Did you know? 

• You can't taste food without saliva. 

• It's possible to get sick or even die from drinking too much water

• Liquid oxygen is blue.

• Lemons contain more sugar than strawberries, for the same mass.

• Some lipstick contains lead acetate or sugar of lead. This toxic lead compound makes the lipstick taste  sweet.

• Lobster blood is colorless until it is exposed to air. Then the blood appears blue.

• Goldfish eyes perceive not only the visible spectrum, but also infrared and ultraviolet light.

• Fresh egg will sink in fresh water. A stale egg will float.

• It's possible for hot water to freeze more quickly than cold water.

• You've lost about 1% of your body's water by the time you feel thirsty.

• Pearls, bones and teeth will dissolve in vinegar, which contains weak acetic acid.

• The hardest chemical in your body is your tooth enamel.

• Frogs don't need to drink water since they can absorb it through their skin. Humans, on the other hand, have waterproofing proteins in their skin to help prevent water loss.

• About 78% of the average human brain consists of water.

• If you exposed a glass of water to space, it would boil rather than freeze. However, the water vapor would crystallize into ice afterward.

• You can extend the life of rubberbands by storing them in the refrigerator.