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BBC Science Focus - July 2025

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في هذا العدد

HOW TO BEAT THE AFTERNOON SLUMP Why your energy dips after lunch and what you can do to get it back. DEFENDERS OF THE EARTH Meet the people searching the skies for doomsday asteroids. INTRUSIVE THOUGHTS How to handle them and calm your mind. CHILL OUT EARTH The wild geoengineering fixes that could ease the climate disaster.

It's behind you!

Audun Rikardsen is on the hunt for whales. Don't worry, though, his intention isn't to kill them. He and his crewmate Emma Vogel (behind the camera) are looking to tag the massive sea mammals, so their movements can be tracked and their behaviour better understood.

1 mins

'Doomsday tsunami' is ready to strike the US

A 100ft mega tsunami could hit the US at any moment - and that's only the beginning

5 mins

New cholesterol treatment can cut levels by 69% after one dose

The future of heart attack prevention could be a single injection

2 mins

New contact lenses let people see in the dark...with their eyes closed

The new optical aids could even allow people with colour blindness to see more clearly in the future

1 mins

Common vitamin supplement could slow ageing

Vitamin D may protect cells from age-related decline

1 mins

Ginger cats are genetic freaks

On top of being certified agents of chaos, orange cats are now officially DNA freaks

1 mins

All humans emit subtle light until they die

When people tell you you're glowing, they're not wrong

1 mins

Only one country in the world produces all the food it needs

All other countries are vulnerable to the effects of war, natural disasters and trade disputes on their food supply

2 mins

Research team 'puzzled' by strange activity inside the Moon

Scientists may have discovered why the two sides of the Moon look so different

1 mins

New theory could finally make ‘quantum gravity' a reality... and prove Einstein wrong

A united Theory of Everything is the 'Holy Grail of physics'

3 mins

Decades-old sea monster mystery solved

Discovered in the 80s, the creature was unlike anything scientists had seen before

1 mins

Does having a 'dog baby' make us happier than having a human baby?

While fertility rates across the world are falling, more and more of us are choosing to parent pooches

5 mins

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

Dental experts are sounding the alarm about removing fluoride from drinking water. But how much of an impact will the ban actually have?

5 mins

CORAL-FRIENDLY SUNSCREEN

Chemicals in sunscreen can bleach and harm coral reefs, but a new product on the market hopes to replenish them

3 mins

TECH TO TURN YOU INTO A CYBORG

A future where humans can lift incredible weights, see in the dark and fly sounds far-fetched, but actually... it's already here

3 mins

EDITOR'S PICKS...

This month's smartest tech

2 mins

HOW TO BEAT THE AFTERNOON SLUMP

Recent research is revealing what's causing your post-lunch lethargy, why it stalls your productivity and the best ways to get your brain back into gear

8 mins

DEFENDERS OF EARTH

Meet the people who keep watch for world-ending asteroids

9 mins

WE NEED TO TALK ABOUT INTRUSIVE THOUGHTS AND HOW TO HANDLE THEM

Disturbing ideas occur to all of us. But what happens if you're struggling to let those thoughts go?

8 mins

CHILL OUT EARTH

Geoengineering has long been a taboo subject in scientific circles. But as Earth's climate continues to warm, experts are increasingly wondering if we could, and should, take more drastic action and start tinkering with the planet in the hope of saving it

9 mins

WHAT OUR ANCESTORS ACTUALLY ATE

Our hunter-gatherer forebears weren't the carnivorous cavemen we once thought. Which makes trying to build a diet based on what they ate not only unwise, but practically impossible

9 mins

Should my next boss be an artificial intelligence?

Humans are emotional, irrational and biased. Hardly an ideal recipe for running a company. So would an AI do a better job?

5 mins

CAN ANIMALS GET DRUNK?

It's not hard to find stories of animals getting tipsy. A moose in Sweden was found with its head stuck in a tree after being seen staggering around, eating fermented apples. Elephants in Botswana getting drunk on marula fruit. My pet rat, who would knock over my home brew and then lick up the spillage. They all seemed inebriated, but were they?

1 mins

HOW CAN I FIND OUT IF I SMELL?

We all stink some of the time, when bacteria get stuck in the sweat produced by our apocrine glands.

1 mins

THE TUFTED GROUND SQUIRREL

You know when you stare at cute things for too long and they start to look creepy? I'm thinking garden gnomes, baby dolls, any child in a princess outfit and all cats. Well, now there's another one to add to the list.

2 mins

HOW MUCH WILL EXERCISE CONTROL MY BLOOD PRESSURE?

High blood pressure is a major health concern, increasing the risk of heart disease, stroke and kidney problems. As a GP, I'm often asked how to manage it, and my advice always includes exercise. But how much is enough?

1 mins

WHAT IF WE BUILT A SUPER-COLLIDER AROUND THE MOON?

Somewhat surprisingly, scientists and engineers have indeed considered putting a super-collider on the Moon. Such a machine would operate just like the Large Hadron Collider (LHC), at CERN, near Geneva, the world's largest and highest-energy particle accelerator. These 'atom-smashers' create two particle beams travelling in opposite directions through ultrahigh-vacuum rings. Strong superconducting electromagnets accelerate the beams to almost the speed of light. The beams are then allowed to collide in one of the detector instruments, creating a cascade of other particles which are then measured and analysed.

1 mins

COULD SCIENTISTS UPLOAD AN ANIMAL BRAIN TO A COMPUTER?

The answer to this depends on what you mean by 'upload' and 'brain'.

2 mins

YVONNE TEVLIN, VIA EMAIL: HOW CAN I BEAT COMPASSION FATIGUE?

There are plenty of claims about the “best” sleep position — for example, it’s often thought that sleeping on your left side aids digestion.

2 mins

WHAT'S THE BEST POSITION TO SLEEP IN?

There are plenty of claims about the “best” sleep position — for example, it’s often thought that sleeping on your left side aids digestion.

1 mins

SOLITUDE SOLUTIONS

Shut the door, switch off your phone. Science says being alone is good for us

3 mins

اقرأ جميع القصص من BBC Science Focus

BBC Science Focus Description:

الناشر: Our-Media-Ltd

فئة: Science

لغة: English

تكرار: Monthly

BBC Focus Magazine is the magazine of popular science and technology that explains the wonders of the Universe through stunning photography and accessible articles. Contributors include the very best writers and science experts, with columns every issue from renowned science writer Robert Matthews, TV presenter and scientist Helen Czerski, and science fiction author Stephen Baxter. From archaeology to neuroscience, climate change and particle physics, BBC Focus Magazine keeps you up to speed with the cutting-edge science and gadgets that will change our world.