The AAAS Annual Meeting resumes on a clear, frosty morning in Chicago. Among the day's highlights:

Studying Vertebrate Genomes: Reading Evolution's Notebooks, a symposium. 8:30-10:00 a.m., Hyatt Regency, Regency Ballroom A.

Weird Life, a symposium exploring possible life in unusual places and unusual forms beyond Earth. 8:30-10:00 a.m., Hyatt Regency, Regency Ballroom C.

Biofuels Ablaze, a symposium focusing on political and economics elements of the controversy. 8:30 to 10:00 a.m., Hyatt Regency Grand Ballroom F.

Protecting Our Planet Against Food Riots in the Future, a symposium. 8:30 to 11:30 a.m., Hyatt Regency Grand Ballroom B.

Quest for the Perfect Liquid: Connecting Heavy Ions, String Theory, and Cold Atoms, a symposium. 10:30 a.m.-noon. Hyatt Regency, Regency Ballroom C.

Family Science Days/Meet the Scientists, a free special event open to the public. 11:00 a.m.-5:00 p.m. Hyatt Regency, Riverside Center.

Amory B. Lovins, Profitable Solutions to the Oil, Climate, and Proliferation Problems, a topical lecture. 12:30-1:15 p.m., Hyatt Regency, Crystal Ballroom B.

AAAS General Poster Session. Hyatt Regency, Riverside Hall.

Post-Traumatic Stress Disorder: The New Battle for Veterans, a symposium. 1:30-3:00 p.m. Hyatt Regency, Columbus CD.

Solutions for Resuscitating Dead Zones: From Chicago to the Gulf of Mexico and Beyond, a symposium. 1:30-4:30 p.m. Hyatt Regency, Columbus IJ.

Svante Pääbo, A Neandertal Perspective on Human Origins, a plenary lecture, free and open to the public. 6:30-7:30 p.m. Fairmont Hotel, Imperial Ballroom.

For more details and more events, check the daily online schedule or your program book.