News tagged with polarizer

Contaminants also a threat to polar bears

The polar bear (Ursus maritimus), one of the largest carnivorous mammals on Earth, is vulnerable to a series of dangers. An international team has established a guide to evaluate the condition of its health, ...

dateApr 07, 2015 in Ecology
shares1809 comments 0

Scientists say polar bears won't thrive on land food

A group of researchers say polar bears forced off melting sea ice will not find enough food to replace their current diet of fat-laden marine mammals such as seals, a conclusion that contradicts studies indicating ...

dateApr 01, 2015 in Ecology
shares12 comments 5

Using Twitter to probe political polarization

We'd like to believe that our opinions are nuanced, balanced, high-minded, wise and above all, unique, but alas they are not—or so says Twitter. Most often, those we engage with on the popular social media ...

dateMar 31, 2015 in Mathematics
shares46 comments 1