Red gold: The world's most expensive spice - Carolyn Beans
TED-Ed · Science & Maths · 6 min · 332 thousand views · published 2026-07-28
Dig into the unique biology of saffron and trace humanity’s enduring obsession with the spice, dating back thousands of years. -- Spices are saffron saffron spice saffron plant saffron flower saffron stigmas flower stigm
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