CONTENTS
REGULARS
08 EYE OPENER
Awe-inspiring images from the world of science and tech.
12 THE CONVERSATION
Find out what’s been in our inbox this month.
15 DISCOVERIES
All the latest science news and discoveries. This month: a tumour-killing device that coaxes cancer cells away from the brain; disco squirrels; a Star Trek
replicator; faecal transplants, and more.
32 REALITY CHECK
Find out about the science behind the recent headlines. This issue, we investigate air pollution, the four-day working week and screen time.
38 SUBSCRIBE TODAY!
57 MICHAEL MOSLEY
Michael has been trying out his new standing desk, and thinks we should all get o our backsides too.
58 ALEKS KROTOSKI
Our love of online sharing is making everywhere a bit, well, samey. And we only have ourselves to blame.
75 Q&A
Find out the answers to all your burning science questions.
87 RADAR
Your guide to the essential science, TV, radio and books this month. PLUS: smart home gadgets that protect your privacy.
95 NEXT MONTH
Find out what’s in the next issue of BBC Science Focus.
95 CROSSWORD
Get your brain in gear and a empt our mind-bending cryptic crossword.
Half-price introductory o er when you subscribe to BBC Science Focus today!
98 A S C I E N T I S T ’ S
GUIDE TO LIFE Kathleen Vohs, a behavioural scientist at the University of Minnesota, tells us that messy rooms may aid creativity, but tidy spaces make us more generous.
6
36
SCREEN TIME
75
Q&A
Recent reports link screen time to impaired development, but is there more to the story?
Should you give the kiss of life to someone who’s having a heart a ack?
28
DISCOVERIES Why is the magnetic north pole moving?