How do QR codes work? (I built one myself to find out)
Adults Science TechnologyHow do QR codes work? The checkerboard patterns taking over the world, demystified.
What's the Difference Between Cults and Religion?: Crash Course Religions #3
Adults History HumanWhat is a cult? How are cults different from religions? And why do many religious scholars say we shouldn’t even use that label? In this episode of Crash Course Religions, we’ll learn why the line between cults and religions is much fuzzier than it seems.
We Traveled Back in Time. Now Physicists Are Angry.
Adults Life Science TechnologyTime travel is possible. In fact, you’ve been doing it since the day you were born.
Let's Talk About Emotions
Kids Relationships Self WellnessUnderstanding our emotions is so helpful, no matter your age or abilities! What are things that make YOU feel angry or happy or scared?
How Nine Nuclear Saboteurs Changed WWII
Adults History Human TechnologyIn Germany in 1939, the Uranverein, or “uranium club,” was trying to beat Oppenheimer to the bomb.
How To Draw: Space Folding Surprise
Kids Art Creativity How-toThis is a folding surprise lesson, so when you open up your drawing, it changes.
At-Home Lab: Making Bread
Youth Experiments Food ScienceLearn a little about at-home chemistry in the kitchen.
Can Dogs Detect the Next Pandemic Before It Begins? | Glen J. Golden | TED
Adults Animals Nature ScienceWhat if animals like dogs, ferrets, mice and raccoons could help sniff out the next pandemic? Exploring the science of smell, neurobiologist Glen J. Golden delves into the development of a "mechanical nose" that could detect diseases by identifying specific odor profiles.