Spinal deformities in Sacramento-San Joaquin Delta fish linked to toxic mineral selenium, new research shows:  “Native fish discovered with spinal deformities in California’s Sacramento-San Joaquin Delta in 2011 were exposed to high levels of selenium from their parents and food they ate as juveniles in the San Joaquin River, new research has found.  The finding published in Environmental Science and Technology indicates that some fish in the region may experience harmful levels of selenium. Selenium is a naturally occurring mineral … Continue reading SCIENCE NEWS: Spinal deformities in Delta fish linked to selenium; Study reveals hidden risks of estuary development for young salmon; Using sound and light to measure sediment in water; and more …