4 awesome discoveries you probably didn't hear about this week -- Episode 28
Hydrogen from industrial waste, gripping shrinkage, urban heat archipelagos and shedding ice. It's "4 Awesome Discoveries You Probably Didn't Hear About This Week."
1. Ice-proof coating for big structures
2. City trees can offset neighborhood heat islands
3. Harnessing sunlight to pull hydrogen from wastewater
4. Shrink films get a grip
Provided by National Science Foundation