Melt ponds on the surface of Arctic sea ice in August of 2005.
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Penguins in a light snowfall, Antarctica, 2012.
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X-ray tomographic image of the brine phase in sea ice.
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Cindy Furse and Joyce Lin getting ready to core sea ice in the Ross Sea, 2012.
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Ken Golden coring Antarctic sea ice with the Australian icebreaker Aurora Australis in the background, 2012.
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Melt ponds on the surface of Arctic sea ice.
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Dr. Golden taking a sea ice core in Antarctica, with the icebreaker Aurora Australis in the background.
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Professor Golden measuring how quickly water rises in a hole drilled partially through the sea ice, to determine its fluid permeability.
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Three penguins on their bellies sliding their way toward an opening in Antarctic sea ice, 2012.
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Twin penguins standing watch over their sea ice.
Tanya Lewis, Staff Writer
Tanya has been writing for Live Science since 2013. She covers a wide array of topics, ranging from neuroscience to robotics to strange/cute animals. She received a graduate certificate in science communication from the University of California, Santa Cruz, and a bachelor of science in biomedical engineering from Brown University. She has previously written for Science News, Wired, The Santa Cruz Sentinel, the radio show Big Picture Science and other places. Tanya has lived on a tropical island, witnessed volcanic eruptions and flown in zero gravity (without losing her lunch!). To find out what her latest project is, you can visit her website.