A prestigious panel of biosecurity experts this evening, plus other highlights on the schedule for the fourth day of the AAAS Annual Meeting:

First Physics from the Large Hadron Collider symposium. 8:30-11:30 a.m., Washington Convention Center, Room 207B.

Molecular Self-Assembly and Artificial Molecular Machines seminar. 8:30-11:30 a.m., Washington Convention Centers, Room 146C.

Family Science Day and Meet the Scientists. 11:00 a.m.- 5:00 p.m., Washington Convention Center, Exhibit Hall D.

The Science of Comedy: Communicating with Humor. 11:30 AM-12:30 p.m.,
Washington Convention Center, 158AB.

Chat with neuroscientist Olaf Blanke and computer scientist Jose del R. Millan at Live@AAAS from the Science News team. Noon, at the Science magazine News site.

AAAS General Poster Session. 1:00-5:00 p.m., Washington Convention Center, Exhibit Hall D.

Plenary Lecture Panel on Biosecurity, featuring Rita R. Colwell, Anthony S. Fauci, Claire M. Fraser-Liggett, and U.S. Rep. Rush Holt. 5:00-6:00 p.m., Washington Convention Center, East Salon.

Browse the rest of Sunday's schedule online or on page 22 of the program book.