July 21, 2017

NASA wants to test our ability to deflect asteroids that could come too close to Earth. Plus, the fascinating story of the air we breathe and the gases that have shaped human history.

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Heard on the Air

Article

The Real Roswell Cover-Up? Spying On Air

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9:59

Particles Behaving Badly

Physicists have observed subatomic particles decaying in a way that doesn't jibe with the predictions of the Standard Model, suggesting, if the results are correct, that there could be undiscovered particles at play.

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