Why Do Onions Make You Cry? (Science Explained) #Shorts #scienceshorts #facts

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Shared May 15, 2026

It’s actually a tiny chemical defense system hidden inside the onion! The moment you cut an onion, its cells break and release a gas called syn-propanethial-S-oxide. This gas travels into your eyes and reacts with the natural water present there, forming a mild acid. Your eyes immediately try to protect themselves by producing tears to wash the chemical away — and that’s why you start crying while cutting onions. 💡 Fun Fact: Chilling onions before cutting slows down the chemical reaction, which means fewer tears! 🧅 This is one of the coolest examples of everyday chemistry happening right in your kitchen. 📌 Save this video for the next time onions attack your eyes Follow for more real-life science facts explained simply! #Shorts #ScienceFacts #Onion #Chemistry #EverydayScience #DidYouKnow #InterestingFacts #Education #KitchenScience #BrainBoost We believe education should be accessible, simple, and inspiring for every learner. Our goal is to help you build strong concepts, develop curiosity, and grow with confidence in your studies and beyond. 📌 For more learning updates and resources, connect with us on: Instagram: www.instagram.com/shivanicentral/ Facebook: www.facebook.com/profile.php?id=61578272400886 …………………………………………………. Disclaimer: This video is created solely for educational and informational purposes. We do not intend to infringe upon any copyright or intellectual property rights. If you believe that any copyrighted material has been used inappropriately, please contact us at theadhyaapika@gmail.com. We will review the matter promptly and take appropriate act