Did you know that when people spend at least 20 minutes in nature, it can lower their heart rate and blood pressure, decrease cortisol levels, boost mood, and improve creativity flow? Nature can have a calming effect on nervous systems. Join First 5 Mendocino for walks every fourth Friday. The Friday, June 27 theme is “Noticing Opposites in Nature.” 9 a.m. Observatory Park. 400 block of Observatory and Luce Ave., Ukiah. Email [email protected] to reserve a spot.