John Singer Sargent's painting known as "Madame X" was disputed when it was shown in eighteen eighty-four.

VOA: special.2010.08.04

When he is clear of the B-52, he starts the X-15's rocket engine.

VOA: special.2010.07.07

The X-15 flies high over the sandy wasteland of California's Mojave Desert.

VOA: special.2010.07.07

From under the plane's right wing, the black sharp-nosed X-15 drops free.

VOA: special.2010.07.07

Pilot Scott Crossfield is in the X-15's only seat.

VOA: special.2010.07.07

A less invasive procedure known as a virtual colonscopy is done with a CT scan that passes x-rays through a patient's abdomen.

VOA: standard.2010.04.07