Back to Show
It's Okay to Be Smart
%$?# Allergies!
Season 3
Episode 23
Springtime means the arrival of green grass, bright flowers, and buzzing bees. But for many of us, it’s also about sneezing, watery red eyes, and a runny nose, thanks to allergies. In this week’s video, you’ll learn why we get allergies, how our immune system turns against us to attack pollen and pets, and why allergies seem to be on the rise in developed nations.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

17:58
How the CIA used Cold War technology to study and combat climate change

13:58
The secret physics at the core of every syllable, starting with the first words we speak.

9:56
The glow from faster-than-light particles gives us a unique way to explore the universe.

10:40
A mysterious and highly impactful phenomenon that scientists are still learning about.

9:10
Countershading is everywhere, and it may be nature’s most successful form of camouflage.

12:59
Global warming means more air conditioning…causing more warming 🤦. Could new chemistry he

14:49
How does iridescence work? From rainbow bubbles to beautiful birds, bugs, and gemstones.

11:53
Under house arrest in Egypt, one mathematician transformed how we examine the world.

8:32
Animals as simple as bees and as complex as you and me and have fun too!

13:10
We explore why embarrassment has lasted through evolution and its function.

13:49
We are in search of the blackest black things on Earth and why.

14:24
Knowing exactly what a “second” is is more complicated than you might think!