Her research uses genomics to understand speciation processes, polyploidy events and hybridization in both animals and plants. She is an expert on the evolution of the polar bear, having co-led an ...

Why does the Arctic have polar bears and Antarctica penguins? These patterns impressed Darwin deeply. To him, they argued that species arose in single centers by descent with modification from ...

more and more bears were born that were white and they could all catch seals more easily. POLAR BEAR 1: Hic! Delicious! POLAR BEAR 2: Yummier than fish any day. GRANDDAD: And now they're called ...

It’s a big world out there, especially for polar bear cubs emerging from their dens. An international team of researchers observed these special first steps thanks to nearly a decade of camera ...

If polar bears or a closely related subspecies thrived ... to shifting environments and how climate change shaped their evolution. The research team plans to conduct further DNA analysis to ...