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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.
Did you know?
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
Did you know?
Thyroid conditions may make getting pregnant impossible.
Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
The average adult has about 21 square feet of skin.