Semitic Museum
Harvard University, 6 Divinity Ave., Cambridge. 617-495-4631. Mon. through Fri. 10 a.m.-4 p.m., Sun. 1-4 p.m. Free. Ongoing: Nuzi and the Hurrians: Fragments from a Forgotten Past; Ancient Cyprus: The Cesnola Collection; The Pyramids and the Sphinx: 100 Years of American Archeology at Giza.

Arthur M. Sackler Museum
485 Broadway, Cambridge. 617-495-9400. Mon.-Sat. 10 a.m.-5 p.m., Sun. 1-5 p.m. $5, seniors $4, students $3, under 18 and Sat. mornings free (includes admission to all three Harvard art museums); free to all Wed. Tours Mon.-Fri. at 2 p.m. Through 5/7: The Enlightened Eye: Gifts from John Goelet to the Harvard University Art Museums, Islamic, Asian, and European works. Through 4/30: Ben Shan's New York: The Photography of Modern Times, examination of the artist's experimentation with photography as social documentation includes over 150 photographs, ink drawings, easel paintings, mural studies, and relevant ephemera.

Peabody Museum of Archaeology and Ethnology
11 Divinity Ave., Cambridge. 617-496-1027. Mon.-Sat. 9 a.m.-5 p.m., Sun. 1-5 p.m. $5, seniors and students $4, ages 3-13 $3, free to all Sat. 9 a.m.-noon. Through 10/1/2001: Heads and Tails: Adornments from Africa, hats, hair adornments, headdresses, and sculptures. Ongoing: Hall of the North American Indian; The Art of Oceania; Ju/wasi, Bushmen of the Kalahari; Encounters with the Americas; The Raven and the Loon: Inuit Prints and Sculptures from the Chauncey C. Nash Collection.

Harvard Museum of Natural History
26 Oxford St., Cambridge. 617-495-3045. Mon.-Sat. 9 a.m.-5 p.m., Sun. 1-5 p.m. $5, seniors and students $4, ages 3-13 $3; Sat. 9 a.m.-noon, free. Closed major holidays. Through 5/14: Orchids: A Story of Seduction, explores how orchids lure insects and birds by using colors, shapes, scents, and flavors. Includes Sniff Station, slide-show of 125 orchid species, display of live orchids, and techniques for cultivating them. Ongoing: Exhibitions on the collections and research of the Botanical Museum, the Museum of Comparative Zoology, and the Mineralogical and Geological Museum including the glass flowers collection; a 1,600-pound amethyst geode from Brazil; and the world's only mounted kronosaurus, a 42-foot-long marine reptile.

Fogg Art Museum
32 Quincy St., Cambridge. 617-495-9400. Mon.-Sat. 10 a.m.-5 p.m., Sun. 1-5 p.m. $5, seniors $4, students $3, under 18 free; free to all Sat. morning and Wed. Closed major holidays. Through 3/26: The Shape of Content: The Stephen Lee Taller Ben Shahn Archive at Harvard, prints, drawings, and related ephemera by Ben Shahn culled from the collection of the late Stephen Lee Taller. Ongoing: American Art after 1950; The Art of Identity: African Sculpture from the Teel Collection. 2/26: 11:30 a.m., The Shape of Content: The Stephen Lee Taller Ben Shahn Archive, gallery talk by Jenna Webster, curatorial assistant, Dept. of Photographs. 2/27: 2 p.m., Ben Shahn's New York: The Photographs of Modern Times, gallery talk by Sarah Miller, curatorial intern at Busch-Reisinger Museum.

Busch-Reisinger Museum
Werner Otto Hall, Harvard University, Cambridge; enter through the Fogg Art Museum, 32 Quincy St. 617-495-9400. Mon.-Sat. 10 a.m.-5 p.m., Sun. 1-5 p.m. Closed major holidays. $5, seniors $4, students $3, under 18 free; free to all Sat. morning and all day Wed. General tours Mon.-Fri. at 1 p.m. Through 4/23: Landmark Pictures: Ed Ruscha/Andreas Gursky, comparative exhibit of these two artists, one American, the other German.

Bryn Mawr Book Store
373 Huron Ave., Cambridge. 617-661-1770. Tues.-Sat. 10 a.m.-5:30 p.m., Thurs. 10 a.m.-7 p.m. During Feb. all anthropology and Judaica books half price. Proceeds to New England scholarships.

