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
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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.