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tusk

Department of Paleontology staff members Tom Deméré and Kesler Randall measure the length of the tusk discovered at the 16th and Market project site.

Chris Plouffe

Department of Paleontology staff members Tom Deméré and Kesler Randall measure the length of the tusk discovered at the 16th and Market project site.

Chris Plouffe

Department of Paleontology staff members Tom Deméré and Kesler Randall measure the length of the tusk discovered at the 16th and Market project site.

Chris Plouffe

By the 1920s, California had lost all of its grizzly bears—once considered a distinct species and an emblem of the state.

Preconceptions skew our view of the biggest killer in the developed world, atherosclerosis.

Across the Pacific Ocean, plastics, plastics, everywhere