4 awesome discoveries you probably didn't hear about this week -- Episode 8

Something special in seal blood; a whole new angle on prosthetic ankles; a nanotech inspiration from single-celled architects; and sure, there may be "gold in them thar hills," but there's a quadrillion tons of diamonds in the Earth's interior. It's your weekly briefing on the latest discoveries you might not hear about anywhere else, all with funding from the National Science Foundation. For more information, refer to these news articles:

1. Sound waves reveal diamond cache deep in Earth's interior
2. 'Smart' prosthetic ankle takes fear out of rough terrain, stairs
3. Seal serum offers protection from inflammation
4. Single-celled architects inspire new nanotechnology

Provided by National Science Foundation

Runtime: 2:13

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