4 awesome discoveries you probably didn't hear about this week -- Episode 32
Crocodile smile, incognito from mosquitoes, future frequent floods and saving sea otters. It's "4 Awesome Discoveries You Probably Didn't Hear About This Week."
1. '100-year' floods will happen every one to 30 years, according to new flood maps
2. Mosquito incognito: Could graphene-lined clothing prevent mosquito bites?
3. What’s Killing Sea Otters? Scientists Pinpoint Parasite Strain
4. No teeth cleaning needed: Crocodiles shed old teeth, grow new ones
Provided by National Science Foundation