The world’s polar bear population is projected to decline by two-thirds by 2050. A new study from the University of East Anglia suggests that polar bears are undergoing rapid genetic changes, and ...

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 ...

Align Technology, Inc. engages in the design, manufacture, and market of orthodontics, restorative, and aesthetic dentistry products. It operates through the Clear Aligner, and Scanner and Services ...

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 ...