WHAT IS THE HELIOCENTRIC MODEL?

WELCOME Issue 164

“Particles like these could recreate mechanical machines on

Inside the brain

© Alamy These root-like red structures are called

Creating artificial stars

© ESO/A. Ghizzi Panizza The European Southern Observatory’s

Salmon sucker

© Getty Meet the salmon louse (Lepeophtheirus salmonis),

Inside the space bubble

© NASA Goddard Around 7,100 light years from

Skin made 30 years younger with a new technique

Fibroblasts labelled with fluorescent dyes GLOBAL EYE Showcasing

SECRET SHARK SOCIAL CLUB DISCOVERED OFF MEXICAN COAST

Two great white sharks swim beneath the water’s

Thousands of new viruses discovered in the ocean

More than 5,000 new RNA virus species were

Massive meteorite impact created the hottest mantle rock ever

The rock was found within the Mistastin impact

MAN’S ‘ITCHY EYE’ CAUSED BY SQUIRMING FLY LARVAE

The organisms were identified as sheep bot flies,

New body part found hidden in the lungs

The newfound cells help maintain a healthy respiratory

DECLASSIFIED DATA REVEALS INTERS TELLAR OBJECT FLYING OVER EARTH

A fireball that flared over Earth in 2014

World’s oldest case of cannibalism revealed

An artist’s impression of trilobites on the seafloor

Strange new solar wave defies physics

A NASA Solar Dynamics Observatory image of the

‘Magnetic anomalies’ may stop the Moon’s ice from melting

Large craters sit in permanent shadow at the

UFOs left ‘radiation burns’ and an ‘unaccountedfor pregnancy’

1,500 pages of UFO-related research were just declassified

SCIENTIS TS CREATE A WEIRD NUCLEUS THAT VANISHES IN NANOSECONDS

This artist’s impression shows the decay of a

WISH LIST

The latest ENERGY-SAVING GADGETS

How do fire breathers not burn themselves?

Preparation is key to the art of fire

Why does jelly wobble?

Jelly is a soft semisolid containing gelatine. Gelatine

How come some animals can change colour?

Flatfish take only a few seconds to change

EPIC ADVENTURES

SIX CONTINENTS AND 34 COUNTRIES ON 12 INCREDIBLE TRAIN JOURNEYS

MAKE YOUR DRAWING DISAPPEAR

Your artwork will vanish before your eyes with this refraction trick

MAKING A GENIUS

Dear HIW, If someone isn’t a genius already, can

FAST FACTS

Amazing trivia that will blow your mind

WHAT IS NANOTECH?

Enter the invisible world of tiny machines and materials, where everything measures 0.0001 millimetres or less

INTRODUCING NANOBOTS

Cell-sized robots could revolutionise medical diagnosis and treatment

TOXIC MUSHROOMS

Why some fungi are so poisonous and how to spot them

GROWING GLACIERS

How these vast ice flows form, grow and why they vanish

THE AMA ZING ANGLERFISH’S WEIRD LIFE

Deep below the ocean’s surface are deadly predators that lure their prey with light

21 SIMPLE LIFE HACKS

From food tricks to technology tips, here’s how science can offer a helping hand

HOW DO ELECTRIC KETTLES WORK?

These are the components inside a kettle responsible for bringing it to a boil

SOLAR STORMS

Every now and then the Sun ejects material into space – and it can play havoc with technology

VOYAGER’S GOLDEN RECORD

What information did the Voyager spacecraft carry into space?

EJECTION SE ATS E XPL AINED

Fighter pilots need life-saving technology if the worst happens, which is where ejection seats come in

CAR VENDING MACHINES

These giant dispensers make buying a car simple

JOURNEY THROUGH YOUR BLOOD VESSELS

Dive under the surface and discover the expanse of arteries, veins and capillaries that keep our cells energised and healthy

COMMON DISEASES OF BLOOD VESSELS

In the UK, diseases affecting blood vessels are

WHY WE GET DRUNK

How does alcohol affect the body?

HOW SUNSCREEN PROTECTS SKIN

Blocking the Sun’s harmful rays is important. Here’s how sunscreen does the job

WHAT IS NATO?

Why the North Atlantic Treaty Organization formed and what it’s done since its conception in 1949 to the crisis in Ukraine