Anthrax is probably most closely associated with those bio-terrorism attacks in 2001. That’s when deadly, white powder was sent through the mail. But in Colorado this summer, anthrax has turned up in its natural state and killed more than 50 cattle on a number of different ranches near Sterling. To learn how anthrax finds its way into livestock, host Ryan Warner got in touch with Mary Stromberger. She’s a microbiologist at Colorado State University in Ft Collins.