4 awesome discoveries you probably didn't hear about this week -- Episode 23

Copper lights the way, nano delivers for osteoarthritis, machine learning fast tracks a gene hunt and new tech breaks through sign language barriers. It's "4 Awesome Discoveries You Probably Didn't Hear About This Week."

1. Copper Lights the Way
2. Better treatment delivery for osteoarthritis
3. Plant Gene Treasure
4. Sign Language Translator to Go

Provided by National Science Foundation

Runtime: 2:28

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