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April 9, 2018

A prototype of a supersonic X-plane designed to fly at an altitude of 55 feet, at a speed of Mach 1.4, and produce gentle side waves. Lockheed Martin Aeronautics PR photo

Lockheed Martin selected by NASA to build X-Plane supersonic commercial aircraft

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The north pole of Enceladus. Source: NASA.

The north pole of Enceladus

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Medical crystal ball: a new method for selecting chemotherapy treatment

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