Leap Year Dance Marathon
Dance Complex, 536 Mass. Ave., Cambridge. 617-547-9363. 2/26: 7 a.m.-7 p.m., workshops for all, from yoga to ballroom. Individual events $5, seniors and under 12 free. 2/26-2/27: 7 p.m.-7 a.m., dance-a-thon with live bands. $10 at the door or $50 in pledges. Proceeds benefit making building handicapped-accessible.

Black & White Ball
Ritz-Carlton Hotel, 15 Arlington St., Boston. 617-536-9640. 2/26: 8 p.m.-1 a.m. $75 advance, $85 at door. Silent auction, complimentary glass of champagne, music by the Ritz Roof Orchestra. Proceeds to the Junior League of Boston.

Midday Organ Recitals
Adolphus Busch Hall, Harvard University, Cambridge. 617-495-9400. 3/2-3/16, 4/6-4/27: Thurs., 12:15 p.m. Free. Recitals by members of Harvard Organ Society, Harvard faculty, Boston area organists.

MIT
Kresge Auditorium, MIT campus, Cambridge. 617-253-2826. Free concerts at 8 p.m. 2/25: Sonos. Piano quartets by Mozart, Dvorak; Shostakovich's Piano Trio in E Minor. 2/12: 4 p.m. Free. Chapel Concerts, Thurs., noon. Free. 2/24: Yun Zhang, pipa; Bobby Thwaits, yangqin. 3/2: John Whittlesey, baritone; James Busby, organ and harpsichord. Works by Bach, Campra, Thompson.

Harvard-Radcliffe Mozart Society
Paine Hall, Harvard University, Cambridge. 617-496-2222. 2/26: 8 p.m. $7, students and seniors $5. Robert Lehmann conducts works by R. Strauss; Mendelssohn's Symphony No. 4.

Belmont Open Reading
Payson Park Church, 365 Belmont St., Belmont. 617-484-4696, ext. 19. 2/27: 7:30 p.m. $6, students and seniors $4. Jane Flummerfelt conducts Haydn's The Seasons, open reading with soloists and orchestra. Singers welcome. Sponsored by Powers Music School.

Museum of Our National Heritage
33 Marrett Rd., Lexington. 781-861-6559. 2/27: 2 p.m. $6. Circle of Song performs early American music.

Thexx Splendid Century name of group
Friends Meeting House, 5 Longfellow Park, Cambridge. 617-628-2647. 2/26: 7:30 p.m. Donation $10.C.P.E. Bach and the Legacy of the Berlin Circle: Music at the Court of Frederick the Great in Berlin.MUSEUMS & LIBRARIES

Coro Stella Maris
978-281-8088. 8 p.m. $10, students and seniors $5. Gretchen Longwell Cooley conducts The Dance of Death: A Musical Consideration of Las Things, works by Lassus. 2/25: First Church in Wenham, Main and Arbor streets, Wenham. 2/26: Harvard-Epworth Church, 1555 Mass. Ave., Cambridge.

Boston Recorder Society
Lindsay Chapel, First Church Congregational, 11 Garden St., Cambridge. 617-323-2171, 978-281-6861. 2/27: 3 p.m. $12, students and seniors $8. Sarah Cantor, Eric Haas and Tricia van Oers, recorders; Jonathan Schakel, organ. Music from six centuries.

Synesthesia Unit
Killian Hall, MIT campus, 160 Memorial Drive, Cambridge. 617-629-4758. 2/25: 8 p.m. Free. Improvised opera with dance, projections of Ice Paintings by Masashi Harada.

Auros Group for New Music
Longy School, 27 Garden St., Cambridge. 617-323-3430. 2/26: 8 p.m. $15, students and seniors $10. Bartok's Sonata for Two Pianos and Percussion with guest Lisa Moore, piano; Webern's Quartet for saxophone, clarinet, violin and piano; Webern's Three Pieces for cello and piano, Three Songs with Elizabeth Keusch, soprano.

Boston Philharmonic
$12-$45, students and seniors $8-$41. Benjamin Zander conducts Britten's Simple Symphony; Barber's Knoxville: Summer of 1915 and Mahler's Symphony No. 4 with Jayne West, soprano. Pre-concert talks by Zander Sat. 6:45 p.m., Sun. 1:45 p.m. 2/26: 8 p.m., Jordan Hall, 30 Gainsborough St., Boston, 617-536-2412; 2/27: 3 p.m., Sanders Theatre, Harvard University, Cambridge, 617-496-2222.

