Thursday 17

PILATES CLASS, for all ages and ability levels, a full-body mat workout to strengthen muscles, including abdominals, back, shoulders and hips, taught by physical therapist Leigh Roberts, sponsored by Long Reach Community Association, 7-8 p.m. Thursdays, through May 22, Stonehouse, Long Reach Village Center, 8775 Cloudleap Ct., Columbia. $63; preregistration required. 410-730-8113.

CHILDREN'S STORY TIME, for ages 2-5, "I Want to Be a . . . " series, by Priddy Bicknell, stories on careers as a builder, a ballerina, a princess and a firefighter, 10 a.m., Barnes & Noble Booksellers, 4300 Montgomery Rd., Ellicott City. Free. 410-203-9001.

Friday 18

LAUREL NATURE PROGRAM, for ages 5-7, "Metamorphosis!" learn how frogs, butterflies and other creatures change as they grow up, 3-4 p.m., Patuxent Research Refuge, North Tract, Route 198, between Baltimore-Washington Parkway and Route 32, Laurel. Free; preregistration required. 301-497-5887.

Saturday 19

BUNNIES AND CHICKS STORY TIME, for children ages 3 to second grade, "I Love You, Little One," by Nancy Tafuri; "It's Not Easy Being a Bunny," by Marilyn Sadler; and "Max's Chocolate Chicken," by Rosemary Wells, 11 a.m., Barnes & Noble Booksellers, 4300 Montgomery Rd., Ellicott City. Free. 410-203-9001.

REIKI FOR PETS, bring your pet for holistic healing, calming or relaxing treatment by second-degree practitioner Connie Rutter, 8-10 a.m. the first and third Saturdays of each month , East Columbia 50-Plus Center, 6000 Cradlerock Way, Columbia. $20; preregistration required. 410-313-7680.

Sunday 20

PHILOSOPHY BOOK GROUP, discussion of "The Matrix and Philosophy," by William Irwin, 4 p.m., Barnes & Noble Booksellers, 4300 Montgomery Rd., Ellicott City. Free. 410-203-9001.

Monday 21

EARTH DAY LIBRARY PROGRAM, for ages 6-9, in celebration of Earth Day, learn the difference between a rock and a crystal; take home a "pet rock," 2 p.m., Savage Branch Library, Gorman and Knightsbridge roads, Savage. Free. 410-880-5978.

NATURE PROGRAM, for ages 8-12, a hands-on, interactive program to learn about trees and how to identify them, 3:30-4:30 p.m., Patuxent Research Refuge, National Wildlife Visitor Center, off Powder Mill Road, between Baltimore-Washington Parkway and Route 197, Laurel. 301-497-5887.

QUILTING GROUP, join other quilters, work on your own project with guidance and advice from quilting specialist Rosemary Clark of RC Dream Quilts, 7-9 p.m. the third Monday of each month, Glenwood Branch Library, 2350 Route 97 (Roxbury Mills Road), Glenwood. 410-313-5577.

Tuesday 22

STEVENSON NATURE STORY TIME, for ages 7 and younger, a drop-in program, listen to tales about animals and other nature-related topics, presented by staff and volunteers, 2-2:45 p.m., Irvine Nature Center, 8400 Greenspring Ave., Stevenson. Free. 410-484-2413.

SENIORS PSYCHOLOGY TALK, "Healing Power of Forgiveness," a discussion led by social worker Barbara Schifter, plus coffee, a meeting of the Cultural Connection program, sponsored by the Jewish Federation of Howard County, 10 a.m.-noon Tuesday; other meetings 10 a.m.-noon the second and fourth Tuesdays of each month, Harmony Hall, 6336 Cedar Lane, Columbia. $2. 410-730-4976, Ext. 21.

GARDEN TALK, master gardener Carol McAlister discusses drought-tolerant plants, water conservation and products to buy or make to have a lush, colorful garden during a severe dry spell, 7 p.m., Glenwood Branch Library, 2350 Route 97 (Roxbury Mills Road), Glenwood. Free; preregistration required. 410-313-5577.

