On Today's Podcast

Artemis II test flight heads toward the moon

The Artemis II mission has launched, and its four astronauts are en route to the moon for a lunar flyby.

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Today's Broadcast

April 3, 2026

The Artemis II mission has launched, and its four astronauts are en route to the moon for a lunar flyby. Plus, one scientist wants to put bioengineered algae to work cleaning microplastics out of wastewater. And, you probably shouldn’t spend time on your phone while you’re on the toilet, and other pooping tips from a gastroenterologist.

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Video

The Golden Record Decoded

Voyager 1 and 2 will drift for billions of years in the emptiness carrying a Golden Records, inscribed with our message to any intelligent spacefaring civilization that discovers it.

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Video

Breakthrough: A Re-Sounding Remedy

Under the care of hearing researcher Rene Gifford, Allyson Sisler-Dinwiddie became one of the first test subjects of a new technique to improve cochlear implants, devices that use electrodes to stimulate cells in the inner ear.

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