Keeping Mosquitoes Away
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.
Chinese reporter, Ron Monroe
Ron learns about Katori Senko, mosquito coils
Ron visits a mosquito expert