2.X-Ray Anniversary NPR SCIENCE CORRESPONDENT JOE PALCA REPORTS ON HOW THE DISCOVERY OF THE X-RAY, ONE HUNDRED YEARS AGO, HAS CHANGED THE WORLD.
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2.X-Ray Anniversary

2.X-Ray Anniversary

Audio will be available later today.

NPR SCIENCE CORRESPONDENT JOE PALCA REPORTS ON HOW THE DISCOVERY OF THE X-RAY, ONE HUNDRED YEARS AGO, HAS CHANGED THE WORLD.