Arctic

Polar bear on pack ice
| 3 min read
An East European vole on Spitzbergen island. These animals were introduced to the Svalbard islands over a few decades. With no predators, their presence provides scientists with a living system to assess the impacts of predators on the populations cycles of small Arctic mammals.
| 3 min read
Polar bear on melting ice flow
| 2 min read
Stratospheric clouds above the Arctic, like those seen here over Kiruna, Sweden, provide ideal conditions for chemical reactions that transform chlorine to a form that depletes the Earth's protective ozone layer
| 4 min read
Nares Strait
| 3 min read
| 2 min read
Measuring Ice Cores
| 2 min read
Polar bears on Arctic sea ice
| 2 min read
North Alaska
| 3 min read
Sea-Ice-Free Arctic Makes Permafrost Vulnerable to Thawing
| 2 min read
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CURRENT ISSUE - November/December 2025

AI & Automation

Preparing Your Lab for the Next Stage

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