OpenAI CEO Sam Altman has refused a buyout offer from Tesla founder Elon Musk with a curt “no thank you” on X, marking the latest episode in an ongoing feud between the two tech billionaires.

The musk ox population on the Zavyalov Island is the southernmost in Eurasia. It has formed since 2018, when the first batch of Arctic animals was brought to the island in the Magadan Region.