In this issue:

Electromagnetism explained How meddling with the EM spectrum has changed the scientific world forever

Exploring the Trojan asteroids

Inside the city of caves and much more...

The world’s longest bridges - Discover the incredible feats of engineering closing some of the biggest land gaps.

Your skeleton explained - It gives you shape and encases vital organs, but this living structure is much more than a coat hanger for your body...

All about fat - Fat is a complex, active organ. Here’s how genetics, evolution, lifestyle and diet dictate how much we have beneath our skin.

Building One WTC - One World Trade Center rose from the ashes of the Twin Towers. Here’s how it was built...

Designer microbes
How altering the genes of tiny microbes can make them produce insulin for diabetics, strengthen cement and even make street lights.

Uncovering the secrets of Pompeii
How scientists unearthed an ancient Roman city buried by one of the most famous volcanic eruptions in history.

Future space stations
As the International Space Station approaches the end of its working life, NASA is looking at what might come next...

Conspiracy theories debunked
Arm yourself with logic and science to avoid falling foul of these mistruths.

How magicians perform tricks
We break the spell to reveal the workings behind some of the greatest illusions in history..

Resurrecting dinosaurs
Does the discovery of their cells – and possibly even DNA – mean we stand a chance of bringing these long-lost beasts back to life?

Building the Faroe Island tunnels
At up to 189 metres below the surface, these subsea tunnels connect the islands, their people and economies..

Nautomate: life-saving autonomous boats
Discover the marine rescue technology that removes humans from dirty and dangerous missions.

Super SpaceX rocket engine
This revolutionary new Raptor propulsion system is set to change space launches..

Orchestral arrangement
How the instruments of an orchestra are arranged in tandem with our brain functions.

Surviving the big freeze
Animals have all sorts of strategies for coping with cold temperatures, and some are pretty extraordinary.

The Eden Project explained
How the beauty and importance of global biodiversity is demonstrated by these giant plastic bubbles...

Gas mask evolution
What prompted the invention of a mask that could provide clean air in polluted and poisonous environments?

The power of thermite
When iron and aluminium mix, the consequences can be truly explosive.

Surprising ways natural disasters can turn deadly
Forget rivers of lava and strong winds… Earth’s most furious moments claim their victims in unexpected ways..

The first map-makers
How did ancient cartographers calculate and draw the contours of their countries?

Inside a giant fusion machine
JT-60SA will pave the way for making nuclear fusion a viable energy source of the future..

Surveillance from the stratosphere
This lightweight solar-electric aircraft is an alternative to high-altitude satellites.

Tiny living rainmakers
The culprits behind some of our rain could become a force for good...

The science of chocolate
Why each bite of this delicious confectionary contains a complex mixture of components that affects your body in many ways.

Why we’re made of stardust
Human beings, and everything else, are made from recycled elements that came from the stars..

Aboard the world’s largest cruise ship
Sail away on the Icon of the Seas, the latest luxury voyager that can hold around 8,000 passengers.

How airports are getting smarter
Discover the latest smart airport technology making air travel a safer and smoother process.

Making cement and concrete
Discover how these strong building materials are produced, and the price the planet pays for it..

SKIN DEEP
How snakes slip out of their old skin.

MEDIEVAL LIFE
Behind the doors of an 800-year-old home.

WATER FLYING
See inside an all-electric hydrofoil boat..

Alfred Nobel
Meet the man behind the prestigious Nobel Prize and discover its explosive origins.

Fascinating fruit
From the stench of the durian to the flavour-changing ability of miracle berries, discover the wonderful world of fruit.

Titans of space
Meet the pioneering space entrepreneurs helping space exploration take off..

MASS EJECTION
How a solar storm can affect us on Earth.

THE BLOB
Strange slime moulds that move like animals.

Rescue at sea
From the hammering surf to the ocean’s depths, these vehicles retrieve the missing and stranded..

Rise of the AI chatbots
How breakthroughs in artificial intelligence are making everyday chatbots smarter than ever.

Digging the Channel Tunnel
How one of the world’s longest undersea tunnels came to be.

