> ## Content Index
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# How Scientists Cracked the Secret To Making Diamonds
- URL: https://www.cascadepbs.org/show/its-okay-be-smart/episode/how-scientists-cracked-the-secret-to-making-diamonds-stwcth/
- Published: 2024-12-11T15:00:58.000Z
- Updated: 2025-08-20T09:56:01.000Z
- Description: These diamond makers create one of the most amazing materials on Earth — from dead people.
- Author: Cascade PBS Staff
- Tags: Be Smart, Season 12, Episode 16, #ZZZ_Episode_2d9bb0f1-347c-48a4-b0c6-96eda238af4f, #episode, #ZZZ_Show_dc38a6e9-266e-43c1-b647-45e7445fad27, #v1.16

For centuries, diamonds were one of the most mysterious materials on Earth. They were beautiful, indestructible, and completely unexplained. Today, we’re exploring how scientists unlocked their secrets, and how one lab recreates the extreme conditions in Earth's mantle to make diamonds… out of dead people.