Josef Albers’s “Homage to the Square: Glow,” 1966, from the Hirshhorn’s collection

>> This Saturday, the National Museum of American History celebrates Black History Month with a Family Day Celebration. Activities include book signings, sit-ins, a musical program and a genealogy project. 10 a.m. – 5:30 p.m.

>> On Feb. 11, the Hirshhorn presents Josef Albers: Innovation and Inspiration. Expect Albers’ signature geometric patterns and optical illusions pulled from the museum’s collection along with pieces on loan from the Josef and Anni Albers Foundation on view for the first time.

>> For a peak into life in Afghanistan, the Library of Congress will display over 50 letters written to Radio Free Europe/Radio Liberty. The letters come from all over the country and discuss living conditions, corrupt officials and prison reform. Some are illustrated with floral and animal designs reminiscent of an earlier tradition. Voices from Afghanistan opens Feb. 11 and will be on display on the first floor of the Library’s Thomas Jefferson building.

>> It’s all about the pheromones. Or is it? In The Odor of Love: Is Attraction All in the Nose? join scientist Johan Lundström to learn about the connections between the nose, the brain and attraction at the Koshland Science Museum. Feb. 11, 7 p.m. $30.