A first-ever analysis of the whole Greenland shark genome gives researchers a couple of clues to their longevity. When this Greenland shark was born, Leonardo painted the Mona Lisa. The species is the ...

The Arctic town where polar bears and humans live side by side 北极熊和人类彼此相邻的北极小镇 Episode 250120 / 20 Jan 2025 The town where signs remind you to be "bear aware" Most rainforests too degraded to provide ...