31 August 2019 | New Scientist | 1
On the
cover
42 Are we alone?
We can finally answer the
biggest question in the cosmos
30 Selling happiness
How positive thinking
became big business
12 Quantum teleportation
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News
Views
Features
6 Brexit hate speech
The UK government is
using AI to predict spikes in
Brexit-related hate crimes
7 Polio success
Wild polio virus has been
eradicated in Nigeria, but
the battle isn’t over yet
20 Dawn of the pyrocene
Arctic wildfires could spur
a powerful feedback loop
23 Comment
Genetic medicine tests the
limits of patient confidentiality,
says Laura Spinney
24 The columnist
James Wong delves into claims
that fruit is bad for you
26 Letters
Using biomass to make fuel
is a criminal waste
28 Aperture
Shipping glints from space
30 Culture
The psychology of happiness
feeds a vast industry
51 Maker
Build a mini weather station
52 Puzzles
Quick crossword, a riddle of ages
and the quiz
53 Feedback
Sexy pavement lichen and a robot
priest: the week in weird
54 Almost the last word
Readers explain why water
hydrates and dogs roll over
56 The Q&A
Niamh Nic Daeid on a paradigm
shift in forensic science
34 Bad back?
The most common treatments
for chronic back pain may be
making it worse
38 Refreezing the Arctic
If we want to save the frozen
north, we may have to bring
the ice back ourselves
42 Are we alone?
After millennia of guesswork,
we can finally start finding out for
certain, says Sarah Rugheimer
The back pages
8 Coastal erosion Crumbling cliffs prompt communities to retreat
Vol 243 No 3245
Cover image: Belovodchenko Anton/Shutterstock
34 Bad back?
There’s a back pain epidemic.
Most treatments make
things worse.
Here’s why, and what
you can do
38 Refreezing the Arctic
Three ways to engineer
the ice cap back
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News
5 Amazon on fire 10 Koala microbiome 17 Spy gliders
14 Pollution and mental health 13 How old is your brain?
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