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Alaska Science Forum: Alaska blackfish in a world of its own

North of the village of Hughes, in frigid, sluggish water, dim blue light penetrates two feet of lake ice. The ice has a quarter-size hole, maintained by a stream of methane bubbles. Every few...

On the Trails: Nitrogen — an essential element

Nitrogen is essential for growth and development of living things. It’s involved with almost all aspects of life: in amino acids that constitute protein, in DNA and RNA that control genetic inheritance, in ATP...

Alaska Science Forum: Magnetic declination and finding the moon

Dan Joling of Anchorage was set to photograph the full moon rising over the Port of Anchorage on Jan. 6, 2023. His research told him the moon would pop over the horizon at a...

I Went to the Woods: Growth mindset

In the spirit of becoming a doctor, lawyer or historian after reading a post, cartoon or meme, I am now an economist because I’m partway through a book. I’m not wholesale convinced the book...

On the Trails: The afterlife of trees

When biologists look at trees in the forests, they are likely to think about such matters as growth rates, insect pests, fungal infections, nesting birds, seed dispersal and seedling recruitment, and so on. All...

Alaska Science Forum: Alaska’s small glaciers are on the way out

Glaciers worldwide are withering. Half of them will disappear by the end of this century, and much of the lost ice will vanish from mountains in Alaska, scientists say. Authors of a recent cover...

Alaska Science Forum: Report of frog’s death greatly exaggerated

Things didn’t look good for the five frozen wood frogs. The palm-sized amphibians were hibernating in a box outside Brian Barnes’ Fairbanks home a few decades ago. Barnes, director of the Institute of Arctic...

I Went to the Woods: New year, new water

The Upper Sacramento River in Northern California is traced by railroad tracks for almost 40 miles. There is a campground that offered access to the tracks and therefore more trout water than we could...

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