300 dpi: (k8564-1.jpg)
640 pixels wide: (K8564-1.jpg)
![]() Image Number K8564-1 |
By counting the opaque glass pellets visible in x-rayed catfish, scientist can calculate the amount of feed the fish have consumed.
Photo by Jeffrey Silverstein.
300 dpi: (k8564-1.jpg)
640 pixels wide: (K8564-1.jpg)
![]() Image Number K8564-1 |
By counting the opaque glass pellets visible in x-rayed catfish, scientist can calculate the amount of feed the fish have consumed.
Photo by Jeffrey Silverstein.