Anatomy of a supervolcano
Discover the monster beneath the bubbling surface of Yellowstone National Park..

VOMIT COMET
How an aircraft can simulate antigravity.

FLY INSIDES
Explore a fruit fly’s tiny but vital organs.

DISASSEMBLY
This vehicle recycling line strips a car in 15 minutes..

Household minibeasts
Meet the creepy critters and pesky pests that call your house ‘home’.

Ten secret underground worlds
Delve deep into Earth’s rock, seas and ice to discover the most stunning subsurface spectacles.

Bomb suits explained
How this bulky armour defends against searing heat, violent explosions and flying fragments..

How marine animals sleep
The ways whales, sharks and other sea creatures get a good night’s sleep.

Inside a pinball machine
Plunge into the engineering of this popular arcade classic.

Car crash anatomy
How today’s technology can predict, prevent and assist in dangerous vehicle collisions..

Spacesuit science
How spacesuit technology has protected astronauts for decades.

Viking raiders
Portrayed as bloodthirsty pirates pillaging innocent villagers, Vikings also ruled the waves with a lucrative trade network..

IMMUNITY
This squad of cells puts pathogens in their place.

LIFE SUPPORT
The protective layers that make up a spacesuit.

STACK ‘EM HIGH
Cargo holders, cranes and container ships..

How wolves became dogs
Our canine companions have changed physically and mentally over millennia.

Inside the asteroid belt
The gap between Mars and Jupiter has no planets, and it’s surprisingly interesting for it.

Biometrics explained
Get to grips with the technology that can recognise your fingerprints, face and more..

How freedivers plunge so deep
Take a dip into this extreme sport and find out firsthand what drives divers deeper underwater.

Giant Martian volcano
The Solar System’s biggest mountain is three times as tall as Everest, but how did it get so big?

Nature’s craziest cannibals
From starvation to devouring an opponent, there are many reasons why an animal might feast on its own kind..

How cheese is made
The process that can turn spoiled milk into a favourite foodstuff.

Inside the world’s largest warship
Step aboard the USS Gerald R. Ford aircraft carrier and see how it compares to others in naval history.

How cats purr
Discover the purpose of this distinctive feline sound and why a purring cat is not always a happy one..

How AirTags track your belongings
Inside the discreet discs that allow you to find your lost possessions.

Lightning rod protection
How these vital structures found on tall buildings alter the path of lightning.

Why leaves turn brown in autumn
The cellular science behind seasonal leaf loss and why deciduous trees have evolved this way..

Secrets of the bog people
Meet the mysterious Iron Age mummies buried in Northwest Europe’s swamps.

Howard Carter
This archaeologist shot to fame when he discovered the tomb of the Egyptian pharaoh Tutankhamun.

Blue stars explained
Take a look at the hottest stars in the galaxy, living fast and dying young..

The lost city of Benin
The capital of Africa’s Benin Empire astonished Europeans with its beauty, so why is there nothing left?

Vocal cords explained
How the folds within your voice box give you the ability to shout, talk and sing.

Self-driving vehicles explained
This evolving technology is changing traffic dynamics and the way we drive..

Moles, freckles and skin tags
What makes these unique patterns form on your skin?

Fossil fuels vs alternative energy
The environmental cost of petrol and diesel is high, but alternative fuels could alleviate the impact on our planet..

Black box flight recorders
Why these devices found on most aeroplanes are virtually indestructible.

Hunting for truffles
How these rare culinary treasures grow underground..

The science behind your accent
How an accent is generated by the brain and shaped over time.

Inside NASA’s future Moon outpost
Take a look inside the lunar outpost that’s a future launchpad to the stars..

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The magazine that feeds minds, Welcome to How It Works, the magazine that explains everything you never knew you wanted to know about the world we live in. Loaded with fully illustrated guides and expert knowledge, and with sections dedicated to science, technology, transportation, space, history and the environment, no subject is too big or small for How It Works to explain.

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How It Works UK Magazine - Issue 121

How It Works UK Magazine - Issue 121

In this issue

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