BBC Science Focus

BBC Focus is a monthly magazine based in Bristol, UK, dedicated to exploring science and technology. Published by Immediate Media Company and currently edited by Daniel Bennett, the magazine caters to both casual readers and those with a scientific background. Originally called Focus, it was rebranded to BBC Focus after being acquired by BBC Magazines in 2005. The magazine includes regular features and interviews with well-known personalities from the science world.

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Here’s what could happen to your teeth if fluoride disappears from drinking water

2 weeks ago | sciencefocus.com | Ana Santi

Utah became the first US state to ban fluoride from being added to public drinking water in March. Soon after Florida followed suit, with US Health Secretary Robert F Kennedy Jr telling the Centers for Disease Control and Prevention (CDC) to stop recommending fluoridation nationwide.
We’re replacing babies with dogs. And it could be making us happier

2 weeks ago | sciencefocus.com | Christian Jarrett

I'll never forget the day my wife and I drove to pick up our miniature schnauzer puppy. She was just four weeks old and could sit upon my palm. On the way home, I sat with her on the back seat as she cosied up to my lap, looking up at me with those big, adorable eyes. In the weeks and months that followed, we used to joke that it felt like a dress rehearsal for having a human baby.
New issue: Are we aliens?

2 weeks ago | sciencefocus.com | Holly Spanner

Is there life elsewhere in the Universe? If you look at the deep-field images taken by the James Webb Space Telescope, it’s easy to believe there might be something. Those images capture a portion of the sky smaller than a grain of sand held at arm’s length, and yet, in them, you can see thousands of galaxies. Within each of the galaxies are billions of stars. In the face of those odds, it just feels implausible to think our little rock is the only one where life found a way.
A daily helping of this common pantry staple may lower your cholesterol, study finds

3 weeks ago | sciencefocus.com | Tom Howarth

Eating a daily serving of chickpeas could significantly lower cholesterol levels, according to new research presented at the NUTRITION 2025 conference in Orlando. The 12-week study, conducted by researchers at the Illinois Institute of Technology, investigated the effects of eating one cup of chickpeas or black beans per day in 72 adults with prediabetes. Participants were randomly assigned to eat chickpeas, black beans or rice (used as a control) alongside their regular diet.
A 100 ft 'mega tsunami' could hit the US at any moment. And that’s only the beginning

3 weeks ago | sciencefocus.com | Tom Howarth

The Cascadia Subduction Zone, a massive fault line stretching from northern California to British Columbia, has been eerily quiet for 300 years. When it finally ruptures, it’s expected to trigger a colossal earthquake that could rattle the Pacific Northwest for minutes. Even worse, tsunami waves up to 100 feet (30m) high will likely crash ashore, unleashing devastation along the coast.
Drinking sugar (even in juice) is more unhealthy than eating it, study claims

3 weeks ago | sciencefocus.com | Hatty Willmoth

Drinking sugary beverages raises the risk of type 2 diabetes more than eating sugary foods, claims a new studyThe research, from Brigham Young University (BYU) in the US, found that sugary drinks – including sodas and fruit juices – were associated with a higher risk of developing the disease, while no such connection was observed for sugar consumed through food.
6 brutal hurricanes could soon hit the US. Here's what that means

4 weeks ago | sciencefocus.com | Tom Howarth

The Atlantic hurricane season hasn’t even begun, and forecasters are already sounding the alarm. Yup, you heard that right: the 2025 season, which officially runs from 1 June to 30 November, is expected to be an unusually active one. According to the US (NOAA), there’s a 60 per cent chance of above-normal activity – they're predicting up to 19 named storms, as many as 10 hurricanes, and between 3 and 5 major hurricanes (category 3 or above).
These extremely rare videos show sharks feeding together

1 month ago | sciencefocus.com | Hatty Willmoth

Rare footage has been captured of a large group of sharks, peacefully feasting on a decaying carcass off the coast of Hawaii. The oceanic whitetip and tiger sharks happily shared the blubbery remains, displaying no aggressive behaviour towards each other or any of the camera crew filming them. Marine biologists at the University of Hawai’i at Mānoa studied this event and recently published their findings in the scientific journal Frontiers in Fish Science.
How to spot dementia early and reduce your risk by half

1 month ago | sciencefocus.com | Anthea Rowan

I don’t have to think very hard to remember when my mother’s memory revealed the first tiniest clues that all was not well. We were on the phone. I recounted a story of my best friend, Caroline. “Who’s Caroline?” she asked. I had known Caroline since I was very young; she was a significant part of my life. And Mum’s. I told myself my mother’s lapse was on account of the dislocation that comes with a conversation that isn’t face-to-face. That my reference to Caroline was out of context.
Why Trump’s $175bn 'Golden Dome' could be a disaster, according to a weapons expert

1 month ago | sciencefocus.com | Tom Howarth

On 20 May 2025, Donald Trump announced one of the most ambitious and controversial defence initiatives in US history: the Golden Dome. The proposed $175 billion programme, which Trump wants completed before the end of his term in January 2029, aims to create an all-encompassing missile shield to protect the US from nuclear threats, including intercontinental ballistic missiles (ICBMs) and hypersonic weapons.