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Laparoscopy. A lighted endoscope specialized for insertion into the abdomen, called a laparoscope, i
Charles Darwin may be dead and gone but a recent write-in campaign has pitted him against Republican
Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
Herbert Spencer (1820–1903), sometimes called the second founder of sociology, coined the term ...
Detonation is a secondary ignition of the air–fuel mixture. It is also called spark knock or ...
A Gaucher cell showing accumulated fat stored in structures called lysosomes