Science

Kwiniuk, near Elim, with Tohru Saito. Photo by Ned Rozell.

Alaska Hot Springs, Far and Wide

by Ned Rozell- KANUTI HOT SPRINGS — After a few hours of skiing through deep snow, Forest Wagner and I smelled a tuna sandwich. We knew we were closing in on warm pools of water. From the frozen Kanuti River, we moved along an open stream up toward Kanuti Hot […]

Songbirds like this yellow-rumped warbler would probably do better in a world without people. Photo by Ned Rozell.

Alaska’s Creatures Without Us

by Ned Rozell- In Alan Weisman’s book, The World Without Us, the author ponders “a world from which we all suddenly vanished. Tomorrow.” People who study Alaska’s wildlife donated some thought to the subject. Alaska’s lack of people has benefited many species, including caribou, which still outnumber Alaskans, and salmon, which […]

A large field of aufeis on the Kuparuk River. Scientists think these ephemeral icefields might be places that enhance far-northern life in the winter and the summer. Photo by Jay Zarnetske.

Overflow Ice as Northern Oasis

by Ned Rozell- Overflow ice, also known as aufeis, is like a field of arctic daisies that comes back year after year. Aufeis that clogs northern valleys is born when frigid winter air meets cold water welling up to the ground’s surface. Aufeis dies when warm air finally melts it […]

NOAA Releases March 2018 Climate Report and Outlook

NOAA Releases March 2018 Climate Report and Outlook

  NOAA’s Regional Climate Services Program and partners created these Climate Outlooks to inform the public about recent climate impacts within their respective regions. Each regional report contains easy-to-understand language, and anyone can access them through the Drought Portal. The complete report including the outlook for April through June and […]

A NASA graphic showing some of the space junk their researchers are tracking.

Streaking, Manmade Lights in the Sky

by Ned Rozell- I slept outside a few nights ago. Lying a platform of packed snow, my face looking upward from the sleeping bag, I squinted at the Big Dipper. Within a few minutes, what appeared to be a moving star slanted across the dipper. Then another. And another. About […]

A detail of William Dall’s 1870 Alaska map, from “Alaska and its Resources.” 

A Scientist’s View of Alaska, 150 Years Ago

by Ned Rozell- One year before Alaska became part of America, 21-year old William Dall ascended the Yukon River on a sled, pulled by dogs. The man who left his name all over the state was in 1866 one of the first scientists to document the mysterious peninsula jutting toward […]

Final FREEzing Wednesday to see Baby Beluga

Final FREEzing Wednesday to see Baby Beluga

Wednesday,  February 28 is the final FREEzing Wednesday at the Alaska Sealife Center. Bring your friends and family between 10 am and 5 pm to say good-bye to Tyonek, the baby Beluga whale, before he flies to Texas. Admission is free to Alaska residents. Many thanks to the Alaska Sealife […]

The Bering Land Bridge at the height of the last ice age. Map by Nancy Bigelow.

Was the Bering Land Bridge a Good Place to Live?

by Ned Rozell- During the coldest days of the last ice age, the Bering Land Bridge was 1,000 miles wide, a belt buckle the size of Australia that connected North America and Asia. That mysterious land of green plants, streams and hills persisted for thousands of years, until seas swelling […]

Aurora is space weather made visible. Photo by Ned Rozell.

Space Weather: Havoc Caused by the Sun

by Ned Rozell- Space weather affects snowplow drivers carving through Thompson Pass in a whiteout, Iowa farmers dropping seeds of corn, and wedding planners who release white doves during the ceremony. These and other customers subscribe to daily forecasts from the NOAA Space Weather Prediction Center in Boulder, Colorado. Rodney […]

A map of the Yukon River drainage showing major and minor spawning grounds of chinook salmon. Photo courtesy of Randy Brown.

Where Are the Yukon Chinooks Headed?

by Ned Rozell- In a packed university conference room, biologist Randy Brown spoke of chinook, the fatty king of far-north salmon. “It’s more than just a fish, it’s a culture,” Brown said to the Fairbanks crowd, many of them Alaska Natives. Brown is the lead author on a paper in […]