![Person in white coat pointing to AI button](/sites/default/files/styles/resource_card_image_360x300_/public/2023-11/ai-drugs-header_GettyImages-1728138175.jpg?itok=TOvsOZAY)
Discovering Drugs with the Help of Machine Learning
Backgrounders
Learn how machine learning is being used in protein drug discovery.
![portrait de Dr. Paula Littlejohn](/sites/default/files/styles/career_image/public/2023-05/Paula%20Littlejohn.jpeg?itok=XB7NJlNJ)
Dr. Paula Littlejohn (she/her)
Career Profiles
Postdoctoral Research Fellow
![Medical staff distributing COVID-19 vaccines](/sites/default/files/styles/resource_card_image_360x300_/public/2021-03/medical-staff-distributing-covid19-vaccine.jpg?itok=oqAfyGaD)
What’s Special About the New COVID-19 Vaccines?
STEM Explained
Learn about viruses, vaccines and why the new COVID-19 vaccines are innovative.
![Nutrition label on the side of a pop can](/sites/default/files/styles/resource_card_image_360x300_/public/2020-03/nutrition-information-on-a-can.jpg?itok=4o0ZthQc)
The Science Behind Calories and Nutrition Facts Labels
STEM Explained
Find out how scientists figure out the information on food nutrition labels and why that information can help to keep you healthy.
![Looking at a donut and a brain through a magnifying glass](/sites/default/files/styles/resource_card_image_360x300_/public/2020-02/human-brain-with-donut.jpg?itok=sDa9et9m)
How Sugar Affects the Brain
STEM Explained
Consuming sugary foods and drinks activates your brain’s reward system - the same system that can cause addiction.
![Bread and wheat with a warning sign](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/gluten-intolerance-with-bread-and-wheat.jpg?itok=Ytq99uNA)
Celiac Disease: When You Really Need to Stay Gluten-Free
STEM Explained
Celiac disease is an autoimmune disorder. Gluten triggers an immune system response, seriously affecting nutrition.
![Arctic pack ice](/sites/default/files/styles/resource_card_image_360x300_/public/2021-03/arctic_ice_pack.jpg?itok=-rJJdc-Q)
Why Don't Fish Freeze in Cold Arctic Waters?
STEM Explained
Ever wonder how fish survive in the cold waters of the Arctic and Antarctic? It’s partly because of a brilliant evolutionary adaptation.
![https://aWhy are peas and corn classed as starches on food guides?www.pexels.com/photo/agriculture-bright-cereal-close-up-547263/](/sites/default/files/2019-08/pexels-corn.jpeg)
Why are peas and corn classed as starches on food guides?
Hands-on Activities
Learn how test foods for starch.
![Why do oil and water not mix?](/sites/default/files/2019-08/why-do-oil-and-water-not-mix.jpg)
Why do oil and water not mix?
Hands-on Activities
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.
![What is the best way to clean up an oil spill?](/sites/default/files/2019-08/what-is-the-best-way-to-clean-up-an-oil-spill.jpg)
What is the best way to clean up an oil spill?
Hands-on Activities
Learn about the properties of materials and the challenges of cleaning up an oil spill in this activity.
![Crispy fried crickets © phuketisland, iStockphoto](/sites/default/files/styles/resource_card_image_360x300_/public/2019-09/Crispy%20fried%20crickets.jpg?itok=_fRDXG6u)
Should We Eat Bugs?
STEM Explained
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.
![Pavlova meringue with fruit](/sites/default/files/styles/resource_card_image_360x300_/public/2019-11/pavlova-meringue-cake.jpg?itok=M8OvVyBu)
Meringue: The Science Behind a Wonderfully Fluffy Dessert
STEM Explained
Learn about the biochemistry of cooking meringue.
![How does detergent work?](/sites/default/files/2019-08/how-does-detergent-work.jpg)
How does detergent work?
Hands-on Activities
Become a pro at washing dishes! Learn how the chemical structure of detergent makes it perfect for attracting grease and grime.
![Can we make butter?](/sites/default/files/2019-08/can-we-make-butter.jpg)
Can we make butter?
Hands-on Activities
Do you like butter? Find out how easy it is to make!
![Dietitian Sorting Out Food Groups Dietitian Sorting Out Food Groups](/sites/default/files/styles/resource_card_image_360x300_/public/Nutritionist-Sorting-Out-Food-Groups.jpg?itok=YskibP9K)
Careers: Dietitian
Picture Collections
5 images of some work that a dietitian might do such as educating patients about how food affects their health