The Comedy Studio at the Hong Kong
1236 Mass. Ave., Cambridge. 617-661-6507. Thurs.-Sun. 8 p.m. $5-$7. 2/24: Tim McIntire's Thursday Night Fights with guests Kyria Abrams and Jay Savage. 2/25: PS Absurdo, Eugene Mirman, Steve Calechman. 2/26: Steve Calechman, Kyria Abrams, Rick Jenkins, host. 2/27: 6 p.m., Sacrificing Virgins, 10 new comics; 8 p.m., Katie Grady, Tom Caswell. 3/2: Tim McIntire, Ira Proctor, Mike LaChance.

Zarjanka Russian Folklore Ensemble
Friends Meeting House, 5 Longfellow Park, Cambridge. 2/29: 7:30 p.m. $10, students and seniors $7. Dance, music and ritual games from Russian villages.

Jazz Tap Jam
Arlington Center for the Arts, 41 Foster St., Arlington. 781-863-5098. 2/27: 6 p.m. beginners' jam for new improvisers; 7 p.m. circle jam, solo improvisers. Suggested donation $5. Jamie Larowitz Sherman, host; live music.

Leap Year Dance Marathon
Dance Complex, 536 Mass. Ave., Cambridge. 617-547-9363. 2/26: 7 a.m.-7 p.m., workshops for all, from yoga to ballroom. Individual events $5, seniors and under 12 free. 2/26-2/27: 7 p.m.-7 a.m., dance-a-thon with live bands. $10 at the door or $50 in pledges. Proceeds benefit making building handicapped-accessible.

What Good Is Song? The Route to Roots
Marran Theater at Lesley College, 29 Everett St., Cambridge. 617-349-8579. 2/26: 8 p.m. Free. One-man show starring Lawrence Watson, singer, activist, and professor, Liberal Arts Dept. at The Art Institute of Boston at Lesley College.

Spirit of Sankofa
Sullivan Chamber, Cambridge City Hall, 795 Mass. Ave., Cambridge. 617-349-6155. 2/24: 5:30-9 p.m. Free. Storytelling, song, spoken word, sacred dance, poetry, and food. Performers include poet and freestyle rapper Byron Baynes, poet/playwright Gail Burton, artist/activist Dana Chandler, storyteller Joseph E. Greene, Cambridge-based poet Amatul Hannan, Union Baptist Church Choir and Sacred Dancers.

World Music at MIT
Wong Auditorium, Tang Center, 2 Amherst St., Cambridge. 617-258-7971. 3/12: 4 p.m., Jayanthi, veena, with Lalgudi Rjalakshmi, violin, and Armun Kumar, mridangam, $10-$15. Killian Hall, 160 Memorial Dr., Cambridge. 2/25: 617-629-4758, 8 p.m., Synesthesia Unit with Masashi Harada, piano; and David Frederick Hardy, digital transwave synthesizer; with guests on theremin and voice. Free. 3/3: 617-258-7971, 8 p.m., Ken Zuckerman, sarod, in North Indian classical program with Anindo Chatterjee, tabla. $10-$15. 3/12: 617-253-2826, 4 p.m., Faculty Concert: Evan Ziporyn with Hazardous Materials String Quartet from NYC. Original music by Ziporyn and John King. Free. 48 Mass. Ave., Cambridge. 617-253-2826. 3/11: 8 p.m., MIT Festival Jazz Ensemble and Jazz Combo with MITCAN (East African student ensemble), $2; 7 p.m. pre-concert lecture. Featuring world premiere by Mark Harvey.

Zarjanka Russian Folklore Ensemble
Songs, dances, and ritual games from Russian villages. Friends Meeting House, 4 Longfellow Park, off Brattle Street, Cambridge. 617-492-4510. 2/29: 7:30 p.m., $10, students & seniors, $7. Wesleyan University, Center for the Arts, World Music Hall, Middletown, Conn. 860-685-3355. 3/13: 8 p.m., $5. 3/14: 1 p.m., workshop in traditional Russian singing styles led by Irina Rospropova, free.

Lawrence Watson presents What Good is a Song? The Route to Roots
Lesley College, Marran Theater, 29 Everett St., Cambridge. 617-349-8579, 617-349-8574. 2/26: 8 p.m., free. Celebration of African-American musical expression. With Workforce 2000.

National Song & Dance Company of Mozambique
Sanders Theatre, 45 Quincy St., Cambridge. 617-876-4275, 617-931-2787, 617-496-2222. 3/17: 8 p.m., $18-$28. Presented by World Music.

