This week, Radiolab explores how biology shapes behavior across two very different domains: the surprising parental instincts of wild animal fathers and the powerful influence of hormones on human cognition and emotion. Together, the episodes reveal how much of what we consider distinctly personal—our choices, our moods, our relationships—may be driven by forces operating largely outside our awareness.
Episodes This Week
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Other Weeks
This Week in Radiolab (Sep 28 - Oct 4, 2026)
1 episode · Sep 28 – Oct 4
This Week in Radiolab (Sep 21 - Sep 27, 2026)
1 episode · Sep 21 – Sep 27
This Week in Radiolab (Sep 14 - Sep 20, 2026)
1 episode · Sep 14 – Sep 20
This Week in Radiolab (Sep 7 - Sep 13, 2026)
1 episode · Sep 7 – Sep 13
This Week in Radiolab (Aug 31 - Sep 6, 2026)
1 episode · Aug 31 – Sep 6
This Week in Radiolab (Jun 29 - Jul 5, 2026)
1 episode · Jun 29 – Jul 5
This Week in Radiolab (Jun 22 - Jun 28, 2026)
1 episode · Jun 22 – Jun 28