28 September 2019 | New Scientist | 16 UN climate summit Protests as world leaders discussed climate goalsHE
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AGENews
On the
cover38 How screen time
impacts our brains
Here’s what you really
need to know44 Why humans are good
Neurophilosopher Patricia
Churchland on the surprising
origin of our moralityVol 243 No 3249
Cover image: Feifei Ruan34 People of the ice
The lost Arctic
civilisation that changed
the course of history5 Has Google cracked quantum computing?
7 Galaxies that defy physics 8 Japan’s frightened frogsThis week’s issue
News
Views
Features
5 Quantum supremacy
Google claims it has
reached a major quantum
computing milestone9 Prehistoric baby bottles
Ancient pottery may have been
used to feed children milk15 Hat that zaps bald spots
A cap fitted with an electric
patch could reverse hair loss24 Comment
Laura Spinney on medicating
people so they can stand trial25 The columnist
James Wong on the truth
about “ancient grains”26 Letters
Solving the problem
of emissions from deliveries28 Aperture
Detailed dinosaurs
get a London outing30 Culture
Bill Bryson on the wonder
of the human body51 Stargazing at home
How to navigate by the stars52 Puzzles
Quick crossword, a darts
puzzle and the quick quiz53 Feedback
Political seances and food for
thought: the week in weird54 Almost the last word
Water movements and battery
life: readers respond56 The Q&A
Sam Rogers on designing
and flying a jet suit34 People of the ice
America’s earliest pioneers38 Screen time: The truth
Should we be trying to curb
our phone use?42 Britain’s first astronaut
Helen Sharman on Earth’s future44 Why humans are good
How did we overcome our
natural selfishness?The back pages
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