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BBC Science Focus Magazine
January 2023
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Other Articles in this Issue


Editorial
FROM THE E DITOR
COVER: MAGIC TORCH THIS PAGE: IAN BEESLEY/BORN IN
REGULARS
And away we go…
A few hours after the Artemis 1 mission
Streaming spawn
HOKKAIDO, JAPAN
DISCOVERIES
“This is a huge boost for all fusion
NUCLEAR FUSION BREAKTHROUGH BRINGS UNLIMITED CLEAN ENERGY ONE STEP CLOSER
For the first time, the atom-smashing technique has been successfully used to generate more energy than researchers put in
‘HEART ATTACK ON A CHIP’ COULD UNLOCK NEW CARDIAC TREATMENTS
The new device allows researchers to observe changes to heart tissue in real time
GROUND-BREAKING SCREENING TEST CAN CATCH 14 CANCERS IN THE EARLY STAGES
The new test, which measures metabolic sugars found in the blood and urine, could boost cancer survival rates
SNOW TYRES INSPIRED BY POLAR BEAR PAWS COULD PROVIDE BETTER GRIP
Tiny structures on the bears’ paw pads produce the traction that allows them to move freely on ice and snow
COVID: THE CAUSE OF LONG-TERM SMELL LOSS MAY HAVE BEEN FOUND
A similar mechanism could also be responsible for other symptoms of long COVID, such as brain fog, shortness of breath and fatigue
FERMENTED FOODS COULD CONTAIN A CURE FOR BAD BREATH
Probiotic bacteria found in yoghurt, kimchi and sourdough bread have been identified as a temporary remedy for halitosis
STONE WEAPONS MAY LINK THE ICE AGE PEOPLES OF NORTH AMERICA AND NORTHEAST ASIA
The discovery of North America’s oldest-known stone dart tips is shedding new light on ancient societies
BIODIVERSITY
What is the current state of the Earth’s flora and fauna, and what can we do to protect it?
THE FUTURE’S BRIGHT…
As a remedy for all the bad news out there, let us prescribe you a small dose of feel-good science. Each issue, we’ll give you a rundown of the latest breakthroughs that aim to solve humanity’s biggest problems. From reversing optical degeneration to finding fuel in thin air, here you’ll find many reasons to feel hopeful for our future…
HOW YOU COULD HELP PROTECT EARTH FROM AN ASTEROID HIT
An asteroid that recently crashed in Ontario highlights the key role of amateurs in tracking asteroids heading for Earth
NEW YEAR, SAME YOU?
Don’t worry if you’ve broken your New Year’s resolutions already. Try reframing them, and starting again
LANGUAGE LEARNING MODELS ARE REVOLUTIONISING CONVERSATIONAL AI
Chatbots like ChatGPT can engage in increasingly realistic conversations, but there’s still a lot we need to figure out
A SIMULATION WORMHOLE: COULD THIS HELP PHYSICISTS UNITE GRAVITY AND QUANTUM THEORY?
Are physicists nearing the discovery of a holy grail ‘theory of everything’?
PET GRIEF: WHY LOSING A DOG OR CAT IS LIKE LOSING A FAMILY MEMBER
Studies reveal that the bereavement of a pet can be as traumatic as that of a human family member
SCREAMING THERAPY: DOES IT REDUCE STRESS?
The idea that started in the 1970s is once again becoming all the rage, but does it really work?
INNOVATIONS
PREPARE YOURSELF FOR TOMORROW
Amazon Kindle Scribe: a great device with an identity crisis
The Amazon Kindle Scribe is a brilliant e-reader, but by trying to do everything, it isn’t the best at anything,
The five best air fryers
An essential piece of kit for the kitchen, says Emily Peck
Ideas we like…
Our pick of the month’s smartest tech
FEATURES
LOVE HURTS
SLICING, BITING, SLASHING, CANNIBALISING … THESE ARE NOT WORDS WE WOULD NATURALLY ASSOCIATE WITH ROMANCE. BUT THERE IS BEAUTY AND SPLENDOUR TO BE SEEN IN THE SHADIER SIDE OF ANIMAL MATING
3 ISSUES FOR £5
WHEN YOU SUBSCRIBE TO BBC SCIENCE FOCUS TODAY*
OBSESSION
Why there are some ideas our brains can’t shake
GOONHILLY: TO INFINITY AND BEYOND
IN NOVEMBER 2022, GOONHILLY MADE HISTORY AS IT TRACKED NASA’S ARTEMIS 1 MISSION TO THE MOON. BUT THAT’S NOT THE END OF THE STORY. THE LITTLE-KNOWN STATION, NESTLED IN THE TOE-TIP OF ENGLAND, IS POISED TO BECOME THE UK’S WINDOW TO THE NEXT ERA OF SPACE EXPLORATION
TRY 3 ISSUES FOR £5 *
3 ISSUES FOR £5! When you subscribe to
Q&A
YOUR QUESTIONS ANSWERED ... WHY DO THE VELOCIRAPTORS
CRISPR THE EXPLAINER
THE GENOME-EDITING TOOL THAT IS CHANGING THE BUILDING BLOCKS OF LIFE ITSELF
CROSSWORD
PENCILS AT THE READY!
SAVE THE WHITE RHINO
The last two northern white rhinos are both female. But science says the species can survive.
Are we ready for first contact?
Could we happily accommodate aliens in our lives, just like in the Star Trek universe?
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