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Arctic Science Blog

Arctic grayling (Thymallus arcticus) ; this male shows the iridiscent, colored dorsal fin of the species. / Courtesy U.S. Fish and Wildlife Service

Droughts and fish highways

“I grew up on the shores of Connecticut looking into tidal pools and wondering about the plants and animals living there: where they move to when the tide goes out, and from when the tide comes in, and why. Once I even tracked my cat out my 3rd floor window and onto the roof to […] Read More >

Highly magnified view of an otolith, an Arctic grayling inner ear bone / Image Heidi Golden

The chemical map of otoliths

It’s about the size of a diamond and comes from the inner ear of a fish. This tiny construction holds a treasure trove of information, a calcium carbonate microchip made of bone and accessed by a laser. Let’s take a look at the science of otoliths. An otolith is a fish ear bone (from oto- […] Read More >

FrontierScientists TV Petroglyphs

The Frontier Scientists TV series is premiering October 6th!

The Frontier Scientists TV series is premiering October 6th! Frontier Scientists programs will be featured weekly on 360 North, streaming online at 360North.org and available in Alaska over the air in Anchorage and Juneau, and on GCI Cable, DirectTV, & Dish Network. Mondays at 8pm {5am UTC} Oct.6th – Dec.8th 2014, catch ten installments of […] Read More >

Arctic grayling head closeup

Grayling and the great commute

I remember vivid visuals which manage to compress something immense into the space of seconds: the cosmic force of a big bang flinging matter across the universe, Ice Age glaciers clamoring down from the north then retreating again, time-lapse footage of the tides’ rhythmic breathing. Even commuters dancing the stop-and-go of a traffic light. An […] Read More >

Arctic ground squirrel release

How to catch an Arctic ground squirrel – for science!

At Atigun River, north of the Arctic Circle, the sandy soil is run through with an interlaced network of burrows. The Arctic ground squirrels which call those burrows home have encountered something mundane to you or me, but no-doubt wondrous to them: big tasty taproots, stunningly orange. Carrots! Trapping squirrels The carrots are bait, placed […] Read More >