In the dense eucalyptus forests of Australia, deadheads forage leaves and wriggle their bodies around. No, these aren’t Grateful Dead fanatics stranded since the psychedelic shows of the 1970s. Native ...

SANTA CRUZ, Calif., Sept. 8 (UPI) --Scientists say the molted skin of elephant seals is to blame for heightened mercury levels in the coastal waters of Northern California's Ano Nuevo State Reserve.