LIBRARY STORY TIME, for children 3 and older and their parents, 10 a.m. and 11 a.m., East Columbia Branch Library, 6600 Cradlerock Way, Columbia. Free; preregistration required. 410-313-7786.
LAUREL REFUGE WALKING TOURS, for children 12 and older, a 45-minute guided hike, learn how wildlife and their habitats are maintained, 11:30 a.m. and 2 p.m. Saturday and 1:30 p.m. Sunday, Patuxent Research Refuge, National Wildlife Visitor Center, off Powder Mill Road, between Baltimore-Washington Parkway and Route 197, Laurel. Free. 301-497-5887.
GREAT FALLS HIKE, a moderate six-mile hike along the Potomac River in Virginia, bring lunch and water, sponsored by the Sierra Club, Howard County group, 9 a.m. car-pool departure from Route 32 and Broken Land Parkway, west side Park-and-Ride lot, Columbia. Free. 301-725-3306.
COLUMBIA NEW YEAR'S WALKS, for all ages, noncompetitive 5K and 10K walks, sponsored by the Freestate Happy Wanderers Walking Club, walks start between 8 a.m. and 1 p.m. and finish by 4 p.m. Tuesday and Wednesday, Owen Brown Community Center, 6800 Cradlerock Way, Columbia. Free; preregistration required. 410-437-2164.
BRAIN INJURY SUPPORT GROUP, facilitated by a clinician, share information and discuss the effect of brain injury in daily life, sponsored by Humanim, a private nonprofit organization that provides residential, vocational, clinical and case management services to people with disabilities, 1-2 p.m. the first Thursday of each month, Humanim, 6355 Woodside Ct., Columbia. Free. 410-381-7171, Ext. 2226.
ELLICOTT CITY STORY TIME, a discussion of stories about winter animals, including Bill Martin's "Polar Bear, Polar Bear, What Do You Hear?" and Debi Gliori's "Penguin Post," 10 a.m., Barnes & Noble Booksellers, 4300 Montgomery Rd., Ellicott City. Free. 410-203-9001.
-- Compiled by Linda James
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