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.
Why Do So Many People Get Cancer?
STEM Explained
We all know someone who has been affected by cancer. What causes cancer? Why is it getting more common?
What is in blood?
Hands-on Activities
Make a model of blood and learn about the function of each of the parts that makes up blood.
What if You Could Choose Your Baby?
STEM Explained
Many people have had children using assisted reproductive technologies. But some of these medical biotech techniques can raise some ethical issues.
The Benefits of Going Outside
STEM Explained
Spending time outside has important physical and psychological benefits. It can even help you learn better!
The Immune Response
STEM Explained
When you cut your finger, your immune system kicks in to protect you from pathogens.
Stethoscope Replica
Interactives
Using stethoscopes, doctors can use sound waves to detect various health issues. Learn how this device has evolved since it was invented in 1816!
Should Scientists Clone Extinct Species?
STEM Explained
Cloning makes it possible to bring extinct species back to life. But is that a good idea?
Spaceflight and Bone Loss
STEM Explained
Astronauts can experience bone loss in space. To understand why, you need to know a bit about how bones are formed and maintained in your body.
Meiosis Mistakes
STEM Explained
Errors during meiosis can alter the number of chromosomes in cells and lead to genetic disorders.
My Stem Cell Donation Story
STEM Explained
In April 2016, Let’s Talk Science volunteer Daniel Tarade donated stem cells to help a person who needed a stem cell transplant to survive. Learn what stem cells are, how and why people donate, and what Daniel’s experience was like.
Is Hookah Smoking Dangerous?
STEM Explained
Many people believe that hookah smoking is safer than cigarette smoking. But in fact, hookah smoking can be even more harmful to your health!
Is There Too Much Carbon Dioxide in Your Classroom?
STEM Explained
Did you know that too much carbon dioxide in the classroom can affect your body, and even your grades?
Is Vaping Safer Than Smoking?
STEM Explained
Learn how e-cigarettes and other vaping products work, and why scientists and health professionals have concerns about their safety.
How does snot work?
Hands-on Activities
Make some fake snot and explore the function of mucus in this fun activity.