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CONTENTS

REGULARS

06 EYE OPENER

Incredible images from the world of science.

10 THE CONVERSATION

What’s been in our inbox this month.

13 DISCOVERIES

Find out more about all the latest science news and discoveries. This month: organs created with 3D printing; nterfering bonobo mothers; maggot sausages; rewilding.

32 REALITY CHECK

Find out about the science behind the headlines. This issue: is CBD oil a miracle cure? Is body positivity always a good thing? Is Chernobyl safe to visit?

63 MICHAEL MOSLEY

Enjoy a dippy egg in the morning? You can dunk those soldiers without worrying about cholesterol.

64 ALEKS KROTOSKI

Aleks loves the 1980s sci-fi classic They Live. And she’s especially excited by some new screen-obscuring glasses inspired by the film.

79 Q&A

Got a burning science question? Our resident panel of experts are here to help.

89 RADAR

Your guide to this month’s essential events, activities, tech and books.

38 SUBSCRIBE TODAY!

PREVIOUSLY BBC FOCUS MAGAZINE

Past, with flying colours

The lab cooking up ALIEN ATMOSPHERES ON EARTH Can rewilding FIX CLIMATE CHANGE? The fight against SLEEPING BEAUTY SYNDROME

TECHNICOLOUR DINOSAURS The new discoveries shedding l ight on their mysterious lives

SCIENCEFOCUS.COM

IN THIS ISS E IN THIS ISS E

£4.99 #337 JULY 2019

Chernobyl How wildlife and tourism ourished a er the disaster

CBD oil Mythbusting the latest health fad

Masculinity

The scientist who wants to redefine it

Diet Why eggs are definitely good for you

3D printing Human organs created from scratch

Save 40% when you subscribe to BBC Science Focus today!

97 NEXT MONTH

Have a sneak peek at what’s in the next issue of BBC Science Focus.

97 CROSSWORD

Our mind-bending crossword is like a gym for your brain.

98 A S C I E N T I S T ’ S

GUIDE TO LIFE Dermatologist Brian Di ey reveals the secrets of sunscreen and staying safe in the sunshine.

4

24

DISCOVERIES

32

REALITY CHECK

Scientists think that water was delivered to the Earth, thanks to the formation of the Moon.

CBD oil is being hailed as a magical cure-all. But is it really as useful as its many proponents claim?

40 SALT OF THE EARTH Yes, salt is great on chips, but i t has a life far beyond our dinner tables.