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October 28, 2022
What lives in frozen soil for 25,000 years?
In October 2022, Josephine Galipon visited Alaska to see if she could tease out genetic information from gray cylinders of permafrost — silty soil that has been frozen for at least two years, but in this case thousands.
October 15, 2022
The man who knew moose like no other
Vic Van Ballenberghe died on Sept. 22, 2022, at the age of 78. The man who knew moose better than perhaps anyone else on Earth had stood amid their knobby legs for many springs and falls in Interior Alaska. I got to join him in the field once, 11 years ago. Here is my story from that day…
September 12, 2022
Where do Alaska bats spend the winter?
Jesika Reimer, a bat expert and consultant, has held in her hands little brown bats from the Northwest Territories to the Tanana River. Along with a few colleagues around Alaska, she is sharing new information about the farthest-north bat.
August 30, 2022
Adopt a woolly mammoth and win!
Adopt-a-mammoth will allow anyone who donates the radio-carbon dating fee of $350 to receive a digital photo of their tusk, femur or whatever mammoth part it happens to be. Scientists will then remove a collagen sample and send it to a carbon-dating lab in California. Mammoth adopters will get results on the age of their animal shortly after the scientists do.
August 15, 2022
Secrets of an ancient horse of the Yukon
The Yukon — a territory of Canada east of the Alaska border — is a great place to find the preserved remains of ancient creatures. One reason is that the immense ice sheet that covered most of North America (including Chicago and New York City) did not press down on central Yukon nor the middle of Alaska. That spared the landscape from the abrasion of millions of pounds of flowing ice.
July 29, 2022
A high-country Eden for sockeye salmon
In late summer, a few months before this mossy valley will feel the sting of 40-below air, bright red salmon dart through a crystal-clear pool amid fragrant green vegetation. The Gulkana Hatchery has a Garden-of-Eden feel, which is fitting since millions of sockeye salmon begin life here each year.
July 5, 2022
Salmon nose deep into Alaska ecosystems
A salmon head at its final resting place on the upper Chena River, one of the most important birth streams for Chinook salmon. Photo by Ned Rozell. That’s the finding of scientists who study Alaska streams and rivers that are teeming with salmon.
June 29, 2022
Bonsai trees tell of winters long past
“These are museum-class bonsais,” Ben Gaglioti says as we walk through an elfin forest. Gaglioti, a University of Alaska Fairbanks ecologist, has led me into another landscape I have never seen in Alaska. This terrace of spongy ground above the rainforest is home to trees that Dr. Seuss might have dreamed up.
June 22, 2022
Rugged science on the Southeast coast
To the woman wearing earbuds and sitting next to me in seat 7E: I’m sorry; I did not get to shower before boarding the plane after 12 days of accompanying four scientists in the hills north of Lituya Bay. I will try to keep my arms pinned to my side and lean toward the window.
April 22, 2022
His 48th summer on top of the world
This June, George Divoky will refurbish a cabin that sits on a lonely gravel island north of Alaska. He was not planning a remodel this year. Sometime during the winter, a polar bear tore through a plywood wall of the cabin Divoky moved 20 years ago to Cooper Island.