What's Your Connection?
Keeping Mosquitoes Away (1x9)
Uitzenddatum: Jun 21, 2019
A listener from China inquired about keeping mosquitoes in check in Japan. Our reporter Ron Monroe visits a mosquito expert to find out what really works. She also visits a company that invented pyrethrum coils more than 100 years ago to learn the origins of the material, now used around the world.
- in première gegaan: Okt 2018
- Afleveringen: 17
- Volgers: 0