2021-04-10, 22:16
Narwhal Tusks Tell a Troubling Tale
An analysis of the 10-foot-long teeth shows that as the Arctic warms, narwhal diets are changing, and their bodies are accumulating more mercury.
https://www.wired.com/story/narwhal-tusk...bling-tale
An analysis of the 10-foot-long teeth shows that as the Arctic warms, narwhal diets are changing, and their bodies are accumulating more mercury.
https://www.wired.com/story/narwhal-tusk...bling-tale