Flying Tomatoes
Masonic Hall, Porter Square, 1950 Mass. Ave., Cambridge. 617-491-6083. 2/26: 8:15 p.m., $7, $5 students. Eastern European music for dancing.

Circle of Song
Museum of Our National Heritage, 33 Marrett Rd., Lexington. 781-861-6559. 2/27: 2 p.m., $6. Early American music to mark the final day of George Washington exhibit.

Altan
Music from County Donegal with Scottish influence. The Music Hall, 28 Chestnut St., Portsmouth, N.H. 603-436-2400. 3/16: 8 p.m., $23-$27, $16 under 21. Sanders Theatre, 45 Quincy St., Cambridge. 617-496-2222, 617-876-4275, 617-931-2787. 4/2: 7 p.m., $20-$25. Presented by World Music.

Sanctuary 2000
Maurine and Robert Rothschild Gallery, Radcliffe Institute for Advanced Studies, 34 Concord Ave., Cambridge. 978-462-8367. Through 3/17: Work created by members of the Women's Caucus for Art and the Bunting Fellows.

Decorative Arts and Antiques Show
Castle at the Park Plaza Hotel, 64 Arlington St., Boston. 877-346-KIDS. 2/25-2/26: 11 a.m.-8 p.m., 2/27: 11 a.m.-4 p.m. $10. Antiques, fine and folk art, paintings, collectibles, etc. Proceeds to the Boys & Girls Clubs of Boston.

Radcliffe Institute for Advanced Studies
Maurine and Robert Rothschild Gallery, 34 Concord Ave., Cambridge. 617-496-8212. Mon.-Fri. 9 a.m.-6 p.m., Sat. 1-5 p.m. Through 3/17: Sanctuary 2000, work by members of the Women's Caucus for Art and the Bunting Fellows.

Massachusetts Institute of Technology The Dean's Gallery,
Sloan School of Management, 50 Memorial Dr., Cambridge. 617-253-9455. Mon.-Fri. 9 a.m.-5 p.m. Through 3/15: In Time: Images of Plum Island, black and white photos by Emily Corbato. Hart Nautical Gallery, 55 Mass. Ave., Cambridge. 617-253-5942. Daily 9 a.m.-8 p.m. Ongoing: Deep Frontiers: Ocean Engineering at MIT; Ship Models: The Evolution of Ship Design. Strobe Alley, Building 4, 4th floor corridor, 77 Mass. Ave., Cambridge. 617-253-4629. Ongoing: Never Stop Learning: The Life and Legacy of Harold Edgerton, photographs, instruments, memorabilia.Building 7, Room 338, 77 Mass. Ave. 617-253-7334. Mon.-Fri. 9 a.m.-5 p.m. Through 3/31: Frank O. Gehry and Associates: Designing the Stata Complex at MIT, School of Architecture and Planning exhibit.

Harvard Divinity School Library
Harvard University, 45 Francis Ave., Cambridge. 617-495-5788. Mon.-Thurs. 8:30 a.m.-11 p.m., Fri. 8:30 a.m.-9 p.m., Sat., 9 a.m.-9 p.m., Sun. noon-11 p.m. Through 2/25: Household of Faith: Religious Artifacts in the Protestant Home, 30 black and white documentary photos by John Merrill. nu

Belmont Hill School
Landau Gallery, 350 Prospect St., Belmont. 617-484-4410. Mon.-Fri. 8 a.m.-5 p.m. Through 3/10: Abstract landscapes in clay and fiber by Dan Wiener and Jeanne Williamson.

Cambridge Public Library
449 Broadway, Cambridge. 617-349-4040. Mon.-Fri. 9 a.m.-9 p.m., Sat. 9 a.m.-5 p.m., Sun. 1-5 p.m. Free. Through 2/29: Cityscapes, photographs by Andrew Chen.

Stebbins Gallery
Zero Church St., Harvard Square, Cambridge. 617-576-0131. Sat. 11 a.m.-5 p.m., Sun. noon-4 p.m. Through 2/27: Greene Brothers, Bruce Greene, paintings; Bill Greene, photographs.

Sacramento St. Gallery
Agassiz Community Center, 20 Sacramento St., Cambridge. 617-349-6287. Mon.-Fri. 9 a.m.-5 p.m. Through 3/3: Traymore Street, photographs by Jessica Boyatt.

Mobilia Gallery
358 Huron Ave., Cambridge. 617-876-2109. Tues.-Fri. 11 a.m.-6 p.m., Sat. 10 a.m.-5 p.m. Through 3/4: New Jewelry and Collaborative Pieces, Jamie Bennett, Heather White.

