The Conversation

I love stories that make me rethink stuff I’ve spent my whole life taking for granted. An example is this explanation of how conversation works. Summoning a word in your mind and then saying it takes at least 600 milliseconds. Yet the most common gap between one person finishing a speaking turn and the next one starting is a third of that time, whatever the language.

This means our brains operate like a sophisticated version of predictive text. Instead of waiting for a sentence to finish, we continuously predict how it is likely to end. Even more fascinatingly, research by Ruth Corps at the University of Sheffield has found that people with some hearing loss are better at this prediction skill than those who hear clearly.

Is someone in your social network a “hassler”? That’s the name given by researchers to people who are a persistent source of stress for their friends or family. And the really bad news is, they could be making you age faster.

Finally, something else I’ve just learned – the emerging field of neurofinance uses brain research to better understand financial decision-making. It can even help to explain why financial markets react unevenly to different types of climate risk, and what this means for your pension.

Mike Herd

Senior Science and Technology Editor

Benjavisa Ruangvaree Art/Shutterstock

How conversation works – and why people with hearing loss rely more on their powers of prediction

Ruth Corps, University of Sheffield

We often think of conversation as effortless. In fact, it’s a finely tuned dance of listening and speaking.

Antonio Guillem/Shutterstock.com

Difficult friends and relatives could be making you age faster – new study

Ann Marie Creaven, University of Limerick; Chloe Boyle, University of Limerick; Srebrenka Letina

The people in our lives can protect our health – but new research suggests that those who consistently cause us stress may actually be ageing us faster.

The floods that hit the Valencia area in autumn 2024 put climate risk front and centre of investors’ minds. Vicente Sargues/Shutterstock

Why a short, sharp climate shock affects your pension more than a slow, looming threat

Narmin Nahidi, University of Exeter

Financial markets react more strongly to sudden, visible events like storms, even when gradual changes like rising sea levels might be equally devastating.

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