Karley was diagnosed with Lyme disease. Her mother was told a tick bite was the likely cause. Just as we caught it, she was also developing Bell's Palsy, which was on the left side of her face, said Shields. The condition can cause one side of the face to droop. It would traumatizing for any person, but especially a 10-year-old.

Climate change is keeping temperatures higher in the fall, setting up browntail-moth caterpillars to boom in summer. Their hairs are barbed and hollow and there’s a reservoir of a toxin inside.

On an Alaskan island, one of nature’s greatest spectacles is shutting down, as brown bears abandon fish in favor of a surprising alternative.

“Local rainfall amounts of 50 inches would exceed any previous Texas rainfall record. The breadth and intensity of this rainfall are beyond anything experienced before,” said a statement from the National Weather Service. “Catastrophic flooding is now underway and expected to continue for several days.”

The parasite that causes rat lungworm disease is now endemic in the southeastern United States, and it’s expected to spread northward.

Melted permafrost that exposed an infected reindeer carcass is believed to have resulted in the cases that killed a 12-year-boy and sickened eight others.