Lexington Arts and Crafts Society
65 Water St., Newburyport. 978-465-8769. Tues.-Sun., noon-5 p.m. 2/26-3/8: Budding Artist Exhibit, artwork by middle school children ages 10-14. 2/27: 3-5 p.m. reception.

Gallery 79
79 Newbury St., Boston. 617-262-5918. Tues.-Thurs. 9:30 a.m.-6 p.m., Fri. 9:30 a.m.-4:30 p.m. Through 3/15: Relics from the Realm of Spirit, small mixed-media, icon-like pieces by Cambridge painter Julie Baer.

Gallery 57
City Hall Annex, 57 Inman St., Cambridge. 617-349-4389. Mon.-Fri. 8:30 a.m.- 5 p.m. Through 3/10: Small Encounters: Paintings of Cambridge & Boston, Eugene Dorgan. nu

Depot Square Gallery
1837 Mass. Ave., Lexington. 781-863-1597. Tues.-Sat. 10 a.m.-5:30 p.m., Sun. noon-4 p.m. Through 2/27: Inner Landscapes, mixed media by Sirarpi Heghinian Walzer. nu

Carpenter Center for the Visual Arts
24 Quincy St., Cambridge. 617-495-3251. Mon.-Fri. 9 a.m.-11 p.m., Sat.-Sun. noon-11 p.m. 2/28-3/20: work by Claes Oldenburg, Coosje van Bruggen, Charles Ray, Robert Wilson.

Arlington Center for the Arts
Gibbs Gallery, 41 Foster St., Arlington. 781-648-6220. Mon.-Fri. 9 a.m.-6 p.m. Through 3/24: Females You Can Only Imagine, Joan Baldwin, Mary Craig McLane.

Harrison Gray Otis House
141 Cambridge St., Boston. 617-227-3956. Wed.-Sun. 11 a.m.-4 p.m. $4, seniors $3.50, students $2, Boston residents free. One of Boston's last 18th-century, freestanding townhouses, designed by Charles Bulfinch.

Orchard House
399 Lexington Rd., Concord. 978-369-4118. Mon.-Fri. 11 a.m.-3 p.m., Sat. 10 a.m.-4:30 p.m., Sun. 1-4:30 p.m. $6, seniors and college students $5, ages 6-17 $4, under 6 free. Guided tours of the home of the Alcotts, including Little Women author Louisa May Alcott.

Historic Gore Estate
52 Gore St., (off Rte. 20), Waltham. 781-894-2798. Open by appointment through 4/15. $5, seniors and students $4, children ages 5-12 $3, under 5 free. Federal brick mansion built in 1805; 45 acres of lawns, gardens, and farm fields.

Per-song-ified- Six Women In Song
Blacksmith House, 56 Brattle St., Cambridge. 617-547-6789. 2/26: 8 p.m., $5. New voices in cabaret, directed by John O'Neil and Doug Hammer.

Jazz Tap Jam
Arlington Center for the Arts, 41 Foster St., Arlington. 781-863-5098. 2/27: 6 p.m, Beginners' Jam; 7 p.m., Circle Jam/Solo Improvisors, $5 suggested donation. Hosted by Jamie Larowitz Sherman with Mark Kross, piano, and Dave Whitney, trumpet.

Filet of Soul
VFW Club, 288B Green St., Cambridge. 617-703-0344. 2/25: 9 p.m.-1 a.m., $5. Featuring vocalist Aronda Way, with poetry readings and art exhibits.

Brian De Lorenzo
Blacksmith House, 56 Brattle St., Cambridge. 617-247-9192. 3/4: 8 p.m., with Robert Saoud, $12; 3/10: 8 p.m., with Nicole Kempskie, $12. Doug Hammer, piano. Featuring lesser-known Broadway songs and duets.

Dave Brubeck Quartet
With Bobby Militello, reeds; Alec Dankworth, bass; Randy Jones, drums. Jorgensen Auditorium, University of Conn., 2132 Hillside Rd., Storrs, Conn. 860-486-4226. 3/3, 3/4: 8 p.m., $15-$25, discounts for students and seniors. Cabaret setting.45 Quincy St., Cambridge. 617-876-7777. 3/5: 7:30 p.m., $24.50-$29.50, reserved seating.

Ritz-Carlton Hotel
15 Arlington St. 617-536-5700. No cover. Proper dress.Ritz Bar: Mon.-Sat. 6-11:30 p.m., pianist John Domurad.Ritz Lounge: Fri.-Sat. 9:30 p.m.-12:30 a.m., Ron Zack Trio.

