
STEM WEEK 2025
More than 8,300 Perimeter College students have studied for a STEM career over the past three years?
#STEMWEEK
Learn about a variety of topics from experts in the field. Discover different ways you can move your STEM education—and your career—forward. STEM fields include astronomy, biology, chemistry, computer science, engineering, environmental science, geology, mathematics and physics. We’ll celebrate our top STEM students during an in-person ceremony. See the calendar of events below to find out more.



Signature Events
CARDBOARD BOAT REGATTA
Host: Clarkston Computing and Engineering Club (CLACEC)
Presenter: Beatrice Griffin, Event Coordinator
Clarkston Gym, Swimming Pool | 10 a.m. ‐ 4 p.m.
Perimeter student teams will design and build boats made entirely of cardboard and race them in the Clarkston swimming pool. The Cardboard Boat Regatta includes multiple races with different categories: speed, creativity, and endurance.
POSTER SESSION: MICROBIOLOGY WITHOUT BORDERS
Presenter: Christine Patrum, Instructor of Biology
Decatur Campus, Building SB, First Floor | All day
Microbiology students will design posters highlighting global research topics or initiatives funded by the US. Poster presentations will be accessible by QR codes.
MAKE GOLD AND SILVER PENNIES
Presenters: Shalini Jain Kumar, Senior Lecturer in Physical Sciences and Biswajit Sannigrahi, Alpharetta Campus Physical Sciences Lab Coordinator
Alpharetta Campus, Building AB, Room 232 | 9 ‐ 11 a.m.
Join us for an exciting workshop where you’ll transform an ordinary penny into a shiny silver or golden one! This hands-on experience will give students a chance to witness chemistry in action.
AGAR ART COMPETITION
Presenters: Mark Graves, Associate Professor of Biology; Zachariah M. Degon, Lab Coordinator; Johnasha Stuart, Assistant Professor of Biology
Clarkston Campus, Building CC, Room 2100 | 10 ‐ 11 a.m. and 2:30 ‐ 3 p.m.
Students, faculty and staff are invited to attend and express their creative abilities using microbes, such as bacteria and fungi. Agar art entries are due for judging by April 10. All agar art materials are provided—email [email protected] with questions.
PHYSICS DISCOVERY BOOTH: WHERE WOWS TURN INTO AHA! MOMENT
Presenters: Physics 2211 & 2212 Alpharetta Campus students; Dr. Ananta Acharya, Assistant Professor of Physical Sciences; Dr. Taha Mzoughi, Associate Professor of Physical Sciences
Building AB, Lobby | 10:30 a.m. ‐ 2 p.m.
Various fascinating hands-on physics demonstrations will be available to try out and possibly replicate at home.
GEODE CRACKING
Presenters: Lynn Zeigler, Associate Professor of Geology and Mark Graves, Associate Professor of Biology
Clarkston Campus, Building CN, Quad | 11:30 a.m. ‐ 1:30 p.m.
Learn about Geodes and crack your own geode!
SOLAR VIEWING
Presenter: Dr. David Yenerall, Senior Lecturer of Astronomy
Dunwoody Campus, Observatory | Noon ‐ 1 p.m.
We will use solar telescopes to observe the features of the Sun. If the weather does not permit solar viewing, we will meet on Wednesday.
THE TINY WORLD OF MICROBES
Presenter: Corinne Summerill, Senior Lecturer of Biology
Alpharetta Campus, Building in front of AB, Room 132 | 1 ‐ 2 p.m.
See the world of microbes under a microscope! Learn how to use a microscope, prepare samples for viewing and identify microorganisms from water samples collected around Atlanta.
MATHEMATICAL MODELING OF PHYSICAL SYSTEMS (HANDS-ON)
Presenter: Robert Pruvenok, Associate Professor of Mathematics
Alpharetta Campus, Building AB, Room 107 | 1 ‐ 2 p.m.
Can you build a Jenga tower that looks like it should fall, but math says it won’t? Are some dishwashing techniques better than others? We will use mathematics to model these systems and gain insight into real-world questions.
THE GEOLOGY OF CARLSBAD CAVERN
Presenter: Steve Fitzpatrick, Senior Lecturer of Geology
Newton Campus, Building 2N, Auditorium and https://gsumeetings.webex.com/meet/sfitzpatrick1 | 12:30 ‐ 3:30 p.m.
