You want to make sure that a battery plugged in the wrong way, or a polarity mistake with your bench PSU doesn’t damage that hardware. It’s easy enough to plop in a diode for protection ...

Polar bears will be wiped out by the end of the century unless more is done to tackle climate change, a study predicts. Scientists say some populations have already reached their survival limits ...

How is climate change affecting polar regions? Climate change is amplified in the polar regions. The northern and southern reaches of the planet are warming faster than any area on Earth, with the ...

A substance that contains polar covalent bonds may not be overall polar. This is due to the shape of the molecule. Water molecules are polar molecules. Both of the bonds inside the molecule are ...

Scientists are piecing together when polar bears (Ursus maritimus) may have evolved some of the genes that separate them from brown bears (Ursus arctos). New genomic analysis reveals that they may ...

At the start of this century, the polar bear was the emblem of climate apocalypse. Protesters dressed as polar bears, while Al Gore’s hit 2006 film “An Inconvenient Truth” showed us a sad ...

But have you ever wondered what plants and animals live in a polar habitatand how they survive in the cold? Well, wrap up warm, we're off to the Arctic Circle to find out! Brrr… It looks really ...

A polar bear has killed a man in Norway's Arctic Spitsbergen island, local officials say. The attack occurred at a campsite near Longyearbyen, the main town of the island in the Svalbard archipelago.

Something big is happening to Earth’s climate, and the polar regions hold the key to understanding it. Join top scientists on the hunt for clues that tell a surprising story about our planet’s ...

Polar bears are the planet’s biggest land-based carnivores – although they actually spend most of their lives around water and ice (their Latin name means ‘sea bear’). So they’re at particular risk ...

China does continue to view the Arctic as an emerging area of political, economic and security interest, and perceives the Polar Silk Road, which includes the expansion of local economic ...