Microbeads cover an area about the size of a half-dollar in a glass lab dish at UC Davis in Davis on Wednesday, April 15, 2015.
Microbeads cover an area about the size of a half-dollar in a glass lab dish at UC Davis in Davis on Wednesday, April 15, 2015. Randall Benton rbenton@sacbee.com
Microbeads cover an area about the size of a half-dollar in a glass lab dish at UC Davis in Davis on Wednesday, April 15, 2015. Randall Benton rbenton@sacbee.com