Carlsbad Caverns is a World Heritage site and a unique example of large–scale dissolution in a carbonate paleoenvironment exposed by tectonic uplift. We’ll explore this amazing place in a presentation based on a trip to the caverns in December 2023.
POSTER SESSION: MICROBIOLOGY WITHOUT BORDERS
Presenter: Christine Patrum, Instructor of Biology
Decatur Campus, Building SB, First Floor | All day
Microbiology students will design posters highlighting global research topics or initiatives funded by the United States. Poster presentations will be accessible by QR codes.
SOLAR OBSERVATIONS
Presenter: Susannah Lomant, Associate Professor of Physics and Astronomy
Decatur Campus, Quad | 10:00 a.m. ‐ Noon
We will observe sunspots & other features of the Sun using solar telescopes.
SOLAR VIEWING
Presenter: Dr. C. Bayard Stringer, Associate Professor of Physics and Astronomy
Alpharetta Campus, in front of Building AB | 10 a.m. ‐ Noon
Learn about solar weather and see it for yourself through our telescope! The Sun is close to maximum activity in its eleven–year cycle, so there is a good chance of seeing many sunspots this year.
PHYSICS DISCOVERY BOOTH: WHERE WOWS TURN INTO AHA! MOMENTS
Presenters: Physics 2211 & 2212 Alpharetta Campus students; Dr. Ananta Acharya, Assistant Professor of Physical Sciences; Dr. Taha Mzoughi, Associate Professor of Physical Sciences
Building AB, Lobby | 10 a.m. ‐ 1 p.m.
Various fascinating hands-on physics demonstrations will be available to try out and possibly replicate at home.
SCIENCE FUN DAY
Presenter: Mark Graves. Associate Professor of Biology
Clarkston Campus, Building CN, Quad | 11 a.m. ‐ 1:30 p.m.
Anatomy, physics and nursing students will teach people about home blood pressure measurements.
DEKALB COUNTY’S MEDICAL EXAMINERS PRESENTATION
Presenters: Marquel Johnson, Dr. Marcel Castor, Brittany Godfrey, Lauren Bucci and Dr. Kimberly Grimes, Assistant Professor of Chemistry
Decatur Campus, Building SB, Room 1170 | 11:30 a.m. ‐ 12:45 p.m.
The Dekalb County Medical Examiner’s Office will educate, inspire and connect with students interested in forensics. They will discuss the various departments and how they determine the cause of death. Discussions include duties, pathways to the profession and career opportunities.
25TH ANNIVERSARY OF INTERNATIONAL EDUCATION WEEK: INTERNATIONAL FESTIVAL
Presenters: Chemistry Club, Vietnamese Club, Japan Society and Clarkston Campus Physical Sciences Department
Clarkston Campus Student Center, Building CN, Room 1300 | 11:30 a.m. ‐ 1:30 p.m.
Students will participate in various cultural activities, including chemistry-related activities.
ACTUARIAL EVENT
Presenters: Marta Jimenez-Lutter, Manager of Student and Candidate Engagement, The Society of Actuaries; Clarkston Math Club
Clarkston Campus STEM Lab, Building CC, Room 1180 | 12:30 p.m. ‐ 2:30 p.m.
Professionals from the Society of Actuaries will discuss the career pathway of actuarial sciences, share knowledge on becoming an actuary, and answer student questions. Students will also get free pizza.
FROM STRESS TO SUCCESS WITH GRIT: STRENGTHENING RESILIENCE WITH NEUROPSYCHOLOGY
Presenters: Dr. Claudia Vargas, Assistant Professor of Biology and Dr. Michael Baker, Assistant Professor of Psychology
https://gsumeetings.webex.com/meet/cvargas8 | 1 ‐ 2 p.m.
Resilience is the ability to adapt to and recover from life’s challenges. It is not an innate trait; it’s a skill that can be cultivated and strengthened through intentional practice. In this workshop, we’ll explore the neuroscience and psychology behind resilience and share practical strategies for managing stress, boosting motivation and enhancing overall well–being.
