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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
Did you know?
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
Medication errors are three times higher among children and infants than with adults.

