Invasion of the Zombie Elk — Chronic Wasting Disease Spreading Fast, Nearing Yellowstone Herds

(EnviroNews Nature) — In the late 1980s, farmers in Great Britain started to notice their cows stumbling around, acting strangely and losing weight. The problem got continually worse, until in 1993, more than 36,000 cattle in the UK died in a single year from mad cow disease. Prior…