STEM CAREER PANEL
Presenters: STEM Career Club and Dr. Taha Mzoughi, Associate Professor of Physical Sciences
https://gsumeetings.webex.com/meet/tmzoughi | 1 ‐ 2 p.m.
The STEM Career Club invites several successful professionals in STEM careers to talk about their jobs and what they had to learn in college to get to where they are and answer your questions.
HOW DO MEDICATIONS LIKE OZEMPIC AND WEGOVY HELP YOU LOSE WEIGHT? A LOOK AT MECHANISMS BEHIND THE MEDICATIONS
Presenter: Dr. Cynthia Foote, Assistant Professor of Biology
https://gsumeetings.webex.com/meet/cfoote | 2 ‐ 3 p.m.
People are increasingly asking for medications like Ozempic. Originally developed to help patients with Type II diabetes, they are now used for other conditions. How do they affect your body, and what are the possible adverse reactions?
AUTISM SPECTRUM IN 2025
Presenter: Dr. Jonathan Lochamy, Professor of Biology
https://gsumeetings.webex.com/meet/jlochamy | 3 ‐ 4 p.m.
It’s been twelve years since the Diagnostic and Statistical Manual of Mental Disorders turned Aspergers and Autism from syndromes into one glorious spectrum. Hear the latest updates on how the spectrum is diagnosed and presented in modern life.
AGAR ART COMPETITION
Presenters: Mark Graves, Associate Professor of Biology; Zachariah M. Degon, Lab Coordinator; Johnasha Stuart, Assistant Professor of Biology
Clarkston Campus, Building CC, Room 2100 | 4:30 ‐ 5 p.m.
Students, faculty and staff are invited to express their creative abilities using microbes, such as bacteria and fungi. Agar art entries are due for judging by April 10. All agar art materials are provided—email [email protected] with questions.
POSTER SESSION: MICROBIOLOGY WITHOUT BORDERS
Presenter: Christine Patrum, Instructor of Biology
Decatur Campus, Building SB, First Floor | All day
Microbiology students will design posters highlighting global research topics or initiatives funded by the United States. The poster presentations will be accessible via QR codes.
PHYSICS DISCOVERY BOOTH: WHERE WOWS TURN INTO AHA! MOMENTS
Presenters: Physics 2211 & 2212 Alpharetta Campus students; Dr. Ananta Acharya, Assistant Professor of Physical Sciences; Dr. Taha Mzoughi, Associate Professor of Physical Sciences
Building AB, Lobby | 10 ‐ 11:30 a.m.
An array of fascinating hands-on physics demonstrations will be available to try for possible replication at home.
ACTIVE GEOLOGY DEMONSTRATIONS
Presenter: Dr. Rob McDowell, Assistant Professor of Geology
Dunwoody Campus, Building NC, Room 1300 | 10 ‐ 11:30 a.m.
Active geology demonstrations—stream table demonstration, groundwater demonstration, rock cutting demonstration, microscopic viewings and more!
SOLAR VIEWING
Presenter: Dr. C. Bayard Stringer, Associate Professor of Physics and Astronomy
Alpharetta Campus, in front of Building AB | 10 a.m. ‐ Noon
Learn about solar weather and see it for yourself through our telescope! The Sun is close to maximum activity in its eleven–year cycle, so there is a good chance of seeing a lot of sunspots this year.
DIET COKE AND MENTOS DEMONSTRATION
Presenters: Chemistry Club and Dr. Michael R. Nelson, Jr., Associate Chair of Physical Sciences Department
Clarkston Campus, Building CN, Quad | 11:30 a.m. ‐ 12:30 p.m.
Have you ever wondered what happens when you drop a roll of Mentos into a bottle of soda? Join us for a few experiments designed to explore variables associated with the Mentos – Diet Coke geyser phenomenon and discover who reigns supreme in the ultimate Cola War!
SOLAR VIEWING: WEATHER MAKEUP DAY
Presenter: Dr. David Yenerall, Senior Lecturer of Astronomy
Dunwoody Campus, Observatory | Noon ‐ 1 p.m.
This is the backup day should the weather not permit viewing on Monday, April 7. We will observe the features of the Sun using solar telescopes.
