4 awesome discoveries you probably didn't hear about this week -- Ep. 1

Butterfly eyes, species expansion, everything-repellent and the cosmos. It's your weekly briefing on the latest discoveries you might not hear about anywhere else, all with funding from the National Science Foundation.

This week:
1. Finding cancer through the eye of a butterfly
2. Killer whales in rivers? Get used to it.
3. An "everything-repellent" coating could kidproof your life
4. Cosmic smashup

Provided by National Science Foundation

Runtime: 2:23

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