Linwood Grill
69 Kilmarnock St. 617-267-8644. Casual dress. Entertainment from 10 p.m. $5 cover except as noted. 2/24: Spek, Volition. 2/25: Nervous Eaters, Terri Bright. 2/26: Cheerleadr, Waltham, CrackTorch.

Kinsale Irish Pub & Restaurant
2 Center Plaza, Cambridge Street, Government Center. 617-742-5577. No cover. Entertainment Mon.- Wed. from 7:30 p.m., Sat. 9:30 p.m., Sun. noon. 2/26: McLoughlin Brothers. 2/27: Tom Courtney. 2/28: Patrick Hoye. 2/29: Symbolics. 3/1: Brehan Law.

WordsWorth Books Author Events
617-354-5201. Free. WordsWorth Reading Room, 3rd Floor, 30 Brattle St., Harvard Square, Cambridge. 2/24: 6 p.m., Simson Garfinkle (Database Nation: The Death of Privacy in the 21st Century). Brattle Theatre, 40 Brattle St., Cambridge. 3/2: 5:30 p.m., E. L. Doctorow (City of God). Cambridge Public Library, 449 Broadway. 2/24: 6 p.m., Thomas Cahill (Desire of the Everlasting Hills).

Women Reading
Sanctuary, Arlington Street Church, 351 Boylston St., Boston. 617-371-7124. 2/25: 7:30 p.m., sign-up; 7:45 p.m., program. Open mike format for women reading in all genres, hosted by Deborah Repplier and Claire Robson. Feature, local writer Irene Glassman. $3, proceeds to the church.

Stone Soup Poetry
617-227-0845. Zeitgeist Gallery, 312 Broadway, Cambridge. Mon. at 7:30-10:30 p.m. $3 donation. Weekly open readings with features. 2/28: Youth Night, Jack, Dre', Kol & Friends.

Poetry at Out of the Blue Gallery
168 Brookline St., Cambridge. 617-354-5287. 2/26: 8 p.m., Open Mike Poetry, music by Morrighan Productions. Donations appreciated.

New Words Bookstore
186 Hampshire St., Inman Square, Cambridge. 617-876-5310. Free. 2/24: 6 p.m., Eli Clare (Exile and Pride: Disability, Queerness, and Liberation).

MIT Readings
Free.MIT E25-111, 45 Carleton St., Cambridge. 617-253-5249. 2/24: 5:30 p.m., Joyce K. Fletcher (Disappearing Acts: Gender, Power, and Relational Practice at Work).

Harvard Coop Author Series
Level Three, Harvard Square Coop, 1400 Mass. Ave., Cambridge. 617-236-7421. Free. 3/2: 7 p.m., Victoria Cass (Dangerous Women: Warriors, Grannies and Geishas of The Ming).

Harvard Book Store Author Events
617-661-1515. Free. Harvard Book Store, 1256 Mass. Ave., Cambridge. 2/25: 3 p.m., Jeanne Guillemin (Anthrax: The Investigation of Deadly Outbreak). 2/25: 6:30-8 p.m., Samantha Cheung (Hunger). Arthur Sackler Museum, Lecture Hall, 485 Broadway, Cambridge. 2/29: 6 p.m., Sherwin B. Nuland (The Mysteries Within: Sad Spleens, Happy Hearts, and Other Myths of the Body). Free, but tickets required.

The Boston Slam
Cantab Lounge, Downstairs, 738 Mass. Ave., Cambridge. 617-354-2685. Wed.: 8 p.m. Open mike with feature followed by a slam. $3.

Blacksmith House Poetry Series
Cambridge Center for Adult Education, 56 Brattle St., Harvard Square. 617-547-6789, ext. 1. 2/28: 8:15 p.m., Carl Phillips and Susan Hahn. Free.

Watertown H.S.
Class of 1980, 617-923-4140, 617-489-1708. Nov. reunion planned.

Brighton H.S.
Class of 1950, DoubleTree Guest Suites, Waltham. 781-396-0943. 9/22.

Radcliffe Pitches featuring The Din and Tonics
Sanders Theatre, 45 Quincy St., Cambridge. 671-496-2222. 2/25: 8 p.m. 25th anniversary concert of all-female a cappella group singing jazz, swing, Motown, contemporary.

Chorallaries Nthcq?? MDRV yes, MIT humor/at Annual Concert in Bad Taste
MIT, 77 Mass. Ave., Rm. 10-250, Cambridge. 617-225-6504. 3/4: 11:59 p.m., free. A cappella ensemble performs original music and parodies.

