PLANNING AHEAD

SCI-FI

Scientist and sci-fi writer David Brin (“Brightness Reef,” “The Postman”) lectures at USC’s Bovard Auditorium. Tuesday.

7 p.m. (213) 740-7111.

LECTURE

Newport Beach architect Ron Yeo discusses his work. Santa Ana College, Fine Arts Building, Room C-104. Today. 12:30 p.m. (714) 564-5600. Free.

FILM

Chapman University’s Wide Screen Film Series continues with “Forty Guns,” starring Barbara Stanwyck. Tonight. 7.

(714) 996-6765. Free.

CHILDREN

Kids 3 to 5 years old can make paper-bag puppets at the Zany Brainy Stores throughout Orange County. Today. 10:30 a.m. Free.

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Information?

Health-related events and support groups are listed in Monday’s Health section. Lectures, social events and volunteer opportunities appear in this section on Tuesday. Books and author events run in this section on Wednesday. Garden events and clubs are in Saturday’s Home Design.