The North Carolina Science Festival, which began April 5, continues for another week with hundreds of events from one end of the state to the other.
Heres a sampling of events that are planned in the Triangle area through April 21:
• At 1 p.m. April 15, the Celebration of Undergraduate Research Symposium features poster sessions and platform talks that point up the wide variety of undergraduate research at UNC-Chapel Hill. The free event is at Frank Porter Graham Student Union.
• April 16 is N.C. Science Festival Day at the General Assembly. From 9 a.m.-2 p.m., you can see for free 20 exhibitors invited from around the state who will show their hands-on, interactive science, technology, engineering and mathematics creations at the Legislative Complex.
• At 4:30 p.m. April 16, Dr. Martin Golubitsky, a mathematician at Ohio State University, will show some patterns and discuss how mathematical symmetry appears throughout nature. His free-to-attend talk at N.C. State will be held at SAS Hall, NCSU North Campus, 2311 Stinson Drive.
• Also on April 16, 10 to 12 representatives from Research Triangle Parks universities and companies will speak about weird and wacky science in the 180 Degrees speaker series. The 6 p.m. event at RTP headquarters, 12 Davis Drive, Durham, is free, but registration is required at www.rtp.org.
• Mad Materials Science: Strange Polymers, Crazy Colloids, and Mad Materials a lighthearted, science-filled presentation by Popular Science columnist, element enthusiast and mad scientist Theo Gray, takes place at 4:30 p.m. April 17 at Paul M. Gross Hall, Duke University, 104 Science Drive, Durham. Its free to attend.
• University of Pennsylvania psychologist Dr. Robert Seyfarth will speak on Social Cognition and the Origins of Language at 5 p.m. April 18 in Love Auditorium at Duke Universitys Levine Science Research Center, 450 Research Drive, Durham. Free.
• Alton Brown the host of Good Eats on the Food Network will speak on kitchen science and more at 7:30 p.m. April 18 at Durham Performing Arts Center, 123 Vivian St., Durham. A question-answer session with the audience will follow. Admission: $20-$125 per person. Ticket info: www.dpacnc.com.
• April 19, bring binoculars and a blanket or chair to view the stars at Harris Lake and learn how to chart them from your own home. Its $5 per family and begins at 9 p.m. at Harris Lake County Park, 2112 County Park Drive, New Hill.
• Celebrate Earth Day on April 20 at Marbles Kids Museum, 201 E. Hargett St., Raleigh, with Science at Play. Activities, which begin at 9 a.m., include a gardening (children plant seeds in biodegradable pots they can take home). Events are free with paid museum admission. (Details: www.marbleskidsmuseum.org).
• Beer science? Why not! At 1 p.m. April 20, take a science-oriented look around the Carolina Brewing Company. The free tour covers everything from grain-grinding to bottling. The brewery is at 140 Thomas Mill Road, Holly Springs.