Why your blood should flow like ketchup | Sean Farrington
TED Talks Daily7 Marras 2025

Why your blood should flow like ketchup | Sean Farrington

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.


Hosted on Acast. See acast.com/privacy for more information.

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Why does uncertainty bother us so much? | Adam Kucharski

Why does uncertainty bother us so much? | Adam Kucharski

Why do we find it easier to trust some concepts and ideas over others? Mathematician Adam Kucharski explores the science of uncertainty, revealing how the very human need for explanation shapes trust in science, fear of technology and belief in conspiracy theories. Hosted on Acast. See acast.com/privacy for more information.

28 Touko 202512min

The future isn't just coded — it's built | Lauren Dunford

The future isn't just coded — it's built | Lauren Dunford

Look around — almost everything you see was manufactured, from baby formula to AI data centers and beyond. Yet we rarely think about how it’s all made. Factory fixer Lauren Dunford pulls back the curtain on modern manufacturing, revealing just how thrilling and world-shaping this unsung engine of progress can be. Discover how reinventing this overlooked industry could be one of the most important opportunities of our time — and why we all have a role to play. Hosted on Acast. See acast.com/privacy for more information.

27 Touko 202512min

Let your garden grow wild | Rebecca McMackin

Let your garden grow wild | Rebecca McMackin

Many gardeners work hard to maintain clean, tidy environments ... which is the exact opposite of what wildlife wants, says ecological horticulturist Rebecca McMackin. She shows the beauty of letting your garden run wild, surveying the success she's had increasing biodiversity even in the middle of New York City — and offers tips for cultivating a garden that can be home to birds, bees, butterflies and more. Hosted on Acast. See acast.com/privacy for more information.

26 Touko 202514min

Sunday Pick: How to say no | WorkLife with Adam Grant

Sunday Pick: How to say no | WorkLife with Adam Grant

In a world filled with requests, many of us are struggling to stay afloat. Even if you’re not a people-pleaser, the desire to maintain a positive reputation can make it hard to turn others down. In this episode, Adam explores the art and science of delivering an effective “no.” He highlights strategies for setting boundaries with others to create space for yourself—and healthier relationships with those around you. Hosted on Acast. See acast.com/privacy for more information.

25 Touko 202536min

A comedian's take on how to save democracy | Jordan Klepper

A comedian's take on how to save democracy | Jordan Klepper

Conversation is a battlefield with only one winner. Or is it? Comedian and author Jordan Klepper believes we can get better at talking to each other (and perhaps save democracy) by learning how to lose. Hosted on Acast. See acast.com/privacy for more information.

24 Touko 20259min

Is this the time of monsters — or miracles? | Angus Hervey

Is this the time of monsters — or miracles? | Angus Hervey

Headlines warn of a world in collapse, but solutions journalist Angus Hervey finds the overlooked triumphs that never make the news — from the rollout of malaria vaccines to the recovery of sea turtles. With hard data and stories from the frontlines, he reveals the hidden progress that perseveres even as it feels like the world is falling apart, and challenges us to decide which future we'll help write. Hosted on Acast. See acast.com/privacy for more information.

23 Touko 202512min

Why love is harder in a second language | Magdalena Hoeller

Why love is harder in a second language | Magdalena Hoeller

Saying “I love you” often feels more meaningful in your first language than in any other language you learn later in life, explains linguist and polyglot Magdalena Hoeller. Unpacking the hidden challenges of intercultural relationships — from language barriers and humor gaps to subtle power dynamics — she shares how couples can turn these struggles into opportunities to grow closer. Hosted on Acast. See acast.com/privacy for more information.

22 Touko 202517min

This is what the future of media looks like | Hamish McKenzie

This is what the future of media looks like | Hamish McKenzie

What if the polarizing mess of social media, clickbait headlines and addictive algorithms isn't a breakdown of media but a transition to something better? Substack cofounder Hamish McKenzie explores how independent creators are growing a new media "garden," where trust beats engagement metrics and audiences matter more than ads. Learn why clicking “subscribe” doesn’t just signal support; it gives you power. Hosted on Acast. See acast.com/privacy for more information.

21 Touko 202512min

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