4.6 • 935 Ratings
🗓️ 12 November 2025
⏱️ 30 minutes
🧾️ Download transcript
Will eating mint cancel out the feeling of spice in your mouth? How do you manipulate aroma compounds to mimic the taste of lemon? When it comes to the science of flavor, there is no shortage of questions to ask. On this episode, Dr. Samantha Yammine is joined by renowned flavor scientist, author, and co-founder of Noma’s Fermentation Lab, Dr. Arielle Johnson. Together, they discuss how food and science intersect and the fascinating ways our bodies distinguish flavor. Then, a new study looks into how UV light can destroy airborne allergens and Sam digs into the ins and outs of ultra-processed foods.
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| 0:00.0 | This morning I had a bowl of oatmeal topped with cinnamon and fresh berries, a simple breakfast, yet bursting with flavor. |
| 0:09.0 | But if you ever stop to think about what's really happening when you taste something, |
| 0:13.0 | flavor isn't just about the ingredients on your plate. It's a fascinating mix of chemistry, smell, and even culture that shapes every bite. |
| 0:21.4 | In this episode, we'll talk with Dr. Ariel Johnson, a flavor scientist who peels back the |
| 0:26.3 | curtain on the hidden science behind why foods taste the way they do. |
| 0:30.0 | But before that, we're shining a light literally on a new approach to tackling common |
| 0:34.6 | allergens. |
| 0:35.8 | Can UV technology make our homes less sniffly? |
| 0:38.3 | And finally, we'll dive into a hot topic, ultra-processed foods. We hear about them all the time, |
| 0:44.3 | and they're certainly villainized, so we'll look into the science behind what they are and how much they deserve that rep. |
| 0:50.3 | We'll find out together. I'm Dr. Samantha Amin, and this is Curiosity Weekly. |
| 0:56.5 | Medical breakthroughs happen daily, yet here we are, still sneezing through spring like it's |
| 1:01.4 | 1985. I mean, I'm joking, kind of, but it is a little surprising that we can edit genes and |
| 1:07.0 | 3D print tissues, but a cure for common airborne allergies remains untouchable. |
| 1:12.2 | Well, my sniffly friends, I have some great news for you. |
| 1:15.6 | Researchers recently used a special type of ultraviolet light to attack airborne allergens |
| 1:20.5 | in a small room, and they found that with just 30 minutes of this light therapy, |
| 1:25.0 | aero-allergen levels decreased by up to 25%. Ultraviolet light is outside the range of visible light therapy, aero-allergen levels decreased by up to 25%. |
| 1:28.3 | Ultraviolet light is outside the range of visible light. But ultraviolet light comes in shorter |
| 1:33.3 | waves that the lens in our eyes filters out so we can't see it. Now, scientists have known for a long time |
| 1:39.3 | that the highest energy or shortest wavelength ultraviolet light UVC can kill some microorganisms like viruses |
| 1:46.1 | and bacteria. |
... |
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