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CONTENTS REGULARS 06 EYE OPENER The best science images from around the world. 12 FEEDBACK A selection of the physical and electronic mail that has arrived this month. 15 DISCOVERIES All the month’s biggest news, including: Hearing aids reduce the risk of death by almost 25 per cent; Photosynthesis without plants could make life on Mars possible; Daytime fatigue sleep disorder could be affecting millions; Genius dogs know tens of toys by name; and more… 26 PROF STEPHON ALEXANDER A journey from superconductivity to jazz improvisation highlights the unexpected possibilities of interdisciplinary science exploration. 46 SUBSCRIBE TODAY! Get 3 i s sues f or £5 and have ever y i s sue deli vered to your door when you subscribe to BBC Science Focus. 28 VICTORIA GILL Amid today’s eco-anxiety, inspiring discoveries are continuously being made, such as ‘ floating fuel factories’ based on a r t i f ic i a l le ave s . 30 PROF GILES YEO Your ‘desser t stomach’ is an evolutionary holdover f rom your ances tor s ’ day s on the Serengeti. 32 REALITY CHECK The science behind the headlines: The COVID inquiry – what did we le a rn? ; Dengue f ever – a possible solution; Dream tech – a headband to induce lucid dreaming. 39 INNOVATIONS The hottest trends shaking up the tech world. 78 Q & A Our experts answer your questions. This month: Is the Moon shrinking?; Why do cats wiggle before they pounce? Why is the pink lake in Australia pink? And more… 89 CROSSWORD Engage your grey matter! 89 NEXT MONTH A sneak peek at the ne x t i s sue. 90 BETTER LIVING THROUGH SCIENCE Dry January is a good star t . But there’s a reason why a drier February to December would be better for everyone’s health. 4 15 DISCOVERIES 32 REALITY CHECK Hearing aids could help you live a longer and fuller life, according to recen t re s ea rch. The COVID Inquiry: What did we learn about the UK’s response to the pandemic? 78 Q&A
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FEATURES 48 DINOSAURS: WHAT WE GOT WRONG New insights are increasing our understanding of dinosaurs and revealing the errors in our early attempts at palaeontology. 56 TIME TO CHANGE Feel like there are never enough hours in the day? Science can help you beat the clock and avoid burnout. 64 WHITE HOLES What happens when a black hole dies? Carlo Rovelli reveals how they could rebound into a new, reflected form. 72 THE BROKEN MIRROR Body dysmorphia is on the rise. What’s making so many people worry so much about parts, or all, of their bodies? 64 WHITE HOLES 39 INNOVATIONS Still unconvinced about the perks of vir tual realit y? The Meta Quest 3 could change that. WANT MORE? Don’t forget that BBC Science Focus i s av a i l able on a l l major dig i t a l plat f orms. We have ver s ions f or Android, a s well a s an iOS app f or t he iP ad and iPhone. C an’ t wait unt i l nex t month t o ge t your f i x o f s c ience and t ech? Our website i s packed wi t h news , f eatur e s and Q&A s t o keep your br a in s at i s f ied . sciencefocus.com INSTANT GENIUS Our bite-sized masterclass in podca s t f orm. F ind i t wherever you l i s t en t o your podca s t s . 24 DR JUSTIN HOLCOMB “THE COMMON NARRATIVE IS THAT THE MOON HAS A TRASH PROBLEM. BUT IT’S NOT TRASH; IT’S HERITAGE” LUNCHTIME GENIUS A DAILY DOSE OF MENTAL REFRESHMENT DELIVERED STRAIGHT TO YOUR INBOX Sign up to discover the latest news, v iew s and br eak t hroughs f r om the BBC Science Focus t eam sciencefocus.com/ newsletter 5

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CONTENTS

REGULARS

06 EYE OPENER

The best science images from around the world.

12 FEEDBACK

A selection of the physical and electronic mail that has arrived this month.

15 DISCOVERIES

All the month’s biggest news, including: Hearing aids reduce the risk of death by almost 25 per cent; Photosynthesis without plants could make life on Mars possible; Daytime fatigue sleep disorder could be affecting millions; Genius dogs know tens of toys by name; and more…

26 PROF STEPHON

ALEXANDER A journey from superconductivity to jazz improvisation highlights the unexpected possibilities of interdisciplinary science exploration.

46 SUBSCRIBE TODAY!

Get 3 i s sues f or £5 and have ever y i s sue deli vered to your door when you subscribe to BBC Science Focus.

28 VICTORIA GILL

Amid today’s eco-anxiety, inspiring discoveries are continuously being made, such as ‘ floating fuel factories’ based on a r t i f ic i a l le ave s .

30 PROF GILES YEO

Your ‘desser t stomach’ is an evolutionary holdover f rom your ances tor s ’ day s on the Serengeti.

32 REALITY CHECK

The science behind the headlines: The COVID inquiry – what did we le a rn? ; Dengue f ever – a possible solution; Dream tech – a headband to induce lucid dreaming.

39 INNOVATIONS

The hottest trends shaking up the tech world.

78 Q & A

Our experts answer your questions. This month: Is the Moon shrinking?; Why do cats wiggle before they pounce? Why is the pink lake in Australia pink? And more…

89 CROSSWORD

Engage your grey matter!

89 NEXT MONTH

A sneak peek at the ne x t i s sue.

90 BETTER LIVING

THROUGH SCIENCE Dry January is a good star t . But there’s a reason why a drier February to December would be better for everyone’s health.

4

15

DISCOVERIES

32

REALITY CHECK

Hearing aids could help you live a longer and fuller life, according to recen t re s ea rch.

The COVID Inquiry: What did we learn about the UK’s response to the pandemic?

78 Q&A

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