Warming temperatures appear to be driving genetic mutations in some polar bears to help them survive the shifting climatic conditions. When you purchase through links on our site, we may earn an ...

Scientists are solving the mystery of when diverged from their closest relative–the brown bear. By Laura Baisas Published Sep 15, 2024 8:00 PM EDT Deposit Photos Get the Popular Science daily ...

Researchers tracking wild polar bears in northern Canada have witnessed something exceedingly rare: a mother bear adopting a cub that was not biologically her own. The five-year-old mother bear and ...

On January 1, some hardy souls will greet the new year not by nursing a champagne hangover in bed, but by plunging into frigid water. In New York City, thousands of people participate in a seaside ...

With Christmas Day upon us, film fans will no doubt be drawing up their Christmas watchlists, and many are sure to put Robert Zemeckis's film The Polar Express right near the top. The 2004 movie, ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

Abstract: Studies of the optimal multiplier (or optimal step size) modification to the standard Newton-Raphson (NR) load flow have mainly focused on highly stressed and unsolvable systems. This paper ...

Polar bears are vital to Arctic ecosystems and cultures but face severe threats from climate change and habitat loss. Learn 10 fascinating facts about polar bears, including why they have white fur, ...

Abstract: We study the transmission properties of a guide consisting of a dielectric rod with rectangular cross section, surrounded by several dielectrics of smaller refractive indices. This guide is ...

One of the most attractive critters at the zoo splashes through frigid waters in transparent-white fur and black skin. These incredible creatures are polar bears, the beauties of the Arctic Circle.