Your hearing is better when you are hungry.
Mosquitos are more attracted to people who have recently eaten bananas.
Earthworms can have up to 9 hearts.
Ten inches of snow equals one inch of rain in water content.
Fingerprints serve a function - they provide traction for the fingers to grasp things.
Mercury is the only metal that is liquid at room temperature.
Migrating geese fly in a "V" pattern to conserve energy. When flying, the bird's wings churn the air and leave an air current behind. By flying in a "V" pattern, each goose is positioned to get a lift from the air current left by the bird in front of him. 'V'ery clever.
Ocean water must reach a temperature of 82 degrees Fahrenheit for a hurricane to form.
Water expands 9% when it is frozen.
A cubic mile of fog is made up of less than a gallon of water.