Hayley Bennett
Hayley is a science writer and (sustainably sourced) fish finger sandwich fan, based in Bristol, UK.
Recent articles by Hayley Bennett
How long should we extend human life?
We’re all getting older. But how long should we be able to keep getting older for?
Tongue scraping could lead to fresher breath, science says. Here’s how to do it properly
Adherents of the practice claim that it can be effective in removing odour-causing bacteria.
9 ingenious rescue robots set to become the lifesavers of tomorrow
These cutting-edge droids could mean the difference between life and death after a natural disaster.
UFOs and mammoth meatballs: 18 best eye-opening science images of 2023
The most inspiring shots from around the world, featuring flying rhinos, birthing stars, and volcanoes on the brink.
Human eyes: How they work, and their mind-blowing anatomy
Our eyes are crucially important in so many ways, but they are also incredibly complicated.
The ultimate guide to your brain - and how to keep it healthy for decades
Explore the wonders of your grey matter, the organ that makes you you.
Indoor air pollution could be damaging your DNA right now. Here’s how to reduce it
From roast dinners to scented candles, the average household contains dozens of potentially harmful pollutants.
We’re taking more sick days than ever. Here’s what’s really happening
The average UK employee now takes around eight sick days a year.
How does the fitness app on my phone know how many steps I’ve taken, especially if it’s in my bag?
Your phone can measure your movements but overestimates your daily steps.
Are there really wallabies living in the UK?
Wallabies are present in the UK after escaping from private collections and zoos.
How do varifocal glasses work?
Varifocals combine different prescriptions into a single lens.
The (very gross) reason you should swap your washing-up sponge for a brush
Scientists have revealed that a gigantic number of bacteria live on your typical sponge.
Skin cancer cases are rising. Here's what we can do about it
Global figures are expected to reach 2.7 million by 2040.
The health risks and rewards of becoming an older father: What you need to know
Movie stars Al Pacino and Robert de Niro have both recently had children in their later years.
Robo crops: Meet the laser-wielding, AI machines taking over a farm near you
In the west, farm workers are in short supply... but robots are ready to take their jobs.
Why does my mouth open when I’m applying mascara?
Intense focus, raised eyebrows, and a slightly open mouth, combine to create a familiar 'look' when trying to achieve the perfect lash.
Why do we never forget how to ride a bike?
Said of skill that, once learned, is never forgotten.
An AI created robots out of living tissue. Then they started to reproduce…. Meet the xenobots
Scientists are using living materials to make machines that some would regard as alive… and now they’ve started to replicate
The new science of dementia: Everything you need to know, from causes to risk factors
It's not an inevitable part of ageing.
What are white, pink and brown noise?
Hang on a minute, you may be thinking, I’ve heard of white noise – that untuned radio sound that parents play to sleepless babes – but brown and pink?
The 17 most stunning photographs of 2022 – and the science behind them
Featuring robot spiders, lava fields, far-flung galaxies, no-bum microbes, historic starbursts and much much more.
Cost of living: Could cold homes make us ill?
With household bills rocketing and wages remaining stagnant, many of us are leaving our heating off in an effort to save money. But could this impact our health?
The vagus nerve: Everything you need to know
It's the body’s information superhighway that tells your organs how to rest.
Tinnitus: Everything you need to know
What is it? What causes it? How is it treated? Will it go away on its own? All your questions, answered.