- Drones from the deep: Pentagon develops ocean-floor attack robots
- Michigan mayor slaps back atheists’ try to erect ‘reason station’ at city hall
- PHILLIPS: Where is the conservative establishment?
- 7.5-magnitude earthquake shakes southern Mexico
- ISTOOK: IRS “wants to throw us in jail,” says tea party leader
- Easter woes: Chocolate costs soar, becoming ‘unaffordable’ luxury
- Michaels craft chain confirms hackers hit 3M customers
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- Toronto Mayor Rob Ford thanks supporters at re-election campaign bash
Koshland Science Museum
Sixth and E streets NW. 10 a.m.-5 p.m. daily except Tuesdays. Closed Tuesday and holidays. Metro: Gallery Place-Chinatown or Judiciary Square. 202/334-1201. $3-$5.
• “Infectious Disease: Evolving Challenges to Human Health.” Ongoing.
• “Global Warming Facts and Our Future.” Ongoing.
• “Wonders of Science.” Ongoing.
2401 Foxhall Road NW. Guided tours 10:30 a.m. and 1:30 p.m. Tuesday-Friday. Open to public 10 a.m.-4 p.m. Saturday except holidays. $5 suggested donation. Reservations required. 202/338-3552.
• Permanent collection of 19th- and 20th-century paintings and sculptures.
Library of Congress
First Street and Independence Avenue SE. 202/707-4604. Madison Gallery, Madison Foyer and Current Events Corridor, 8:30 a.m.-9:30 p.m. Monday-Friday, 8:30 a.m.-6:30 p.m. Saturday. Thomas Jefferson Building exhibition area, 10 a.m.-5 p.m. Monday-Saturday. Other exhibition areas, 10 a.m.-5:30 p.m. Monday-Saturday. Closed Sunday and holidays. Metro: Capitol South.
• Public tours. 10:30 and 11:30 a.m., 1:30, 2:30 and 3:30 p.m. Monday-Friday; 10:30 and 11:30 a.m., 1:30 and 2:30 p.m. Saturday. Group tours available on request.
• “West Side Story: Birth of a Classic.” Celebrating the show’s golden anniversary. Foyer, Performing Arts Reading Room, LM 113, James Madison Building. 8:30 a.m.-5 p.m. Monday-Saturday. Through March 29.
• “Exploring the Early Americas.” The first exhibit in a series that merges interactive technology with the library’s collections. Rare books, manuscripts, historic documents, maps, paintings, prints and artifacts dating from 1500 B.C. to the early decades of the United States, drawn from the collection of Florida collector Jay I. Kislak. Includes the 1507 Waldseemuller World Map, the first map to use the name “America.” Audio-visual presentation and seven high-tech interactive displays. Northwest Gallery and Pavilion, Jefferson Building, 10 First St. SE. 10 a.m.-5 p.m. Monday-Saturday. Free. Ongoing.
201 S. Washington St., Alexandria. 10 a.m.-5 p.m. Monday-Saturday, 1-5 p.m. Sunday. Closed holidays. 703/838-4994.
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- Nancy Pelosi washes immigrants' feet in humble Holy Week act then promotes on Twitter
- U.S. Navy to turn seawater into jet fuel
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