Meredith Schneider

A family reunion’s bear feast turned into a medical disaster, thanks to some parasitic worms. In a recent paper, scientists with the Centers for Disease Control and Prevention detail how the family caught trichinellosis from contaminated bear meat that wasn’t cooked thoroughly enough. Several family members became so…
Joe Raedle/Getty Images)

Incredibly intelligent. Jaw-droppingly massive. Able to elude predators by burrowing for hours under the snow in freezing temperatures.