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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These extremely rare videos show sharks feeding together

1 week 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 week 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

2 weeks 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.
A vast hidden energy source is lurking beneath the US

2 weeks ago | sciencefocus.com | Tom Howarth

A vast, untapped source of clean energy lies beneath the western United States – one that could potentially supply around 10 per cent of the country’s electricity, according to a major new assessment by the United States Geological Survey (USGS). The study, part of a decades-long effort to chart the nation's geothermal potential, focuses on the Great Basin region, spanning Nevada, Utah, California, Idaho, Oregon and Wyoming.
Scientists finally solve bizarre 40-year-old sea monster mystery

2 weeks ago | sciencefocus.com | Tom Howarth

A bizarre ancient marine reptile has been formally identified – decades after its fossils were first discovered in Canada. The 12-metre creature, Traskasaura sandrae, was a long-necked plesiosaur – a type of predator that lived alongside the dinosaurs – with a bizarre anatomy and a rare top-down hunting style.
Only one country in the world produces all the food it needs, study finds

2 weeks ago | sciencefocus.com | Hatty Willmoth

Out of 186 countries, only Guyana produces enough food to self-sufficiently feed all its citizens without foreign imports, according to new research. The study, published in Nature Food, investigated how well each country could feed their populations in seven food groups: fruits, vegetables, dairy, fish, meat, plant-based protein and starchy staples. Worldwide, the study found that 65 per cent of countries were overproducing meat and dairy, compared to their own population’s dietary needs.
17 simple ways to lower your risk of stroke, dementia and depression all at once

2 weeks ago | sciencefocus.com | Tom Howarth

Stroke, dementia and late-life depression. They’re the heavy hitters of getting old – no one wants them, and yet they’re surprisingly common in our ageing population. What’s more, there’s so much information out there nowadays that it can be difficult to know where to begin when it comes to prevention. Are these things simply genetic? Are they a consequence of our life circumstances? Or are there things you can actually do that make a difference?
‘This is revolutionary!’: Breakthrough cholesterol treatment can cut levels by 69% after one dose

2 weeks ago | sciencefocus.com | Hatty Willmoth

A single shot of a new drug can lower cholesterol levels by up to 69 per cent, according to the initial results of a clinical trial that has not yet been peer reviewed. The treatment, called VERVE-102, could transform the future of heart attack prevention by dramatically reducing a person's levels of LDL cholesterol – the so-called ‘bad’ cholesterol – with just one injection. While statins can lower a person’s cholesterol levels by similar levels, these generally need to be taken daily.
All humans emit subtle light until they die, study suggests

2 weeks ago | sciencefocus.com | Hatty Willmoth

You, along with all living things, produce subtle, ethereal, semi-visible light that glows until you die, according to a recent study. You would be forgiven for jumping to the conclusion that this spooky luminescence is evidence that auras exist, or something similar. But Dr Daniel Oblak, physicist at the University of Calgary and last author of the study, told BBC Science Focus that, while auras are a metaphysical, spiritual, unscientific idea, this light is not.
Here’s what actually shapes your prostate cancer risk

2 weeks ago | sciencefocus.com | Tom Howarth

Prostate cancer is the most common cancer in men, with around 1 in 8 men being diagnosed in their lifetime – now including former US President Joe Biden. But not all prostate cancers are life-threatening – in fact, many are so slow-growing that they’ll never cause harm. “There are essentially two types of prostate cancer,” Dr Hayley Luxton, head of research impact and engagement at Prostate Cancer UK, explains. “I refer to them as ‘pussycats’ and the ‘tigers’.