Ever wondered what a triceratops used its horns for? Ever pondered why a saber-toothed cat needed saber teeth? Learn the answers as Don "The Fossil Guy" Johnson returns to the University of Iowa Museum of Natural History in April with programs at 2 p.m. on Saturday afternoons.

Herbert Cole, professor emeritus from the University of California, Santa Barbara, will lecture on “Perspectives on African Art and Life” at 7:30 p.m. Thursday, April 10, in Room 240 of Art Building West at the University of Iowa. The lecture is free and open to the public.

University of Iowa Health Care specialists will hold a series of Mini-Medical School presentations on the science behind personalized cancer care over a three-week period beginning April 15.

About 120 University of Iowa students headed to Des Moines April 2 for the annual Hawkeye Caucus Day, a chance to make the case for higher education and get a firsthand look at state government.

During April, the University of Iowa will present a series of events promoting sustainability on campus and in the local community as part of Earth Month 2014.

Each year, the Internal Revenue Service (IRS) publishes a list of scams that peak during filing season. Tax fraud through the use of identity theft tops this IRS list of scams. Here are tips to avoid becoming a victim.

"Gifts and Grants" is a roundup of research grants and other funding obtained by University of Iowa faculty, staff, and students in support of work across disciplines—from the sciences to the arts and humanities—that will be published regularly in Iowa Now.

The annual University of Iowa Celebration of Excellence and Achievement Among Women presents some of the university's top honors for faculty and staff, as well as scholarships for promising students.

The Fry Street Quartet will join physicist Robert Davies and composer Laura Kaminsky in presenting "The Crossroads Project," an interdisciplinary program using a blend of science, music performance, and original art to explores issues related to climate change and sustainability, at 7:30 p.m. April 8.

The University of Iowa Department of Theatre Arts will produce "Slaughter City," a work by University of Iowa Playwrights Workshop Graduate Naomi Wallace, as its next Mainstage production. "Slaughter City" will be on stage at 8 p.m. April 10-12 and April 16-19, and at 2 p.m. April 13 and 20.

Cynthia Brinich-Langlois, Virginia A. Myers Visiting Assistant Professor in Printmaking, will give a lecture at 7 p.m. Wednesday, April 9, in Room 116 Art Building West. She will show her work in the Ark Gallery of Studio Arts Building April 7-12.

Pinecone or pine nut? Friend or foe? Distinguishing between the two requires that we pay special attention to the telltale characteristics of each. And humans aren’t the only ones up to the task. According to UI researchers, pigeons share our ability to place everyday things in categories. Results are published in the Journal of Experimental Psychology.