Astronomy and toxicology converge at Caltech

from The Science Show - Full Program Podcast · host Australian Broadcasting Corporation

When raised lead levels were noticed in Los Angeles last year, a chemist — who usually examines asteroids — quickly saw that the fires that ravaged the region in January 2025 were to blame.

Episode metadata supplied by the publisher feed · Published Mar 6, 2026

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Astronomy and toxicology converge at Caltech

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