WOMEN IN STEM EXPERIENCE, WiSE, DECATUR VIRTUAL SCIENCE TRIVIA GAME
Presenters: WiSE and Dr. Samantha Andrews, Assistant Professor of Biology
https://gsumeetings.webex.com/meet/sandrews23 | Noon ‐ 1 p.m.
Teams will compete through a Jeopardy-style trivia game highlighting the accomplishments of women in STEM.
RAS AND YOU: HOW THW KIDNEYS PLAY A ROLE IN CARDIOVASCULAR HEALTH
Presenter: Elsa Mekonnen, Research Nurse Practitioner, Emory University
https://gsumeetings.webex.com/meet/irickets | 1 ‐ 2 p.m.
Discuss the renin-angiotensin system, its effects on cardiovascular health, and current research trends.
POPULATION DYNAMICS AND SUSTAINABILITY
Presenter: Robert Pruvenok, Associate Professor of Mathematics
https://gsumeetings.webex.com/meet/rpruvenok | 1 ‐ 2 p.m.
As the Earth’s population continues to grow and climate change takes us beyond the bounds of historically familiar weather, we should consider whether our population is sustainable and what that means for our shared future. We start with basic mathematical models of population dynamics and then extend them to model a resource species we consume for food. The math will show us what overconsumption might lead to and suggest paths to a more sustainable future.
GEMSTONES – CUT RIGHT BEFORE YOUR EYES
Presenter: Dr. Dion Stewart, Professor of Geology
Alpharetta Campus, Building AB, Room 216 | 2:30 ‐ 4 p.m.
This is a demonstration of making gemstones. Several gorgeous gems will be shown for their “flash” and “sparkle” and then given away to attendees. A faceting machine will be available to cut facets for the “Standard Round Brilliant” design.
POSTER SESSION: MICROBIOLOGY WITHOUT BORDERS
Presenter: Christine Patrum, Instructor of Biology
Decatur Campus, Building SB, First Floor | All day
Microbiology students will design posters highlighting global research topics or initiatives funded by the United States. Poster presentations will be accessible by QR codes.
MATH AND THE RUBIK’S CUBE
Presenter: Chandra French, Associate Professor of Mathematics
Decatur Campus, Quad | 10 ‐ 11 a.m.
Learn about the Math behind the Rubik’s Cube! Discover the secrets and hidden Math in this intriguing puzzle.
STEM POSTER PRESENTATION
Presenter: Dr. Brandi Childress, Senior Lecturer of Biology
Decatur Campus, Building SB, First and Second Floors and https://gsumeetings.webex.com/meet/bchildress2 | 10 ‐ 11:30 a.m.
Students present STEM posters on the life of an under-represented minority in STEM (and medicine).
PHYSICS DISCOVERY BOOTH: WHERE WOWS TURN INTO AHA! MOMENTS
Presenters: Physics 2211 & 2212 Alpharetta Campus students and Dr. Ananta Acharya, Assistant Professor of Physical Sciences
Building AB, Lobby | 10:30 a.m. ‐ 2 p.m.
Various fascinating hands-on physics demonstrations will be available to try out and possibly replicate at home.
EUROPA CLIPPER AND JUICE: EXPLORING JUPITER AND INT’S ICY MOONS
Presenter: Fred Buls, Clarkston Campus Physical Sciences Lab Supervisor
https://gsumeetings.webex.com/meet/ulahaise | 11 a.m. ‐ Noon.
Two probes, Juice and Europa Clipper, are on their way to Jupiter to study the planet and its icy moons. They could find evidence that the moons can support life.
PHYSICS DISCOVERY BOOTH: WHERE WOWS TURN INTO AHA! MOMENTS
Presenters: Physics 2212 Clarkston Campus students and Dr. Taha Mzoughi, Associate Professor of Physical Sciences
Clarkston Campus, Building CN, Quad | 11 a.m. ‐ 12:30 p.m.
Various fascinating hands-on physics demonstrations will be available to try out and possibly replicate at home.
INVISIBLE WALLS: BIRDS VERSUS BUILDINGS
Presenter: Diane Lahaise, Associate Professor of Biology
https://gsumeetings.webex.com/meet/ulahaise | Noon ‐ 1 p.m.
Collisions with windows are a major source of bird mortality, especially during migration. This presentation will summarize the scope of the problem and discuss some solutions that could save bird lives.
