Today on Campus

• You've got your checkered blanket, basket of food and then the ants come marching by one by one. Well, you should march over to Deborah Gordon's lesson on "How Ants Decide and Colonies Act." Gordon joins us today from Stanford University, in the Biology Sciences West building, Room 301, at 4 p.m.

• Discuss the "Roles of Molecular Chaperones in Regulating the Biogenesis and Activation of the Heme-regulated eIF-2alpha kinase" at 12:30 this afternoon. If you understand this title then you'll want to join Robert Matts of Oklahoma State University and host Elizabeth Vierling in Room 237 of the Biology Sciences West building.

• Get the inside juice on "Bile Acids, Apoptosis and Colon Cancer" with the help of the UA's Claire M. Payne. The Life Sciences North building, Room 452, will serve as the site for this lesson at 4 this afternoon.

• Marie Eileen Francois will speak on "When Pawnshops Talk: Popular Credit and Material Culture in Mexico City 1775-1916." Join Francois in the Social Sciences building, Room 128 this morning at 11.

• Mike Shull of the University of Colorado will talk about "The Nature of Low-Redshift Lyman-alpha Clouds." This colloquium will be held in the Steward Observatory, Room N210, at 4 this afternoon.

- compiled by Kate Longworth