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Researchers have new evidence that enhancing wildlife connectivity between national parks in the West would help animals live hundreds of generations longer.

It鈥檚 early in the morning and Juli Scamardo is in chest waders, guiding me through a beaver meadow in Rocky Mountain National Park.鈥淭hese are like mazes,鈥濃��

Colorado was the first state in the nation to allow both medical and recreational marijuana sales, soon followed by Washington, Oregon, the District of鈥�

Now that recreational use of marijuana is legal in four states, law enforcement officials are looking for quicker ways to test drivers for excessive pot use. Entrepreneurs are taking on the challenge.

The League of American Bicyclists' rankings also show that no American state scored higher than 67 points out of 100.

Local leaders in Colorado and Washington are writing the playbook when it comes to recreational marijuana use. With voters in places like Alaska,鈥�

Dozens of people lost their homes in the massive slide in Oso, Wash., but few are likely to see an insurance payout. That's because mudslide coverage is not included in a typical homeowner's policy.

A young woman who didn't know she was infected with measles went to a Kings of Leon concert in Seattle. Public health investigators have reconstructed her movements to warn the public.

States are legalizing marijuana even though there's no clear understanding of its impact on health. The drug hasn't been subjected to the kind of rigorous medical research that would find that out.

Like all teams do, Seattle studied its opponent. Then during the game, says cornerback Richard Sherman, the Seahawks figured out the hand signals that the Denver quarterback was using. Other teams do that too. Seattle certainly took advantage of things, though, and dominated during the 43-8 win.