DR HOUSEPLANT: PREVENTION HEALTH AND URGENT CARE CLINIC FOR YOUR PLANTS
Presenter: Dr. Jennifer Trusty, Principal Lecturer of Life Sciences
https://gsumeetings.webex.com/meet/jtrusty | 1 ‐ 2 p.m.
Do you have trouble keeping houseplants alive? Could you use some help? Or maybe you have a green thumb but want to learn about other interesting plants to add to your collection. Join us for an informative session and a chance to get your questions answered!
COMPUTING WITH IMAGES IN THE DIVAS ALLIANCE
Presenter: Dr. Tessa Brooks, Professor of Biology at Doane University
https://gsumeetings.webex.com/meet/abostian | 3 ‐ 4 p.m.
Learn about what has been happening and how to participate in the Digital Imaging and Vision Applications in Science (DIVAS) Alliance.
PYTHON WORKSHOP
Presenters: Women In Technology, WIT, board members David Ouma and Parth Dave
Alpharetta Campus, Building AA, Room 1150 | 3 ‐ 4 p.m.
This hands-on workshop is designed to introduce participants to Python programming fundamentals. It will cover key concepts such as variables, data types, loops, functions and real-world applications, providing attendees with practical coding experience.
RELEVANT AND REWARDING: CONSIDER A CAREER IN ACTUARIAL SCIENCES AND STATISTICS
Presenter: Amos Darrisaw, Associate Professor of Mathematics
Decatur Campus, Building SF, Room 2100 | 3 ‐ 5 p.m.
This round–table discussion features two professionals in Actuarial Sciences and two graduate students pursuing advanced degrees in Statistics. They will share their career journeys, insights and experiences, offering valuable perspectives on their fields and encouraging students to consider these rewarding career paths.
AGAR ART COMPETITION
Presenters: Mark Graves, Associate Professor of Biology; Zachariah M. Degon, Lab Coordinator; Johnasha Stuart, Assistant Professor of Biology
Clarkston Campus, Building CC, Room 2100 | 4 ‐ 5 p.m.
Students, faculty and staff are invited to express their creative abilities using microbes, such as bacteria and fungi. Agar art entries are due for judging by April 10th. All agar art materials are provided—email [email protected] with questions.
POSTER SESSION: MICROBIOLOGY WITHOUT BORDERS
Presenter: Christine Patrum, Instructor of Biology
Decatur Campus, Building SB, First Floor | All day
Microbiology students will design posters highlighting global research topics or initiatives funded by the United States. Poster presentations will be accessible by QR codes.
STEM SCHOLARS AWARD PROGRAM
Presenters: Office of Associate Dean for Research and STEM
Clarkston Campus Jim Cherry LRC, Building CL, Room 1100 | 10 a.m. ‐ Noon
Perimeter College STEM Scholars Award Ceremony
COMET COMPETITION
Presenters: Clarkston Campus Math Club officers Soe Wai Yan and Sut Naw
Clarkston Campus Student Center, Building CG, Room 1150 | 1 ‐ 4 p.m.
Participants will design and build a Controlled–Operation Mechanical Energy Transducer (COMET)—a device that stores potential energy, converts it into mechanical energy and travels to a designated location without damaging “precious cargo.” The team with the most accurate performance wins. Prizes will be awarded for 1st, 2nd and 3rd place.
Acknowledgments: Dr. Sahithya Reddivari, Dr. Anant Honkan, Dr. John King, Dr. John Webber, Prof. Joanna Richardson Wilson, Dr. Luise Strange De Soria, Dr. Avinash Sukhu, Public Relations and Marketing Communications, Perimeter College Facilities and Events Services, Perimeter College Dean Barbara Johnson, Ms. Vertilee Henry, Perimeter College-Office of Associate Dean for STEM/Research, Dr. Paulos Yohannes, Ms. Rosauna Harris, Ms. Betsy Hardy, Dr. Janna Blum, Mr. Anthony Bush, STEM Week Committee: Prof. Steve Fitzpatrick, Prof. Susannah E. Lomant, Prof. Ulrike Lahaise, Dr. Emily Blalock, Dr. April Bostian and Dr. Ilse Rickets, chair.