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Curated Video
The Chemistry of Pepper: The Spice that Changed the World
This week Reactions is taking a look at the chemistry of pepper. Pepper is one of the most common condiments in the world today, but it used to be more valuable than gold. In the our latest video, we examine how pepper's delectable...
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Why Do We Itch?
Our skin is the first line of defense against insects, parasites, and other irritants. How do we defend it? Step inside the science of scratching with a video from an informative playlist. Topics include how itching evolved, what happens...