In science news this week: Sierra snowpack could drop significantly by the end of the century:  “A future warmer world will almost certainly feature a decline in fresh water from the Sierra Nevada mountain snowpack. Now a new study by the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) that analyzed the headwater regions of California’s 10 major reservoirs, representing nearly half of the state’s surface storage, found they could see on average a 79 percent drop in peak … Continue reading SCIENCE NEWS: Sierra snowpack could drop significantly by the end of the century; Sonny Bono Salton Sea National Wildlife Refuge serves up winter meals to migratory birds; Stinky salmon and other natural fertilizers; The bizarre and disturbing life of sea cucumbers; and more …