Ruth book signing
She may remind you of your granny, but by now you should know that Dr. Ruth Westheimer is a "sexpert" - aka an expert on sex - if ever there was one. Stop by Barnes & Noble tomorrow to see her discuss her latest book, "Sexually Speaking: What Every Woman Needs to Know About Sexual Health." You might learn a few things. (Tuesday, 7 p.m., FREE, Barnes & Noble at 82nd & Broadway, 2289 Broadway, 212-362-8835, bn.com)
Adrian Villar Rojas' 'La Infancia de Cristo'
To kick off March, the World Financial Center will unveil a new site-specific outdoor sculpture by Argentinean artist Adrian Villar Rojas. The exhibit is presented in conjunction with the New Museum 2012 Triennial and will be on view through March 29. (Opens Thurs., daily, 8 a.m.-6 p.m., FREE, World Financial Center, 220 Vesey St., artsworldfinancialcenter.com/arts-events)
Leap Day Festivities
Take part in a worldwide celebration of Leap Day, Feb. 29. Spend the day outside as part of a GPS-powered treasure hunt known as Geocaching, which lets you explore your environment, get some exercise and earn a digital reward. More than 900 Geocaching events are scheduled in more than 30 countries around the world. Not really sure what we're talking about? Go to Geocaching.com for more info. (Wednesday, FREE, various New York locations, Geocaching.com)
'Art Now: Aesthetics Across Music, Painting, Architecture, Movies and More'
What does "art" mean to you? While the word can have many meanings for different people, this Wednesday Bard College president Leon Botstein discusses them all in a video lecture from the Floating University, presented at the New York Public Library, including a live Q&A afterwards. (Wednesday, doors at 5:30 p.m., first-come, first-served, FREE, New York Public Library, Stephen A. Schwarzman Building, 42nd St. and Fifth Ave., nypl.org)
'The Obama Presidency: A Look Behind the Scenes'
Get a peek into the Oval Office with this exhibit of 56 photos by Pete Souza, the official chief White House photographer. The shots span nearly two years of Barack Obama's presidency from September 2009 to May 2011. Through June 2. (Mon.-Sat., 10 a.m.-6 p.m., FREE, Schomburg Center, Latimer/Edison Gallery, 515 Malcolm X Blvd., 212-491-2040, schomburgcenter.org)
Phillip Lopate: Living in Brooklyn
Give your ears a treat with a chamber concert. Listen along as essayist Lopate joins Brooklyn Philharmonic concertmaster Deborah Buck and pianist Molly Morkoski to explore the borough's development through music. (Thurs., 6:30 p.m., FREE, Brooklyn Heights Public Library, 280 Cadman Plz. W.; Sun., 4 p.m., FREE, Dweck Center of Brooklyn Public Library's Central Library, 10 Grand Army Plz., bphil.org)