Hr2: Tongue Muscles, Jill Tarter, Aging Aircraft

September 08, 2017

Hr2: Tongue Muscles, Jill Tarter, Aging Aircraft

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September 08, 2017

Astronomer and SETI co-founder Jill Tarter reflects on her career as an alien hunter. Plus, simple exercise seems to be an effective way to keep the tongue muscles toned, and a look under the skin of aging aircraft.

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