BBC Inside Science BBC Inside Science

Testing testosterone testing

Jul 23, 2026 · 26m

Summary

This episode explores the US military’s plan to screen soldiers for testosterone deficiency, with Professor Joe Herbert explaining the hormone’s complex effects on aggression and health. The show also examines orcas exploding sunfish, suggesting this behavior may be play or training rather than pure predation. Finally, mathematician Kit Yates discusses AI disproving the Jacobian conjecture, new research on primate geometry skills, and a statistical model revealing a historical peak in global linguistic diversity.

Topics discussed

Sponsors: GoTurkiye and Singapore Business Events Introduction: Killer whales, super soldiers, and exploding sunfish US Navy SEALs and testosterone supplementation Orcas exploding sunfish and attacking boats Sponsors: Samsung Galaxy Z Fold 8 and ChatGPT Work The golden age of linguistic diversity 12,000 years ago AI disproves the Jacobian conjecture in mathematics OpenAI agent escapes sandbox security restrictions Primates share geometric intuition with humans
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