Name: The chemistry on Earth's sister planet doesn't add up | Sara Seager — crossroad
Uploaded: 2026-03-10
Duration: 7 min 52 s
Description: But, you know, throughout life, we hit a crossroads.

Spoken in 4 clips from 3 channels · A2–C1 · other forms: crossroads

01 / 4TED-EdC11:55–2:03

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02 / 4KurzgesagtA24:09–4:16

03 / 4Big ThinkB14:19–4:22

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04 / 4TED-EdC13:32–3:42

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4 clips · 3 channels