LITERARY BOOK GROUP, discussion of "Founding Brothers," by Joseph J. Ellis, 7 p.m., East Columbia Branch Library, 6600 Cradlerock Way, Columbia. Free; preregistration required. 410-313-7700.

STAINED-GLASS CLASSES, create a stained-glass item including a lantern, a box or a flat-panel lamp, 6:45-9:15 p.m. Tuesdays, through June 3; learn to cut, assemble and solder stained glass and learn copper foil techniques of constructing stained-glass windows, an introductory class, 10 a.m.-12:30 p.m. Wednesdays, through June 4, and 6:45-9:15 p.m. Thursdays, through June 5, Columbia Art Center, 6100 Foreland Garth, Long Reach Village, Columbia. Glass-items class, $125-$135; introductory class, $135-$145; materials included; preregistration required. 410-730-0075.

Wednesday 23

SENIORS INTERNET PROGRAM, learn to read, send and answer messages using e-mail, 11 a.m., Miller Branch Library, 9421 Frederick Rd., Ellicott City. Free; preregistration required. 410-313-1950.

COMMUNITY KNITTING GROUP, a drop-in program, knit and crochet afghans, blankets, baby clothes and more for local charities, hospitals and senior centers, sponsored by the Howard County Department of Recreation and Parks, 11:30 a.m.-1:30 p.m. the second and fourth Wednesdays of each month, Kiwanis-Wallas Recreation Center, 10481 Frederick Rd., Ellicott City. Free. 410-313-7279.

CATONSVILLE MOTHERS SUPPORT, for working and at-home mothers, discussion of needs and interests of women during their active parenting years and acknowledgment of work of mothers, sponsored by Mothers and More, Southwest Baltimore Chapter, 7 p.m. the second and fourth Wednesdays of each month, Immanuel United Church of Christ, 1905 Edmondson Ave., Catonsville. Free. 410-455-0498.

BOOKS SELECTION TALK, discussion of good books to read from a selection chosen by Howard County library staff, books available for borrowing, 11 a.m., Savage Senior Center, 9525 Durness Lane, Savage. 410-880-5990.

FUSED-GLASS JEWELRY CLASS, create three pins or three pairs of earrings and learn about properties of transparent, opaque and dichroic fusable glass, 6:45-9:15 p.m. Wednesdays, through June 11, Columbia Art Center, 6100 Foreland Garth, Long Reach Village, Columbia. $130-$140; preregistration required. 410-730-0075.

Thursday 24

REFUGE BIRD TOUR, for ages 16 and older, a guided tour with short walks to look for and identify birds in several habitats; field guides and binoculars recommended, 8:15-10:30 a.m., Patuxent Research Refuge, North Tract, Route 198, between Baltimore-Washington Parkway and Route 32, Laurel. Free; preregistration required. 301-497-5887.

COLLEGE PREPARATION PROGRAM, for adults and teenagers, guidance counselor Nora Scanlan discusses when and how to start searching for a college to attend, the importance of standardized tests, how to finance an education and what college officials like to see in applicants, 7 p.m., Miller Branch Library, 9421 Frederick Rd., Ellicott City. Free; preregistration required. 410-313-1950.

DEMENTIA EDUCATIONAL FORUM, "What You Might Not Know About Therapy and Dementia," occupational therapist Susan M. Paul discusses how physical, occupational and speech therapy can improve the quality of life for those with dementia, 6:30-8 p.m., Somerford Place, Alzheimer's Assisted Living, 8220 Snowden River Pkwy., Columbia. Free. 410-313-9744.

-- Compiled by Linda James

Items are accepted on a space available basis from public and nonprofit organizations only and must be received at least 14 days before the Thursday publication date. Submit information to Community Events, The Washington Post, 10490 Little Patuxent Pkwy., Suite 650, Columbia, Md. 21044. Include event name, dates, times, exact address, prices and a publishable contact phone number.