Amnesty International Benefit Concert
Unitarian Universalist Church, 630 Mass. Ave., Arlington Center. 617-492-7828. 2/25: 8 p.m., $10 suggested donation. Featuring David Maxwell, Barrence Whitfield & the Savages, Franc Graham, and Dave Herlihy.

Newton Corner Branch Library,
126 Vernon St. 617-552-7157. Tues.: 2:15 p.m., story time for ages 2-4. Lucius Beebe Memorial Library Main St., Wakefield. 781-246-6334. Free. Watertown Free Public Library 123 Main St., Watertown. 617-972-6435. Free. Watertown Library East Branch 481 Mt. Auburn St. 617-972-6435. Wayland Free Library 5 Concord Rd., Wayland. 508-358-2311. Free. Weston Public Library 87 School St., Weston. 781-893-3312.

Theater Workshops
Free. Registration required for most programs. Copley Square, Central Branch Boston 617-536-5400. 2/25: 11 a.m. and 1:15 p.m., Lift Up Your Voices and Sing, Black History Month program with Janice Allen. 2/27: 1:30 p.m. for ages 6-9 and 3:30 p.m. for ages 9-12: Matter of Fact, workshops introducing children to the building blocks of the universe through hands-on fun, discussions and demonstrations; registration required. Adams Street Branch, 690 Adams St., Dorchester. 617-436-6900. 2/24, 2/29 and 3/2: 3 p.m., chess instruction. 3/1: 3:30 p.m., reading readiness program for ages 3-5. Brighton Branch, 40 Academy Hill Road, Brighton. 617-782-6032. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Wed.: 4 p.m., creative drama, storytelling ages 6-11. 2/24: 7 p.m., Jorge Arce of the band Humano does one-man show on Afro-Caribbean culture. Charlestown Branch, 179 Main St., Charlestown. 617-242-1248. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Tues.: 10:30 a.m and 3:30 p.m., stories and films. Wed.: 11 a.m., toddler story time for ages 2-3. Fri. 10 a.m., story hour for ages 3-5. Codman Square Branch, 690 Washington St., Dorchester. 617-436-8214. Tues., Thurs.: 3 p.m., homework help for grades 3-8. Wed.: 10:30 a.m., tales for 2-year-olds (with adult). Fri: 10:30 a.m., short films for ages 3-6; 3 p.m., Funnybones Reading Club for ages 11-14. Through 2/25: 2 p.m., Black History Month film series. 2/29: 10:30 a.m., Mother Goose Time stories and songs for ages 12-23 months with adult. Connolly Branch, 433 Centre St., Jamaica Plain. 617-522-1960. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Wed.: 10:30 a.m., short films: How Many Days to America, Little Tim and the Brave Sea Captain, The Mole and the Rocket, and Frog on His Own. Thurs.: 4:15 p.m., creative drama for ages 6-11. 2/28: 6:30 p.m., Black History Month pajama story time for families by Afro-American authors. Dudley Branch, 65 Warren St., Roxbury. 617-442-6186. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Tues.: 10:30 a.m., films for preschoolers. East Boston Branch, 276 Meridian St. 617-569-0271. Mon., Thurs: 3:30-5 p.m., homework help for grades 3-8. Wed.: 10:30 a.m., preschool story hour. Fri.: 10:30 a.m., children's films. 2/24: 3 p.m., stories and songs with Valerie Stephens. Egleston Square Branch, 2044 Columbus Ave., Roxbury. 617-445-4340. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Mon.: 10:15 a.m. and 11 a.m., preschool films and stories. Thurs: 4 p.m., Young storycatchers book group for ages 8-12; preregistrtion required. 2/24: 6:30 p.m., Derek Burrows tells stories from Caribbean, Latin America, and Africa. Faneuil Branch, 419 Faneuil St., Brighton. 617-782-6705. Mon., Tues.: 3:30-5 p.m., homework help for grades 3-8. Tues.: 10:30 a.m., toddler story time. Wed.: 10:30 a.m., story time for ages 3-5. 2/24: 7 p.m., Pajama Storytime. 2/25: 3 p.m., African and Caribbean music with Alice Johnson and Andy Holiner. 2/26: 11:30 a.m., celebration of Afro-Caribbean culture with Jorge Arce. Grove Hall Branch, 5 Crawford St., Dorchester. 617-427-3337. Mon., Tues.: 3:30-5 p.m., homework help for grades 3-8. Thurs.: 10:30 a.m., films for preschoolers. Hyde Park Branch, 35 Harvard Ave., Hyde Park. 617-361-2524. Tues., Thurs.: 3:30-5 p.m., homework help for grades 3-8. Jamaica Plain Branch, 12 Sedgwick St., Jamaica Plain. 617-524-2053. Wed.: 10:30 a.m., story time for ages 18-36 months. 3/1: 4 p.m., Kid's Club stories, crafts, booktalks for ages 6-10. Lower Mills Branch, 27 Richmond St., Dorchester. 617-298-7841. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Mattapan Branch, 10 Hazelton St. 617-298-9218. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Mon.: 6 p.m., pajama story time. Tues.: 10:30 a.m., preschool story time. Fri.: 10:30 a.m., preschool videos. 2/24: 3:30-5 p.m., chess instruction. North End Branch, 25 Parmenter St., Boston. 617-227-8135. Mon.: 11 a.m., preschool films: Abiyoyo, Anansi the Spider, and Bringing Rain to Kapiti Plain. 2/25: 11 a.m., Black History Month stories, tales and songs with Valerie Stephens. Orient Heights Branch, 18 Barnes Ave., East Boston. 617-567-2516. Tues.: 10:30 a.m., preschool story time. Wed.: 10:30 a.m., toddler story time. 2/24: 3:30 p.m., movies for kids 6-12. South Boston Branch, 646 E. Broadway. 617-268-0180. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Fri.: 3:30 p.m., children's story hour. 2/26: 10:30 a.m., The History and the Adventures of Tom Thumb, comedy theater performance. South End Branch, 685 Tremont St., Boston. 617-536-8241. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. Mon.: 10:30 a.m., preschool story time. Tues.: 10:30 a.m., children's films. Thurs.: 5:15 p.m., creative drama for children. 2/24: 2 p.m., Map and Compass Program. Uphams Corner Branch, 500 Columbia Road, Dorchester. 617-265-0139. Mon., Wed.: 3:30-5 p.m., homework help for grades 3-8. 2/25: 2 p.m., Black History Month Scavenger Hunt for children up to age 14. 2/29: 3:30-5 p.m., chess instruction. West End Branch, 151 Cambridge St., Boston. 617-523-3957. Wed.: 10:30 a.m. and 3:30 p.m., preschool story time. Fri.: 10 a.m., preschool films. West Roxbury Branch Library, 1961 Centre St., West Roxbury. 617-325-3147. Mon., Wed.: 3 p.m., homework help for grades 3-8.

