Polar Bear

Gene Expression

Tag archives for Polar Bear

Of Polar Bears & People

I have pointed to the fact that mtDNA genetics has suggested that the polar bear is actually a derived lineage of brown bears. And, more specifically, that some extant lineages of brown bears share a more recent common ancestor with polar bears than other brown bears. In other words, brown bears are paraphyletic. Apparently there…

There are nearly 7 billion human beings in the world, so I guess it shouldn’t surprise us that there are adult women who decide to jump into a polar bear exhibit during feeding time. Right? When I saw this on CNN’s front page one word that described the photo would be “compelling.” If polar bears…