Coffee Conversations from 4-5:15 p.m. at Smith’s Starbucks. The community is invited to join a weekly conversation about reimaging education in Los Alamos. This week’s meeting topic is:  Students Making the Right Choices. More information at odysseylosalamos.weebly.com or k.holmes@laschools.net.


Gentle Walks at 9 a.m. at the Nature Center. A gentle walk for which the emphasis is on discovery, not mileage gained. Free. 


Fourth Friday Fractals at 7 p.m. at the Nature Center. See fractals in nature as a full-dome planetarium show! Cost is $10 for adults, $8 for children. 


Trick–or–Treat on MainStreet will haunt downtown Los Alamos at 4 p.m. on Central Avenue, between 15th to 20th streets. 


High Tech Halloween at the Bradbury Science Museum from 4-6:30 p.m. Interactive demonstration of a vacuum chamber, a simulated chain reaction using lights and optics and a “Critter Alley.”