October 30, 2026

When, and where, did bats first take to the sky? Online clinics are prescribing GLP-1 microdoses formulated by compounding pharmacies. Are these drugs safe and effective? Terence Tao says mathematics is about understanding, not just right answers, and quick AI solutions are forcing soul-searching in the field. Plus, how chatbots are changing language, and what life was like for T. rex.

Heard on the Air

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A Tyrannosaurus rex mom is built for tearing flesh—and blending in

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Algebra helps us navigate hard realities by making them abstract

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Enter SciFri’s nerdy Halloween costume contest!

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People are microdosing GLP-1s for weight loss. Is it safe?

Some online clinics are prescribing GLP-1 microdoses formulated by compounding pharmacies. Are these drugs safe and effective?

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Segment

Terence Tao on how AI math solutions miss the point

Terence Tao says mathematics is about understanding, not just right answers, and quick AI solutions are forcing soul-searching in the field.

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Segment

What was life like for Tyrannosaurus rex?

T. rex may be the most famous prehistoric predator, but life wasn’t always bone-snapping chomps and food chain scaremongering.

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A woman and a man sit on the left side of a table, talking to a woman on the right, against a black backdrop

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Isabella Rossellini on how acting connects to animal cognition

Should we anthropomorphize animals or not? An actor and an ecologist share what they’ve learned about animal cognition.

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People are microdosing GLP-1s for weight loss. Is it safe?

Terence Tao on how AI math solutions miss the point

What was life like for Tyrannosaurus rex?

Isabella Rossellini on how acting connects to animal cognition