Learn about botanical art and pioneering female scientists and artists like Maria Sibylla Merian, Marianne North and Rachel Ruysch during a virtual lecture presented by London Drawing Group. The class, which will be taught by the artist Luisa-Maria MacCormack and is the first of a three-part series, will delve into the history of women in botanical art, guide attendees through sketching their own pieces and teach basic watercolor techniques. Viewers are encouraged to come prepared with a variety of plants — such as leaves, dried flowers or houseplants — a selection of paintbrushes and watercolor paints. This event is free to attend, but a $20 donation is suggested. Registration is required, and attendance is capped at 500.
When 1:30 p.m.
Mix cocktails, enjoy a D.J. set and watch a live discussion on the climate crisis in a program presented by the radio station KCRW and the National History Museum of Los Angeles County. Elle Nucci, the owner of an event planning and catering company, will teach viewers how to create a “Central Avenue” drink at home, and the radio host and D.J. Francesca Harding will spin before a conversation between Leah Thomas, an environmental activist, and Nick Shapiro, an assistant professor of biology and society at U.C.L.A., moderated by Knatokie Ford, a biomedical scientist and founder of Fly Sci Enterprise. Brittney Parks, the songwriter and violinist who records as Sudan Archives, will close out the evening with a musical performance. This event is free to attend.
When 9 p.m.
Where nhm.org/first-fridays and YouTube
Watch a round-table discussion on language revitalization and reclamation as part of the Mother Tongue Film Festival presented by the Smithsonian’s National Museum of Natural History, National Museum of the American Indian and Center for Folklife and Cultural Heritage in collaboration with the Endangered Languages Project. The conversation will be moderated by the Smithsonian curator Mary Linn and will include commentary from Ruben Reyes, a director of the film “Garifuna in Peril,” and Kari Chew, the project lead for Growing the Fire Within, an initiative dedicated to revitalizing Indigenous languages for adults. Captioning and A.S.L. interpretation will be provided for this free event.
When 1 p.m.
Where mothertongue.si.edu/ and Facebook
Spend the evening watching “Wojnarowicz,” a documentary about the artist David Wojnarowicz and the ways his art and life were affected by the AIDS epidemic. Glenn Kenny, writing in The New York Times, called the movie “exemplary.” The film is available to stream online from Film Forum in New York, and screenings are good for 48 hours from the time you start viewing. Tickets cost $12.