Is climate change reducing the quantity and quality of Alaska's Dall sheep habitat? That's the hypothesis being tested by two researchers.
Dr. Kimberlee Beckmen, the sole veterinarian with the Alaska Department of Fish and Game, has investigated 48 tick infestations in the past three years. Shes found evidence that two exotic species are established and reproducing in Alaska.
Unlike some of its perpetually active neighbors on the Kamchatka Peninsula, Raikoke Volcano on the Kurile Islands rarely erupts. The small, oval-shaped island most recently exploded in 1924 and in 1778.
More than 13,000 stings were recorded in Queensland alone last week, with more than 2,500 people seeking treatment over the weekend, according to rescue organizations.
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