Sound travels about 4 times faster in water than in air.
408
Iron weighs more after it rusts.
16
Each day, up to 150 species of life become extinct.
-23
A ball of glass will bounce higher than a ball made of rubber.
73
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
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
Pure water (H2O) does not conduct electricity on its own.
46
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17