Natural nanotech anticancer drug

Sanguinarine is a natural product, a chemical made by certain plants including the bloodroot plant (Sanguinaria canadensis), the Mexican prickly poppy (Argemone mexicana), Chelidonium majus, and Macleaya cordata. It is a ...

Polar bear diet changes as sea ice melts

A series of papers recently published by scientists at the American Museum of Natural History suggests that polar bears in the warming Arctic are turning to alternate food sources. As Arctic sea ice melts earlier and freezes ...

Feds designate polar bear habitat in Alaska

(AP) -- The Obama administration said Thursday it is designating more than 200,000 square miles in Alaska and off its coast as "critical habitat" for polar bears, an action that could add restrictions to future offshore ...

Black bears may play important role in protecting gray fox

Bears are known for being devoted and protective of their baby cubs, but research from the University of New Hampshire shows that they may also play a significant role in shielding gray fox from predators like coyotes, who ...

Sea stars: The benthic equivalent to the polar bear

A national research group led by researchers at the University of Manitoba has shown that polar bears share the position of top predator of the coastal Arctic marine ecosystem with seastars.

page 26 from 40