This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.
Did you know?
Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.
The structure of a typical flower.
Why the Poor Need Children
A typical engine design that uses both pressure and splash lubrication. Oil travels under pressure ...
Typical life cycle of the tick family.
Structures of a few typical eukaryotic promoters
Early growth of the common bean (Phaseolus vulgaris), a typical eudicot.