60-second Science
Button Battery Coating Lessens Risk If Swallowed
- Author: Vários
- Narrator: Vários
- Publisher: Podcast
- Duration: 0:01:34
- More information
Informações:
Synopsis
Thousands of small children swallow tiny batteries each year. A new battery coating could protect kids from internal burns and still allow the batteries to work. Cynthia Graber reports
