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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.