40 years of planning in the Capital District. S. Thyagarajan FIIA, AICP (“Thyag”), former longtime adjunct professor of Urban and Regional Planning at the University at Albany and Executive Director of CDRPC from 1972-1980. A luncheon presentation will be held at the National Register-listed University Club at 141 Washington Avenue at Dove Street. 12 p.m.

Night Sky Adventure. Museum of Innovation and Science, 15 Nott Terrace Heights, Schenectady, NY 12308. Great American eclipse. How can you safely observe the eclipse here in the Capital Region? Join us to find out! 8 p.m.

Antlions: Ferocious Creatures in the Sand. 1 to 2:30 p.m. Discover the amazing world of antlions; a secretive insect in the Pine Bush. We will walk approximately one mile to explore antlion pits and investigate antlion larvae up close. All ages. Albany Pine Bush Discovery Center, 195 New Karner Road, Albany, NY. $3 per person/$5 per family/Children under 5 yrs free. Registration required. 518-456-0655 or visit www.AlbanyPineBush.org/events.

Honeybees Are Buzzin' at Thacher Nature Center 2 p.m. Summertime brings flowers and a hive packed with activity! Come and learn all about honeybees as you view the colony in our indoor observation hive. See the busy workers, the specialized drones and the ever-important queen bee in action! 518-872-0800.

Physics & Physicists and What they Do. Speaker Guenther Langner is the inventor or co-inventor of 17 patents. Presented by The Capital District Humanist Society. Refreshments at 12:30; program at 1:15 p.m. Room 224, Campus Center, Sage Colleges Albany Campus New Scotland Ave. at Academy Road, Albany Admission: Free.

Batty for Bats. 7:30 to 9 p.m. Are bats really blind? Participants must provide their own transportation. We will use technology to help us detect any of the five species of bats that live in the preserve. Ages 6+. Albany Pine Bush Discovery Center, 195 New Karner Road, Albany. $3 per person/$5 per family. Registration required. 518-456-0655 or visit www.AlbanyPineBush.org/events.

The Buzz of the Pine Bush Bees. 12:30 to 2 p.m. Introduction to these native beauties and then examine them on the trail during a hike. Depending on how many bees we stop to look at, we could hike as much as 0.9 miles. All ages. Albany Pine Bush Discovery Center, 195 New Karner Road, Albany. $3 per person/$5 per family/Children under 5 yrs free. Registration required.

Is that a weed? The New York Capital District Christian's Women's Connection Luncheon is 11:30 a.m. to 1:30 p.m. at the Guilderland Elks Lodge 3867 Rte 146 (Carman Road), Guilderland. 518-355-2480. Peter Bowden, from Hewitts Garden Center will be giving fall gardening tips. $15.

THIS EVENT HAS BEEN CANCELED: Vacation Bible School. First United Methodist Church of Voorheesville, Aug. 7 to 11, 9 to 11 a.m. Learn about what it means to be a good neighbor. Participate in dramas, join together in singing, doing crafts, and playing games,  and use laptops and tablets to help in learning. ages 3-12. 68 Maple Avenue, Voorheesville, NY 12186.  518-765-2895.

Free baseball summer camp hosted by the Albany County Recreation Department. Open to all county youth ages 7-13 and all equipment except for baseball gloves will be provided. Registration: August 7, at 8:30 a.m. or download forms at http://www.albanycounty.com. The camp will be Aug. 7 to 18 from 9 a.m. to noon at the Clayton A. Bouton High Satellite Field, 479 New Salem Road in Voorheesville. (518) 447-7948.