Every Iron Atom in Your Blood Is Older Than the Sun

Four grams of iron, made in a dying star, and none of it was made here. — Chapters 0:00 A Drop Under Glass 0:53 The Metal You Never See 2:02 The Youngest Container, Recycled 3:40 Follow One Atom Backward 5:06 Earth Inherited Its Iron 6:50 A Star's Energy Ladder, and More Than One Kind of Explosion 8:58 Can an Atom Reveal Its Birthday? 10:21 Why Blood Handles Ancient Material So Carefully 11:32 Why the Body Guards the Door, Not the Exit 13:01 Meteorites and the Familiar Metal 13:49 The Answer — Three Clocks, Not One Number 14:36 Life Reframe — The Atom Survives the Container — A new episode every week. This channel takes one ordinary thing and follows it until it stops being ordinary. If you spotted an error, say so in the comments. Corrections get pinned. — Credits Footage: NASA · NASA/GSFC (SVS) · NASA/CXC · NIH/NCI James St. John, CC BY 2.0 (https://creativecommons.org/licenses/by/2.0/) Wikimedia Commons: Bramfab, Daderot (CC0) Pexels: Kelly, ArtHouse Studio, TimePRO TV, Luz Calor Som, Florencio Rojas, Engin Akyurt Sound effects: Mixkit