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Kelsey Aho holds a jar of clay she collected while fishing for hooligan on Turnagain Arm near Anchorage in 2021. (Courtesy Photo / Kelsey Aho)

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Alaska Science Forum: Grains of Alaska made into art

“I can hand a piece of the Yukon River or Mendenhall Glacier to someone thousands of miles away…”

“Hurricane Hal” Needham smiles on a benign day on a Galveston, Texas, beach. The extreme weather and disaster scientist for CNC Catastrophe & National Claims recently drove to a parking garage in southwest Florida to document Hurricane Ian. (Courtesy Photo / Hal Needham)

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Alaska Science Forum: Alaska megastorms vs. East Coast hurricanes

Unlike the giant storm that hit Alaska in mid-September, hurricanes and typhoons both have eyes.

A bracket fungus exudes guttation drops and a small fly appears to sip one of them.( Courtesy Photo / Bob Armstrong)

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On the Trails: Water drops on plants

Guttation drops contain not only water but also sugars, proteins, and probably minerals.

The hoverfly can perceive electrical fields around the edges of the petals, the big white stigma, and the stamens. (Courtesy Photo / Bob Armstrong)

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On the Trails: Electric flowers and platform plants

You cannot see it, it’s electric.

On Joint Base Elmendorf-Richardson in 2018, biologist Jesika Reimer releases a little brown bat with a radio transmitter on its back. (Courtesy Photo / James Evans, University of Alaska Anchorage)

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Alaska Science Forum: Where do Alaska bats spend the winter?

I think bats do hibernate in interior Alaska…”

Seadrone photo showing stone fish trap found in Shakan Bay on the west side of Prince of Wales could potentially be oldest ever found in the world. The structure was first discovered in 2010 and officially confirmed as a stone weir earlier this year. (Courtesy Photo / Sealaska Heritage)

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Ancient weir sheds new light on Alaska Native history

Stone fish trap dates to at least 11,100 years ago, according to scientists.

A beaver pauses on top of its dam.(Courtesy Photo / Chuck Caldwell)

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On the Trails: All about beavers

Leave it to ‘em.

This photo shows a view of Manhattan from the window seat of a New York to Seattle flight. (Courtesy Photo / Ned Rozell)

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Alaska Science Forum: Chasing the sun from New York to Alaska

Around the country in a day.

Courtesy Photo /Chris Arp 
Harry Potter Lake, at the top of this photo, as it looked four years ago, perched 10 feet above and 30 feet away from the creek that in 2022 received most of its water.

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Alaska Science Forum: If a lake drains in northern Alaska…

Rarely do people get to see it.

A blue darner dragonfly perched on hands, shoulders, and heads. (Courtesy Photo / Ralf Gerking)

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On the Trails: Sights and sounds from the trails in late summer

Winged wonders abound.

Elizabeth Hall, assistant paleontologist for the Yukon government in Whitehorse, stands in her office laboratory.  (Courtesy Photo / Ned Rozell)

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Alaska Science Forum: Secrets of an ancient horse of the Yukon

The Yukon is a great place to find the preserved remains of ancient creatures.

From left, Kelsey Dean, watershed scientist with the Southeast Alaska Watershed Coalition, and Kaagwaan Eesh Manuel Rose-Bell of Keex’ Kwáan watch as crew members set up tools to drag a log into place. Healthy salmon habitat requires woody debris, typically provided by falling branches and trees, which helps create deep salmon pools and varied stream structure. (Courtesy Photos / Mary Catharine Martin)
 

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The SalmonState: Bringing the sockeye home

Klawock Indigenous Stewards and partners are working to a once prolific sockeye salmon run.

A northern oriole used dietary carotenoids to make its feathers bright orange. (Courtesy Photo / J. S. Willson)

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On the Trails: The colorful world of birds

Colors are produced by cell structure, which can scatter light rays, making iridescence, and by pigments, which absorb…

A little fish called a graveldiver had hidden under a flat rock. (Courtesy Photo / Aaron Baldwin)

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On the Trails: Bricolage — this and that, bits and pieces

There were good minus tides in May and June, and I went out with some friends to take…

Red salmon gather at a Gulkana Hatchery fish weir that prevents them from going upstream on the east fork of the Gulkana River.(Courtesy Photo/ Ned Rozell)

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Alaska Science Forum: High-country Eden for sockeye salmon

“It’s the largest sockeye hatchery in the world. Two-hundred and sixty miles from the ocean.”

A Hills Bros. coffee can found at an old cabin on the Fortymile River. (Courtesy Photo / Ned Rozell)

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Alaska Science Forum: A field guide to old coffee cans

Can you dig it?

Courtesy Photo / KMHocker photo 
Recently emerged mayflies landed on our caps and hands, perhaps resting from the rigors of courtship dances.

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On the Trails: Fun in Gustavus

A walk near a shallow lake was the highlight.

The Valley of 10,000 Smokes pictured during a visit in 2018. (Courtesy Photo / Bob Gillis)

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Alaska Science Forum: 110 years since the largest Alaska eruption

“Stretching as far as the eye could reach … were hundreds — no, thousands — of little volcanoes.”

The whorl of seed-bearing follicles of fern-leaf goldthread is more robust, but similar in form to that of three-leaf goldthread. (Courtesy Photo / Bob Armstrong)

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On the Trails: Buttercups and their relatives

“Buttercups”—the name conjures up an image of lots of bright yellow flowers, which we enjoyed recently in Cowee…

A very young oystercatcher chick waits for a parent.  (Courtesy Photo / Bob Armstrong)

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On the Trails: Oystercatchers, pinesap and spittlebugs

At the mouth of Cowee Creek, sometime in mid-June, we’d found a vigilant pair of black oystercatchers, presumably…