Scientists make alarming discovery after studying polar bear blood samples: 'Things are changing'
A study published in the scientific journal PLOS One compared blood samples of polar bears in the Chukchi Sea from 1987 to ...
PBS1y
Biogeography: Polar Bears and Penguins:
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 ...
In the polar bear capital of the world, a community lives with the predator next door and loves it
Churchill is a remote Canadian town that not only lives with polar bears next door, but loves them. That's because the ...
PBS6y
Biogeography: Polar Bears and Penguins:
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 ...
Medicine Buffalo2y
Charlotte Lindqvist
She is an expert on the evolution of the polar bear, having co-led an international effort to sequence the genomes of the polar bear and brown bear. That study, published in 2012, suggested that polar ...
BBC2y
KS1 Science: Why did the brown bear evolve into the polar bear?
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 ...
Panda3y
WWF and polar bear hunting
The primary threat to polar bears is that the sea ice where they hunt is projected to shrink rapidly over the next few decades. Thousands of years of evolution have prepared polar bears for life on ...