On the Cover

IOS.SCULP.149. Scale model of Saber-toothed cat mounted on wooden base. This model was used to create the recognizable donation box where guests can exchange a coin for a growl in the Museum's lobby. 

Photo by Rick Wicker

• Virtual program library, dmns.org/ondemand

• Print-at-home tickets for Planetarium, lectures and programs

• Reservations for member events

• Visiting tips and curated plans

• Membership renewals and purchases

• How to donate

Copyright info

"Catalyst," Issue 55. Photos and content ©2022 Denver Museum of Nature & Science, 2001 Colorado Blvd., Denver, CO 80205, unless otherwise noted • "Catalyst" is produced and published by the Denver Museum of Nature & Science for its members. • Address changes: [email protected] or 303.370.6306 (daily, 9–5) • IMAX is a registered trademark of the IMAX Corporation. • Denver Museum of Nature & Science exhibits and programs are made possible in part by the citizens of the Scientific & Cultural Facilities District. • Photography by Rick Wicker, Chris Schneider.