Newest TED Videos - Why Your Blood Should Flow Like Ketchup | Sean Farrington | TED

Your blood should have more in common with ketchup than just color, says chemical engineer Sean Farrington. Demonstrating the flow of everyday products like shampoo, peanut butter and ketchup, he makes the case for expanding the use of blood viscosity as a medical diagnostic, much like blood pressure. Learn more about the little-known field of rheology and how it could save lives — if taken seriously. (Recorded at TEDxWilmington on April 26, 2025) Join us in person at a TED conference: https://tedtalks.social/events Become a TED Member to support our mission: https://ted.com/membership Subscribe to a TED newsletter: https://ted.com/newsletters Follow TED! X: https://www.twitter.com/TEDTalks Instagram: https://www.instagram.com/ted Facebook: https://facebook.com/TED LinkedIn: https://www.linkedin.com/company/ted-conferences TikTok: https://www.tiktok.com/@tedtoks The TED Talks channel features talks, performances and original series from the world's leading thinkers and doers. Subscribe to our channel for videos on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. Visit https://TED.com to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more. Watch more: https://go.ted.com/seanfarrington https://youtu.be/LsM8fyov0iI TED's videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with our TED Talks Usage Policy: https://www.ted.com/about/our-organization/our-policies-terms/ted-talks-usage-policy. For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request at https://media-requests.ted.com #TED #TEDTalks #Science