Yellowstone: Bison slaughters done for the season

Yellowstone National Park administrators say shipments of wild bison to slaughter are done for the winter after almost 600 animals were removed in an effort to shrink their numbers.

Nevada marina deemed safe despite 100K fish kill

Though testing is incomplete, state officials say they're convinced a Nevada marina where an estimated 100,000 trout, bass and catfish died poses no danger to humans or animals.

Possible shipwreck artifact to get CT scan for age

Explorers who removed a wooden slab from Lake Michigan this summer are taking an unusual step to determine whether it could have come from the Griffin, a long-lost vessel from the 17th century.

Computer glitches derail school tests in three states

School districts across several states are rescheduling high-stakes tests that judge student proficiency and determine teachers' pay because of technical problems involving the test administrators' computer systems.

Scientist takes first step to measure chromium contamination

Judy Zelikoff is filling an unwanted role. Three decades after hexavalent chromium spread under a Garfield, N.J., neighborhood, this accomplished scientist and her team of researchers at New York University may finally be ...

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