Oh the Places You'll Go!
Collins Branch, Cambridge Public Library, 64 Aberdeen Ave., Cambridge. 617-349-4021. 3/2: 6:30 p.m. Free. Classic Dr. Seuss tale performed by poet Larry Jay Tish, mime Marty Levin, and violinist Peter Hughes.

Cocoa-House and Interactive Improv
Improv Boston, 1253 Cambridge St., Cambridge. 781-245-4819. 2/27: 1 p.m. $7 advance, $10 at door. For children ages 3-11. Sponsored by Pocket Full of Tales Theatre Co.

Harry Potter Fair
Cambridge Main Library, 449 Broadway, Cambridge. 617-349-4038. 3/1: 3:30 p.m. Games, bean toss, trivia contest, crafts. Free. Presented by the Bookworms book group of children ages 8-10.

Twelfth Night
Laurie Theater, Spingold Theater Center, Brandeis University, Waltham. 781-736-3400. Through 2/27: Fri., Sat. 8 p.m.; Thurs. 10 a.m. and 8 p.m.; Sun. 2 and 7 p.m. $9.50-$13.50. Shakespeare comedy. DINNER THEATERS

Lost in Yonkers
Hill Kraft Auditorium, Belmont Hill School, 350 Prospect St., Belmont. 617-484-4410, ext. 171. 2/25-2/26: 8 p.m. $2. Neil Simon play presented by students from Belmont Hill School and the Windsor School. COLLEGES

Magicians & Spirits
Green Street Grill, 280 Green St., Cambridge. 617-876-1655. Tues.: 9 p.m., random acts of magic at the bar; 10 p.m., cabaret show. $10. Weekly appearances by magicians.

American Repertory Theatre
617-547-8300. Loeb Drama Center, 64 Brattle St., Cambridge. Through 3/19: Full Circle, by Charles L. Mee, based on a Chinese fable, set in 1989 Europe after the fall of communism. $24-$57. Call for times.