Chapter lectures

All Sigma Xi lectures are open to the public and are free, except for fundraising events.

James P. Collins, Altering nature with gene drives—We can. But should we? 08 May 2019

Jay L. Nadeau, Eppur Si Muove: Looking for Life in the Solar System, 11 Apr 2019

Carolyn Jones, Rodent models of neuropsychiatric illness and the importance of sleep, 14 Mar 2019

Kimberly Kahn, Understanding and counteracting racial bias in policing, 23 Jan 2019

Scott Burns, Bottle Shock revisited: a wine tasting of pinot noir and more, 08 Dec 2018

Steve L. Reichow, Visualizing life through the lens of a cryo-electron microscopist, 10 Oct 2018

Brooke D. Simmons, Black Holes, Galaxies, and Exoplanets From Your Back Yard , 7 May 2018

Sally C. Seidel, Discovering New Particles, 14 Mar 2018

Jackie Dingfelder, Wicked Water Problems: Can Network Governance Deliver? 07 Feb 2018

Scott Burns, Terroir of wines 6: Tasting trilogies and more, 09 Dec 2017

Todd Surovell, What happened to the mammoths? Exploring the cause of North America’s most recent mass extinction, 12 Apr 2017

Paul Manson, Mapping the public: co-production of ocean and coastal management knowledge on the Oregon Coast, 08 Mar 2017

Scott Burns, Terroir of wines 5: Southern Oregon, 02 Dec 2016

Sarah Schaack, Sequencing whole genomes: revisiting a biological revolution and the advent of genomics, 17 November 2016

Jim O'Connor, 100 dams down and counting, 5 April 2016

Andrea Bertozzi, Mathematics of crime, 4 Feb 2016

Bryant York, Computational thinking, visualization and the advancement of science in the 21st century, 14 Jan 2016

Todd Rosenstiel, How to Green a Continent: the surprising role of moss in engineering a warming Antarctica, 19 May 2015

Debra Fischer, Searching for other Earths: the next frontier for exoplanet science, 30 April 2015

Robert F. Butler, Animating Cascadia earthquake risk, 03 Mar 2015

Damien Fair, Using functional brain imaging and graph theory to characterize typical and atypical brain development, 23 Jan 2015

Joseph Gray, Collaborating to understand complex biological systems including cancer, 11 Nov 2014

Edwin Lyman, Are We Safer? The Future of Nuclear Power in the Northwest 3 1/2 Years after Fukushima, 8 Oct 2014

David H. Peyton, A chemist’s try at overcoming a very clever parasite’s drug resistance, 22 May 2014

Catherine Drennan, Shake, rattle, and roll: capturing snapshots of metalloenzymes in action, 3 April 2014

Mary Lee Jensvold, Conversations with chimpanzees: transforming our view of nature, 6 Mar 2014

Kellar Autumn, From Gecko Physics to Smart Adhesives, Climbing Robots, and Future Superheros, 20 Feb 2014

Tamara Phillips, Genetic factors influence risk for and protection from addiction, 21 Jan 2014

Scott Burns, Terroir of wines 4: Pacific Northwest, 05 Dec 2013

William Orr, What's new in Oregon geology? There's always something, 21 Nov 2013

Niles Lehman, The origins of life on the Earth, 23 May 2013

Richard A. Anthes, Hurricanes, weather patterns and climate change—why a few degrees matter, 19 Mar 2013

Marek Perkowski, A story of three robots, 27 Feb 2013

Scott Burns, Terroir of wines III: a comparison of wines from the Willamette Valley, Southern Oregon, and the Columbia Gorge, 29 Nov 2012

Dennis L. Jenkins, Archaeology and science at the Paisley Caves, 30 Oct 2012

Christine Ortiz, Natural armor: interdisciplinary convergence among engineering, architecture and evolutionary biology, 22 May 2012

Phil Mote, Andreas Schmittner, and Christina Hulbe, The scientific case for human influence on global climate: what we learn from analyzing ALL the evidence, co-sponsored with American Meteorological Society, 10 April 2012

Cynthia D. Cooper, Modeling human pigmentation with zebrafish stripes, 07 March 2012

Christopher R. Olson, Can't get that song out of my head: what singing birds tell us about what's in our own brains, 01 December 2011

Robert L. Strongin, Striving for the simplest possible means of detecting disease, 17 May 2011

Christof Teuscher, From Turing to Mo(o)re to less: how computing keeps changing the world, 09 March 2011

Terry L. Hunt, What (really) happened on Easter Island: ecological catastrophe and cultural collapse, 02 February 2011

