Dr. Paula Littlejohn (she/her)
Postdoctoral Research Fellow
I research problems that affect peoples’ health, specifically in children.
What’s Special About the New COVID-19 Vaccines?
Learn about viruses, vaccines and why the new COVID-19 vaccines are innovative.
The Science Behind Calories and Nutrition Facts Labels
Find out how scientists figure out the information on food nutrition labels and why that information can help to keep you healthy.
How Sugar Affects the Brain
Consuming sugary foods and drinks activates your brain’s reward system - the same system that can cause addiction.
Celiac Disease: When You Really Need to Stay Gluten-Free
Celiac disease is an autoimmune disorder. Gluten triggers an immune system response, seriously affecting nutrition.
Why Don't Fish Freeze in Cold Arctic Waters?
Ever wonder how fish survive in the cold waters of the Arctic and Antarctic? It’s partly because of a brilliant evolutionary adaptation.
Why do oil and water not mix?
What chemistry determines how oil and water behave when mixed? Explore the mixing of oil and water and the density of liquids in this activity.
Why are peas and corn classed as starches on food guides?
Learn how test foods for starch.
What is the best way to clean up an oil spill?
Learn about the properties of materials and the challenges of cleaning up an oil spill in this activity.
Should We Eat Bugs?
What's tasty, abundant and high in protein and vitamins? Bugs! Bugs feed about 2 billion people each day. They also hold promise for food security and sustainability.
Meringue: The Science Behind a Wonderfully Fluffy Dessert
Learn about the biochemistry of cooking meringue.
How does detergent work?
Become a pro at washing dishes! Learn how the chemical structure of detergent makes it perfect for attracting grease and grime.
Careers: Dietitian
5 images of some work that a dietitian might do such as educating patients about how food affects their health
