DNA study casts fresh light on the diet of earliest Greenlanders

DNA study casts fresh light on the diet of earliest Greenlanders

When scientists dig through the trash left behind by prehistoric cultures to determine things such as diet, their assessment is typically based on visual...
Iceland is mysteriously free of mosquitoes—for now, anyway

Iceland is mysteriously free of mosquitoes—for now, anyway

They suck your blood and buzz annoyingly around your ears. Their itchy bites can turn a festive barbecue miserable or ruin a bucolic walk...
Here’s how much of the Arctic you’re personally responsible for melting

Here’s how much of the Arctic you’re personally responsible for melting

Dirk Notz calculates that for every person who drives a car 1,000 miles or takes a round-trip flight from New York to London, three...
Denmark’s ambitious Arctic research strategy is light on funding

Denmark’s ambitious Arctic research strategy is light on funding

Denmark is to become “one of the world’s leading Arctic-research nations,” according a new strategy unveiled by that country’s science minister.Among the proposals put...
‘Arctic gene’ that poses risks when fasting is found in many more infants now that DNA testing has begun

‘Arctic gene’ that poses risks when fasting is found in many...

Thousands of years of a diet with lots of animal fats and sparse carbohydrates left a mark on the DNA of Native people of...
New permafrost map shows areas in Alaska vulnerable to thaw-induced collapses

New permafrost map shows areas in Alaska vulnerable to thaw-induced collapses

A new map of northern hemisphere permafrost identifies the areas that are most vulnerable to thawing and slumping.The map shows which regions in the circumpolar north...
6 scientists, 1,000 miles, 1 prize: The Arctic Alaska Bumblebee

6 scientists, 1,000 miles, 1 prize: The Arctic Alaska Bumblebee

DALTON HIGHWAY, Alaska —“To bees, time is honey.” — Bernd Heinrich, “Bumblebee Economics”One hundred miles north of the Arctic Circle, by the side of a...
How Greenland’s ice is melting from both above and below

How Greenland’s ice is melting from both above and below

There were no scientists around circa 11,000 years ago, when the great Laurentide Ice Sheet, which once covered much of present day North America,...
There’s a walrus haulout near Point Lay again, but it’s begun later than in recent years

There’s a walrus haulout near Point Lay again, but it’s begun...

Pacific walruses have started to gather on an Arctic beach in Northwest Alaska, continuing what has become a near-annual ritual for the animals living...
Yukon’s climate, notoriously cold in Gold Rush days, is transforming

Yukon’s climate, notoriously cold in Gold Rush days, is transforming

In the days of poet Robert Service more than a century ago, Canada’s Yukon territory was almost as notorious for its fierce cold as it...