25 January 2020 | New Scientist | 3MANY
CONDITIONS,
A radical new theory of mental illness ONE CAUSE?
offers fresh hope for treatmentInside story of China’s MOON GARDEN
lunar farm
How Stone Age travellers OVER THE HORIZON
ASTEROID INCOMreached AustraliaING
The people with a plan to prevent an apocalypse
WEEKLY 25 January 2020LIVING CONCRETEPLUS GOOP LAB SCIENCE / / CRISPR CHICKEN A WOLF CUB PLAYS FETCH / MYSTERY DRONES/^THE GREAT NUTRIENT COLLAPSE
Is our food really getting less nutritious?
9 770262 407312No 3266 £4.95 CAN$7.99 0411 Dopamine hit An AI learning technique is used by our brains tooKA
TE
RY
NAKON/SCIENC
E^ PHOTO
LIBRARYNews
34 Features
“ For millennia, we’ve put
psychiatric conditions in
separate corners, but maybe
that’s not how it works”
On the
cover15 Moon garden
Inside story of China’s
lunar farm38 Over the horizon
How Stone Age travellers
reached Australia42 Asteroid incoming
The people with a plan
to prevent an apocalypseVol 245 No 3266
Cover image: Angela Southern34 Many conditions,
one cause?
A radical new theory of
mental illness offers fresh
hope for treatment24 The great nutrient
collapse
Is our food really getting
less nutritious?23 Goop Lab science 18 A wolf club plays fetch
18 Living concrete 9 CRISPR chicken 14 Mystery dronesThis week’s issue
News
Views
Features
8 Our ghost lineage
Long-lost branch of
human history revealed9 Restoring fertility
Cell injections found to
rejuvenate ovaries20 Allergy food fight
Are baby-weaning guidelines
the reason food allergies have
become more common?23 Comment
Bad science in The Goop Lab is
easy to fall for, says Clare Wilson24 The columnist
James Wong on claims
that food is less nutritious26 Letters
Pedestrian-friendly cities
need room to play too28 Aperture
Making an artificial glacier
in the Himalayas30 Culture
Why civil rights go hand
in hand with access to IT51 Science of cooking
Make tofu for Chinese
New Year52 Puzzles
A black hole cryptic crossword
and a land problem53 Feedback
Spoon-bending and military
dolphins: the week in weird54 Almost the last word
Red sky at night and shampoo vs
shower gel: readers reply56 The Q&A
Brendan Walker on designing
thrilling experiences34 Many conditions,
one cause?
The surprising connections
making us rethink mental health38 Over the horizon
The epic Stone Age journey
to discover Australia42 Asteroid incoming
A step-by-step guide to how
we would save the planetThe back pages
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