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CONTENTS

REGULARS

06 THE BEST SCIENCE

IMAGES OF 2023 The most awe-inspiring shot s f rom a round t he world.

20 FEEDBACK

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

23 DISCOVERIES

All the month’s biggest news: Biz a r re g i ant pla net could rewrite the rules of sola r s y s tems ; Your t a s te buds could be encouraging you to binge eat ; New NASA AI tool shows how climate change might affect you; Hidden signals under Earth’s crust could help US predict future quakes; Scientists f inally work out what causes unusual i t ching ; You’re more likely to lose weight if your doctor is optimistic; Modelling comet impacts could help us locate life on other planets; plus the science breakthroughs to watch out for in 2024.

52 SUBSCRIBE TODAY!

S ave over 50% and ge t ever y i s sue deli vered to your door when you subscribe to BBC Science Focus.

34 DR KATIE MACK

Understanding antimatter could help explain why the Universe exists.

36 DR DEAN BURNETT

How the best intentions can lead to the very worst t ypes o f behaviour.

38 DR MICHELLE

GRIFFIN Closing the gender pain gap will help women get proper medical t reatment .

40 REALITY CHECK

The science behind the headlines: Volcanic eruptions; Cat coronavirus; Wooden satellites.

46 2023’S BEST

INNOVATIONS The tech f rom t he pa s t year that pushed boundaries the furthest.

80 Q & A

Our experts answer your questions. This month: Why am I a lw ay s running late? How does insomnia affect driving? What really happened in t he Bermuda Tr i a ng l e? 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 Why you should fling your windows open daily this winter – for a bit , at least.

4

23

DISCOVERIES

40

REALITY CHECK

A newly discovered giant planet is too close to it s parent star for current theories to explain.

There’s widespread volcanic activity at the moment. Is it a sign that a major eruption is brewing?

80 Q&A

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