Name: Why there’s no golden formula for beauty | BBC Ideas — interlock
Uploaded: 2026-01-15
Duration: 1 min 44 s
Description: In a head of sunflower seeds, there are two sets of interlocking spirals.

Spoken in 4 clips from 2 channels · B1–C1 · other forms: interlocking, interlocked

01 / 4Practical EngineeringC19:26–9:35

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02 / 4Practical EngineeringB12:38–2:42

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03 / 4BBC IdeasC10:50–0:54

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04 / 4BBC IdeasC12:04–2:08

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4 clips · 2 channels

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