Scott Burns, Terroir of wines II: Oregon and the Southern Hemsiphere, 02 December 2010

Lisa Weasel, DNA at the dinnertable: the global politics of genetically modified food, 03 November 2010

Tami Lasseter Clare, Conservation of cultural heritage as a platform for research, engagement, and education, 13 Oct 2010

David Frayer, Neandertals and us, 22 May 2010

James Pankow, SRS Keynote, 16 April 2010

Angela Hoffman, The search for natural products: Taxol, 23 Feb 2010

Scott Burns, Oregon wines: a study of terroir, 4 December 2009

Scott Burns, Cataclysms on the Columbia: the great Missoula floods, 19 November 2009

Melanie Mitchell, Complexity: a guided tour, 8 October 2009

Bill Bradbury, Climate change in Oregon: impacts and opportunities, 21 May 2009

Kimberly Gray, The modern American city: can we ever make it sustainable?, 21 April 2009

Amelia Ahern-Rindell, An example of how animal models inform basic and applied biological research, 24 March 2009

David B. Morton, Why does NIH fund fruit fly research?, 19 February 2009

Sue Bednarz, The Portland “Big Pipe” tunnel and pipeline projects: using geology and history to reduce construction risk, 4 December 2008

Robert Folmer, From the ear to the brain: auditory neuroscience in clinical medicine and research, 14 October 2008

Martin Raphael, Unraveling the mysteries of the marbled murrelet, 8 May 2008

Bret Tobalske, The biomechanics of flight in small birds, 19 March 2008

Michael Wolf, The mathematics of soap films: how nature chooses its shape, 13 February 2008

Brian Atwater, The orphan tsunami of 1700, 7 November 2007

Stanley S. Hillman, Lymph and the ecology of amphibians, 25 October 2007

Jennifer Hooper McCarty, The forensics behind the sinking of the RMS Titanic, 11 October 2007

Diane Gifford-Gonzalez, Animal desease challenges to the spread of pastoralism in Africa: archaeological and epizootiological perspectives, 23 May 2007

Robert Buckendorf, Autism: definition, treatments, and current research, 28 February 2007

Erik Sánchez, Pluto, no more..., 31 January 2007

Anna-Louise Reysenbach, Discovery and microbial exploration of deep ocean hydrothermal vents in the south western Pacific, 8 November 2006

Leslie A. Muldoon, Magnetic resonance imaging of the brain, 16 May 2006

Jim Lichatowich, Why does salmon recovery consume so much money for so few results?, 8 March 2006

Virginia Butler, Where have all the native fish gone? The fate of Lewis and Clark's fishes of the lower Columbia River, 22 February 2006

Rashmi Sinha, Meat, meat-cooking carcinogen, and cancer, 26 January 2006

Guy Consolmagno, Pluto and Planets X: what's a planet? and why does it matter?, 9 Nov 2005

Patrick J. Bartlein, Global warming: the past is key to the future, 11 Oct 2005.

George H. Taylor, Oregon's climate: past, present, and future, 19 May 2005

Lisa Weasel, DNA at the dinnertable: global ethical debates surrounding genetically modified food, 12 Apr 2005

Robert Bertini, Intelligent transportation systems: an oxymoron or can technology really reduce congestion?, 9 Mar 2005

Andrew Fountain, Glaciers of the Dry Valleys of Antarctica, 15 Feb 2005

Gordon Orians, Bird brains: decision-making by blackbirds, 23 Nov 2004

Ruzicka, Hutson, and Pugh, Meteors and meteorites in the Pacific Northwest, 3 Nov 2004

Carolyn Shoemaker, Comet and asteroid hazards, 6 May 2004

Alison Galloway, Forensic analysis of skeletal trauma, 24 Mar 2004

Durgam Chakrapani, Investigative metallurgy: stories of a family heirloom and a collector's Indian peace medal, 4 Dec 2003

Peter Abrahams, Solar telescopes from 1600 to 1900, 30 Oct 2003

William Lang, Killing the Cowlitz: how one of the last best hopes for salmon in the Columbia failed, 14 May 2003

Gerhard Randers-Pehrson, Radiobiological studies with the Columbia alpha-particle microprobe, 6 Mar 2003

Deborah Duffield, Applications of new genetic technologies to the study of marine mammals, 13 Nov 2002

Alex Bourdeau, Archaeology and geomorphology of the Columbia Gorge, 16 Oct 2002

A.J. Timothy Jull, Accelerator radiocarbon dating, 09 May 2002