National (U.S.)

"US regulators clear a viral melanoma therapy, paving the way for a promising field with a chequered past."

"Rocky Mountain spotted fever is a nasty disease."

"A controversial plan to promote U.S. hardwood lumber is now sawdust, at least for the time being."

"The wild-caught salmon sold by restaurants and fishmongers is frequently farm-raised fish that has been mislabeled, said a report released Wednesday."

"Lawmakers have introduced legislation that if passed this week could avoid a potential rail service disruption resulting from a year-end safety deadline few railroads are expected to meet."

Melting glaciers in Glacier National Park are endangering stoneflies which are dependent on cold water. In the coming year, federal biologists will decide whether such insects deserve endangered species status.

"A Chinese development firm is buying oil fields in western Texas for more than $1 billion."

"The agency refused to turn over scientists’ emails about a study that debunks a theory favored by climate deniers, including committee chair Lamar Smith."

"Nearly half of the U.S. Senate supports a resolution to challenge the Obama administration's regulation cutting carbon emissions from power plants, the core of the United States' broader climate change strategy, sponsors of the measure said on Tuesday." President Obama will veto the measure, which lacks votes for an override.