This ambipolar electric field is as fundamental to Earth as gravity and the magnetic field, and is the source of the flow of atmospheric ions into space known as the polar wind. For decades ...

Two polar bears killed a worker at a remote Arctic radar station in Canada's northern Nunavut territory, prompting an investigation into the rare fatal attack. The employee, who has not been named ...

As the climate warms, polar bears are seen on land earlier in the season At the end of the Canadian Arctic summer, polar bears head inland to wait for the ice to form. And while thousands of ...

Chemla, Emmanuel Homer, Vincent and Rothschild, Daniel 2011. Modularity and intuitions in formal semantics: the case of polarity items. Linguistics and Philosophy ...

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Subsidiary mother cells (SMCs) strongly polarise before an asymmetric division forms a SC. Yet apart from a proximal polarity module that includes PANGLOSS1 (PAN1) and guides nuclear migration, little ...