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 ...

The first astronauts to enter a polar orbit around Earth chose the obvious animal to serve as their zero-g indicator — a plush white *polar* bear ... of an emperor penguin embroidered on ...

The initial quick views of the Fram2 zero-g indicator did not clearly show its emperor penguin art embroidery or identify the polar bear doll's model or manufacturer. | Credit: SpaceX The Fram2 ...