Arctic Ocean
Two Men Are Heading to the North Pole, On Foot, As Fast As They Possibly Can
They're attempting to break the speed record for traveling unsupported from Ellesmere Island to the North Pole
The Narwhals’ Unicorn-Like Tusk Can Sense Changes in Its Environment
The nerve-filled appendage helps the animals sense temperature and perhaps find prey and mates
As the Planet Warms, What Happens to the Reindeer?
Ecologists are racing across the ice to find out how climate change will affect the Arctic natives
Seals Are Scientists' Little Helpers for Collecting Ocean Data
For the past 10 years, hundreds of seals equipped with special headgear have collected crucial data on ocean temperature and salinity for scientists
Who Discovered the North Pole?
A century ago, explorer Robert Peary earned fame for discovering the North Pole, but did Frederick Cook get there first?
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