A mother Atlantic walrus watches over her pup ice floe near Igloolik, Nunavut, Canada.
An Arctic Larry, Moe, and Curly lounge on an ice floe near Igloolik, Nunavut, Canada.
An Atlantic walrus calf finds safety on its mother's back while drifting on an ice floe near Igloolik, Nunavut, Canada.
"Moments later the seal scrambled off and swam to the safety of a nearby ice floe," wrote the scientists.
The extracted core has a thermal inertia which allows readings to be taken a short time after it was taken from the ice floe.
A leopard seal swims in turquoise waters just below the surface as a jagged Antarctic ice floe looms in the background.
That reached a height in 2006, when we titled our cover story on climate change, crowned with a photo of a lonely polar bear on an ice floe, "Be Worried.
You see, when I lived far away, you knew I was there, and I kept something for you, even though you had never seen a polar bear or an ice floe. Even though you are not adapted to my conditions.
