.
408