Sci Show: Narwhal tusks reveal mercury exposure related to climate change - Like rings in a tree trunk, a narwhal’s tusk provides a window into changing conditions in the Arctic

Wednesday, April 7, 2021

Narwhal tusks reveal mercury exposure related to climate change - Like rings in a tree trunk, a narwhal’s tusk provides a window into changing conditions in the Arctic

https://ift.tt/31Y2SDU via /r/science https://ift.tt/3dC9YDq

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