“Science and Art through ‘Burchfield Botanicals’”will be the topic of a Science Cafe to be held from 6:30 to 8 p.m. Tuesday, Sept. 23 at the Buffalo and Erie County Botanical Gardens, 2655 South Park Ave., Buffalo. Tullis Johnson, curator and manager of Archives at the Burchfield Penney Art Center, will give a presentation intersecting science and art through the works of Charles E. Burchfield. The event includes light refreshments, beer and wine. A mini-tour of the Botanical Gardens follows…