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To eat
The Lincoln Park Zoo opens its new Cafe at Wild Things Friday, featuring all-organic, sustainable and locally grown foods, with healthy options for kids and adults. Menu items include organic peanut butter and jelly and smoothies.
To clean
The Shedd Aquarium holds a beach sweep party at noon Friday at 12th Street Beach, where volunteers can help pick up trash and play sand volleyball. R.S.V.P. to listentoyourlakes@sheddaquarium.org before 10:30 a.m., or show up by 11:30 a.m. to participate.
To style
Hair salon Plateau Blu (2064 N. Western Ave.) hosts happy hours every Friday from 6 to 9 p.m., with martinis and $25 blowouts.
