There is so much false information about insects and spiders, so we will go through some of the more common myths and figure out what is really going on. Come prepared with questions about our many-legged friends. All ages are welcome. Cost is $2 per person. No registration is needed.

For more information, visit www.uoguelph.ca/arboretum.

Time: 7 to 8:30 p.m.

Location: Arboretum

The Institute for Community Engaged Scholarship, CBaSE and Student Life present free lectures by University of Guelph researchers.

- Prof. Trent Tucker will discuss how to turn PowerPoint from a soporific to an engaging multimedia tool.

- Learn more about the My World, My Choice! educational program from Prof. Lianne Foti.

For more information, visit www.10cardenlectures.eventbrite.com.

Location: 10 Carden St., Guelph

Monarchs endure long travels, many dangers and even another species pretending to be them. Let's learn why Ontario's best known butterfly is so cool. We will walk through the Arboretum looking for all stages of life of this daring insect. All ages are welcome. Cost is $2 per person. No registration is needed.

For more information, visit www.uoguelph.ca/arboretum.

Time: 7 to 8:30 p.m.

Location: Arboretum

Geoff McLachlan, professor of statistics and vice-chancellor's senior research fellow at the University of Queensland, Brisbane, will present a lecture "On Some Microarray Gene Expression-Based Approaches to Disease Discovery, Diagnostic, and Prognosis."

Time: 3 p.m.

Location: Science Complex, Room 2315

Chiu-Hua Vincent Huang, M.Sc. candidate in the School of Environmental Sciences, will defend his thesis on "Mining Genomes of Filamentous Ascomycetes for Phylogenetic Markers." The adviser is Prof. Tom Hsiang.

Time: 1:30 p.m.

Location: Graham Hall, Room 3301