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Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Cyanide works by making the human body unable to use oxygen.
Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.