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Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
Earth’s history is divided into nested sets of time--eons, eras, periods, and epochs--and is called
In 1839 Mary Cragin, at the age of twenty-nine, became a convert to John Humphrey Noyes’s “communism
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ...
A thin cleft, called the synapse, separates one cell from another.