Friday, April 17, 9 a.m.-4 p.m. All About Tracks at the CU Museum of Natural History. We'll immerse ourselves in "Steps in Stone, Walking through Time", our interactive exhibit on fossilized tracks. Then we'll move from the past into the present and explore how to identify tracks and other signs that animals leave behind. Dress for the weather becasue we'll be outside for part of the day. Morning and afternoon snacks will be provided, but please bring a sack lunch. $60 preregistration required (10% for CU employees/students) 303-492-1666.