“A Circadian Gene Atlas in Mammals: Implications for Biology and Medicine,” will be presented by John Hogenesch, of the University of Pennsylvania Perelman School of Medicine, at 4 p.m. Sept. 30 in the Beadle Center, Room E103.

The seminar is free and open to the public.

The Beadle Center is located at 1901 Vine St.

The complete schedule of seminars can be found at http://biotech.unl.edu/.