sled dogs Iditarod ceremonial start

Iditarod sled dogs’ fat burning capabilities

The Ceremonial Start of the 2015 Iditarod, a sled dog mushing race, will be held in Anchorage on March 7th. The Restart will be Monday, March 9th, in Fairbanks. While the race is normally run from Anchorage to Nome, Alaska, low snow conditions have forced the race route north for the second time. You can […]

Lab fridge Arctic ground squirrels

“They do their best to approximate a sphere,” Loren Buck explained as he removed the ground squirrel from its lab-made hibernaculum. Hibernating Arctic ground squirrels can sustain a core body temperature of just -2.9°C [26.78°F]. “It’s cold… Do you want to touch it?” Buck uncurled the animal carefully. “He knows he’s being handled, it just takes a […]

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 […]

hibernating Arctic ground squirrel lab

The abundantly peculiar Arctic ground squirrel

They survive colder core body temperatures than any other known vertebrate, sustaining a temperature below freezing yet not becoming frozen. They emerge from hibernation with clock-like accuracy

sled dog Iceland

Iditarod sled dogs’ fat burning capabilities

Laura Nielsen for Frontier Scientists – “It is so instinctual to be doing what these dogs are doing…” Iditarod contestant and avid musher Mike Santos believes, “…That it really requires very little training.” Dogs love to run. Still, a musher’s challenges are daunting. Alaskan weather is fierce and unpredictable; handling logistics, supplies, the vagaries of […]