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SCIENCE

Why is it that sometimes if I try to remember something I can’t recall it, then it just comes to me later without trying?

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Issue 150
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WELCOME
WELCOME
The magazine that feeds minds!
REGULARS
BAT BABY
© Getty This is a coloured scanning electron
UP, UP AND AWAY
© Getty This is a snapshot of the
BEHIND THE EYES
© Alamy Behind the lens of an eye
STELLAR TANTRUM
© ESA/Hubble & NASA One of the rarer events
GLOBAL EYE Showcasing the incredible world we live in
SPACE
Meerkats happy to see zoo visitors return
Meerkats at a zoo in Italy during a
Antarctic sea creatures uncovered
On 26 February 2021, an iceberg large enough
70,000 viruses found in the human gut
An artist's illustration of the human microbiome ©
Ancient Greek helmet found in Israel
A well-preserved ancient Greek helmet likely worn by a
Monster antimatter particle slams into Antarctica
The surface portion of the IceCube Neutrino Observatory
Napping Arctic walrus wakes up in Ireland
This photo shows an Arctic walrus, like the
Plague of mice ravages eastern Australia
Mice in the cabinets. Mice in the streets.
The ISS dumps 2.6-tonne hunk of space junk
The orbiting lab discarded a 2.6-tonne pallet of
Earth may have a hidden core
Earth is made up of three layers ©
Super-Earth has super-fast orbit
We keep getting reminders that the Milky Way’s
First US COVID-19 vaccine vial headed to museum
The vaccine vial used for the historic first
WISH LIST
The latest educational robots
BOOK REVIEWS
The latest releases for curious minds
BRAIN GYM
GIVE YOUR BRAIN A PUZZLE WORKOUT
Make a red cabbage acid test
Test the pH level of household products with this vegetable 
INBOX Speak your mind…
A meteorite needs to survive its journey
SPECIAL
MASS EXTINCTION
THE DEATH OF THE DINOSAURS WAS JUST ONE OF FIVE GLOBAL EVENTS THAT SAW MILLIONS OF SPECIES WIPED OUT HOW DO THESE EVENTS HAPPEN?  
Holocene extinction
AROUND 8,000 BCE TO PRESENT
Turning back the clock
HOW SCIENCE IS TRYING TO SLOW DOWN THE SIXTH MASS EXTINCTION
Saving animals from space
DR OLGA ISUPOVA, CREATOR OF THE ELEPHANT-TRACKING AI, TELLS US HOW THIS TECHNOLOGY COULD BE USED IN THE FUTURE
The state of the sixth mass extinction
The International Union for Conservation of Nature (IUCN)
ENVIRONMENT
AMAZINGLY WEIRD AUSSIE ANIMALS
Meet some of the world’s strangest species from down under
Inside a rattlesnake’s rattle
What gives these reptiles their distinguishing sound?
HISTORY
GHOST TOWNS
These settlements were deserted and left to deteriorate. Come, explore them with us
LIFT TO THE ELEMENTS
These human-made structures sit empty and desolate around the world
Stanford Ovshinsky
The environmentalist and tech genius whose inventions transformed the devices in your home
TECHNOLOGY
SMARTER KITCHENS
HOW THE LATEST TECHNOLOGY IS  CHANGING THE WAY WE INTERACT  WITH EVERYDAY APPLIANCES AND  HOW WE PREPARE OUR FOOD
INSIDE A SMART KITCHEN
5 INTELLIGENT DEVICES
Folding phone teardown
Take a look inside the Samsung Galaxy Z Fold 2 smartphone
TRANSPORT
SAVIOURS OF THE SEA
How salvage vessels recover floundering ships and deep-sea wrecks
RECOVERY MISSION
Discover the power of a salvage tugboat
Hydrogen: the future of cars?
We’re heading towards a greener future, which could mean switching from petrol to hydrogen power
SPACE
MARS 2020
THE BOLDEST MISSION YET TO THE RED PLANET FEATURES THE PERSEVERANCE ROVER AND INGENUITY HELICOPTER
The Ingenuity helicopter
It may only weigh 1.8 kilograms, but Ingenuity is a highly innovative technology demonstrator
THE PERSEVERANCE ROVER
BRISTLING WITH SCIENTIFIC INSTRUMENTS, THE LATEST ROBOT EMISSARY TO MARS IS THE MOST SOPHISTICATED YET
How to identify a galaxy
Hubble’s ‘tuning fork’ sorts a bewildering variety of galaxies into a small number of basic types
NASA’s rocket hub
Take a look inside the Vehicle Assembly Building, where spacecraft prepare for liftoff
SCIENCE
WHEN FOOD GOES BAD
WHAT’S EATING AWAY  AT THE EDIBLES IN  YOUR KITCHEN?
WHAT CAUSES SPOILAGE?
FROM CREATURES TO CLIMATE, THESE ARE THE CULPRITS IN FOOD’S EXPIRATION
MEET THE MICROBES
HOW DO THESE CELLS FORM COLONIES, CONTAMINATING OUR FOOD?
HEAT-RESISTANT BACTERIA
THESE THREE BACTERIAL GROUPS CAN LIVE ON FOOD IN A RANGE OF TEMPERATURES
How we hear
See inside the vital organs that help us to communicate and make sense of our surroundings
How your metabolism works
Discover the many ways our bodies stay energised
BRAIN DUMP
Because enquiring minds need to know…
Is it only mammals that have emotions?
Scientists found evidence of emotions in sea bream
Why does Britain have a queen and a prime minister?
The queen and prime minister work together, neither
Why are some plants’ leaves purple?
© Getty scimaxfacts (Instagram) ■ A plant might have
Why is poo brown when we eat food of various other colours too?
Poo is brown because it contains waste products
Why doesn’t Mercury orbit on a wonky axis?
© NASA ■ All the planets in the Solar
Why is it called ‘Scotland Yard’ when it’s in London?
© Getty ■ The Metropolitan Police headquarters used
Are we constantly producing saliva?
© Getty ■ Yes. We normally produce the
Will we ever be able to go on trips to space?
Virgin Galactic’s VSS Unity took three people into
How can some birds fly as high as aeroplanes?
© Alamy ■ Bar-headed geese have been clocked
Do all galaxies rotate?
© NASA ■ Galaxies don’t rotate like solid
Was the Silk Road a real road?
© Getty ■ The Silk Road was actually
How much Drive space does Google have? Could it run out?
■ Google has 22 data centres around the
Why do trees live for so long?
Trees conserve their energy by growing extremely slowly,
Are Venus and Earth the only cloudy planets?
■ Clouds on Earth are formed from water
How does bulletproof glass work?
© Getty ■ Bulletproof glass is usually made
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