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So far Dennis has created 129 blog entries.

Alaska bears alert scientists to secret salmon streams

2020-08-12T11:30:30-08:00

Alaska bears alert scientists to secret salmon streams Right now, on the brushy tundra of northern Alaska, grizzly bears are gathering at quiet streams and rivers, attracted by the largest calorie reward they can find — spawning salmon. Until recently, scientists did not know salmon swam up some of these waterways, nor [...]

Alaska bears alert scientists to secret salmon streams2020-08-12T11:30:30-08:00

Riley the Wolf of Denali Passes Away

2020-04-18T19:45:24-08:00

Riley the Wolf of Denali Passes Away Riley the wolf has died. She lived in the wild until almost the age of 11, which biologists call a remarkable feat. Wolves are lucky to live to 6. The female wolf, former leader of the once-mighty Riley Creek pack in Denali National Park, drowned [...]

Riley the Wolf of Denali Passes Away2020-04-18T19:45:24-08:00

Remarkable groove slides gold into Alaska

2020-03-08T07:04:24-08:00

Remarkable groove slides gold into Alaska By Ned Rozell Nate Becker lives with his family on a quiet stretch of the Yukon River as it flows into Alaska. On a recent ski trip, I visited the Beckers’ home along with two geologist friends. Nate had a question for them. “Why are all [...]

Remarkable groove slides gold into Alaska2020-03-08T07:04:24-08:00

What We Learned from Mt. Redoubt’s Eruption 30 Years Ago

2020-03-07T05:11:07-09:00

What We Learned from Mt. Redoubt's Eruption 30 Years Ago By Ned Rozell On December 15, 1989, a pilot who had flown a 747 passenger jet all the way from Amsterdam was looking forward to landing in Anchorage. There, he would take a short break before continuing to Tokyo. Descending over Southcentral Alaska, he and [...]

What We Learned from Mt. Redoubt’s Eruption 30 Years Ago2020-03-07T05:11:07-09:00

Fish Tapeworms Found Near Fairbanks Alaska Pond – Ligula intestinalis

2020-03-07T05:11:07-09:00

Fish Tapeworms Found Near Fairbanks Alaska Pond By Ned Rozell A few times each week, someone carries something dead or alive through the doors of the UA Museum of the North, hoping an expert can identify it. A couple weeks ago, a woman arrived with a small jar of what appeared to be white worms. [...]

Fish Tapeworms Found Near Fairbanks Alaska Pond – Ligula intestinalis2020-03-07T05:11:07-09:00

Yet another reason not to buy farmed (fake) salmon

2020-03-07T05:11:07-09:00

Yet another reason not to buy farmed (fake) salmon "1,400 times more antibiotics..." "But Nova Austral's pristine image crashed in June with the first reports that it had doctored the number of salmon that had died at its farms" Another farmed salmon company in Chile has been caught lying. Besides the chemicals is has to [...]

Yet another reason not to buy farmed (fake) salmon2020-03-07T05:11:07-09:00

Monitoring a mystery bird in Yakutat, Alaska

2020-03-07T05:11:07-09:00

Monitoring a mystery bird in Yakutat, Alaska By Ned Rozell YAKUTAT — On sandy barrier islands between mountains and the sea, two different birds that look alike lay their eggs side-by-side. Biologists here are learning more about the less-common, more mysterious one. Arctic terns and Aleutian terns gather together on ocean spits to scratch out [...]

Monitoring a mystery bird in Yakutat, Alaska2020-03-07T05:11:07-09:00

Changing Climate Forcing Ducks North to Alaska

2020-03-07T05:11:07-09:00

Changing Climate Forcing Ducks North to Alaska By Ned Rozell Every spring, millions of ducks touch down on Yukon Flats National Wildlife Refuge, a spread of muskeg and dark water the size of Maryland. These days, more ruddy ducks seem to be among them. Recent sightings of this handsome, rust-colored bird — the males with [...]

Changing Climate Forcing Ducks North to Alaska2020-03-07T05:11:07-09:00

Detecting Alaska’s Next Earthquake in Realtime

2020-03-07T05:11:08-09:00

Detecting Alaska's Next Earthquake in Realtime By Beth Grassi Across Alaska and a sliver of western Canada, 280 seismic stations silently do their jobs. Hidden in dark holes drilled into rock in boreal forest, northern tundra and mountaintops, the instruments wait patiently for the next tremor. The EarthScope Transportable Array of seismic monitors is now [...]

Detecting Alaska’s Next Earthquake in Realtime2020-03-07T05:11:08-09:00

The dashed line of the Arctic Circle

2020-03-07T05:11:08-09:00

The dashed line of the Arctic Circle By Ned Rozell A friend and I just camped out at the Arctic Circle, about 200 miles north of where we live in Fairbanks. A dashed line on the map went right through our campsite. That line, the Arctic Circle, traces the northern hairline of the globe, at [...]

The dashed line of the Arctic Circle2020-03-07T05:11:08-09:00