Calling all nature detectives! CNC has a mystery and we need your help to solve it! Test your observation skills as we venture out in search of subtle clues left behind by creatures that call the Nature Center home. All Ages, under 18 w/adult. Chippewa Nature Center, 400 S. Badour Rd., Midland. From 2 to 3 pm. Free Admission. Phone 989-631-0830.