Click to open image viewer. Apollo 13, the third scheduled manned lunar landing, was launched on April 11, 1970, from Kennedy Space Center. The crewmembers were Commander James Lovell, Lunar Module ...

This classic idiom may sound like small change, but "dime a dozen" has a rich history A four-leaf clover? Rare. An avocado that’s perfectly ripe, right when you want to eat it? Also rare! True love?

SIM cards have been an integral yet often forgotten part of owning a smartphone for the past few decades. For most users, the SIM card defines the basic commercial relationship they have with their ...

Lipoprotein (a) is a low-density lipoprotein that transports cholesterol in the blood. The lipoprotein (a) test — or Lp(a) test — determines the level of this lipoprotein in the blood, and its results ...