Science
BBC Science Focus
HOW MANY ELECTRONS ARE THERE IN THE UNIVERSE?
It's difficult to know for sure how many electrons are in the Universe. British physicist Arthur Eddington (1882-1944) came up with a number in 1938, now known as the 'Eddington number'.
1 min |
November 2025
BBC Science Focus
MEAT YOU COULD MAKE YOURSELF
No livestock and no labs needed. A collective in Japan has come up with a kit that could help people grow meat in a Petri dish (in very small portions)
3 min |
November 2025
BBC Science Focus
Surf's up
These distinctive clouds are named after the two physicists - William Thomson (Lord Kelvin) and Hermann von Helmholtz - who studied the phenomenon that forms them. The peculiar wavelike shape of Kelvin-Helmholtz clouds is caused by two layers of the atmosphere moving at different speeds above and below the cloud layer.
1 min |
November 2025
BBC Science Focus
Spatial awareness could reveal dementia risk
Possible link suggested by results of small study
1 min |
November 2025
BBC Science Focus
Can't see the coral for the trees
This may look like the sort of fantasy forest you might get lost in during a dream, but it's very much real. That said, it's neither a forest, nor big enough for you to explore. And that's because the surreal structures you see here aren't trees. They're coral.
1 min |
November 2025
BBC Science Focus
Cleaner, greener fuels are coming to Formula 1. Here's what that means
The 2026 F1 championship will be raced using 'sustainable' fuels. But how much of a difference will it actually make to the sport's carbon footprint?
5 min |
November 2025
BBC Science Focus
Rogue planet is now the fastest-growing world ever seen
The hungry planet is swelling up like a star
1 min |
November 2025
BBC Science Focus
THE PEOPLE PLEASING TRAP (AND HOW TO ESCAPE IT)
Are you a doormat if you constantly make sacrifices for other people? Or are you simply being a nice person by putting others' needs ahead of your own? Psychologists think there's something deep at work
10 min |
November 2025
BBC Science Focus
Dinosaur 'superhighway' unearthed in the UK
The find could change our understanding and portrayals of dinosaurs
1 min |
November 2025
BBC Science Focus
Your dog really could be addicted to their ball, says new study
'Ball junkies' are real and some will go to great lengths to get their toy fix
1 min |
November 2025
BBC Science Focus
'Ageing atlas' reveals how time reshapes our genes
Scientists are building the clearest picture yet of how we age - right down to our cells and DNA
4 min |
November 2025
BBC Science Focus
IMMUNE TO EVERYTHING
Researchers are edging closer to a universal antiviral drug, a single medicine that could - if it works - treat every virus known to man and head off the next pandemic before it even starts
9 min |
November 2025
BBC Science Focus
Scrolling on the toilet could harm your health
The dirty habit may be more than just unhygienic
1 min |
November 2025
BBC Science Focus
We finally know why men don't live as long as women, say scientists
Males that spend less energy on sex and more on raising their children tend to live longer
2 min |
November 2025
BBC Science Focus
DO I HAVE ALEXITHYMIA?
We can all struggle to find the words to explain ourselves, but if you regularly experience feelings that you can't identify, you might have alexithymia.
1 min |
October 2025
BBC Science Focus
SHOULD I KEEP MY CAR KEYS IN A FARADAY BOX?
Potentially, yes. The invention of keyless entry means we can unlock our cars upon approach, something particularly helpful when you want to open the boot, but have your hands full of shopping.
2 min |
October 2025
BBC Science Focus
SHOULD I START SNIFFING ROSEMARY?
Is there any truth to the Shakespearean phrase 'rosemary for remembrance'? Actually, yes.
1 min |
October 2025
BBC Science Focus
Groundbreaking footage captures hidden moment of human fertility
Observing the crucial step in human development could help improve fertility and IVF
1 min |
October 2025
BBC Science Focus
THE GIANT PHANTOM JELLYFISH
Conjure in your mind a giant, deep-sea predator, and I bet there's a colossal squid lurking in there, perhaps with an even bigger sperm whale chasing after it.
2 min |
October 2025
BBC Science Focus
EDITOR'S PICKS...
This month's smartest tech
4 min |
October 2025
BBC Science Focus
'Clearest sign' of alien life on Mars found by NASA
Strange 'leopard spot' markings on a Martian rock could finally be the sign we've been waiting for that alien microbes once lived on the Red Planet
4 min |
October 2025
BBC Science Focus
Human brains emit a bizarre glow
Subtle light shines through our skulls in patterns that depends on what we're doing
1 min |
October 2025
BBC Science Focus
"Far from being the bad guy, cortisol is a hormone that's vital for our bodies and brains"
To complicate matters further, cortisol is also released in bursts, about every hour or so.
2 min |
October 2025
BBC Science Focus
HOW MANY ORGANS COULD I SURVIVE WITHOUT?
The annals of medical history prove that the average human meat sack is surprisingly resilient.
1 min |
October 2025
BBC Science Focus
MENTAL STRENGTH
Could a supplement used by athletes and bodybuilders help treat depression?
3 min |
October 2025
BBC Science Focus
Cortisol is actually good for you. Here's how to maintain a healthy level
Influencers are demonising a hormone that plays a star role in regulating your body
3 min |
October 2025
BBC Science Focus
HAS AI GOT AS INTELLIGENT AS IT'S GOING TO GET?
Generative AI burst into the public domain in 2022, with seemingly unlimited potential. But could its abilities be hitting a ceiling already?
5 min |
October 2025
BBC Science Focus
97% of autistic adults over 60 are undiagnosed
Their autism was missed during childhood, resulting in an 'overlooked' generation of autistics
1 min |
October 2025
BBC Science Focus
WELCOME TO THE DREAM WORLD
New technology aims to help you induce a lucid dream at will, enabling you to enter a state of consciousness where anything is possible. Dare you close your eyes?
8 min |
October 2025
BBC Science Focus
Electric toothbrushes
Whether you're seeking professional precision or just a thorough clean, these brushes use science and dentist-backed design to keep cavities at bay
3 min |