WEEKLY
29 January 2022
PLUS
SALIVA SHARING
/
HISTORY OF TIMEKEEPING
/
DEFINING EARTH’S NEW EPOCH
/
EVOLUTION OF LIES
THE
MIGRAINE
MIND
A new understanding
of the condition – and
how to treat it
KNOW YOUR EXPOSOME
Your lifetime risk from harmful chemicals
COSMIC CONFUSION
We officially don’t know how
fast the universe is expanding
INTO THE METAVERSE
Why virtual worlds are
as real as any other
COVID BRAIN FOG
What causes it and
can it be reversed?
No3371 £6.95 CAN$9.99
29 January 2022 | New Scientist |
1
This week’s issue
Features
38
Taming migraine
Migraine and its causes have
long been a mystery. Now we
are starting to get answers
44
The world against us
The environment is making
us sick. But exactly how is
hard to understand
48
David Chalmers interview
The philosopher on what virtual
reality tells us about real reality
52
Stargazing at home
What to look for in the northern
and southern hemispheres
53
Puzzles
Try our crossword, quick
quiz and logic puzzle
54
Almost
the last word
What is the best tech to preserve
childhood memories?
55
Tom Gauld for
New Scientist
A cartoonist’s take on the world
56
Feedback
Fighting covid-19 with vibrations
and bad news on booze
The back pages
Views
27
Comment
Jonathan R. Goodman on the
evolution of communication
28
The columnist
Graham Lawton on the plume
of trash choking Earth
30
Aperture
A multicoloured lithium
landscape in Chile
32
Letters
The upsides of being
disagreeable and introverted
34
Culture
Why we must stay alert
to the threat of eugenics
News
8
Covid in Western Australia
Can the state continue to keep
the coronavirus at bay?
9
Pig kidney transplant
Gene-edited organs survive
transfer to brain-dead person
16
AI artist
Algorithm generates
images from text through
creative destruction
14
Anthropocene
Was a new Earth epoch born along the Baltic Sea?
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News
10
Cosmic confusion
We officially don’t know how
fast the universe is expanding
19
Covid brain fog
What causes it and
can it be reversed?
48
Into the metaverse
Why virtual worlds are
as real as any other
On the
cover
Vol 253 No 3371
Cover image: Vicki Turner
(originally commissioned by
Prevention magazine)
38
The migraine mind
A new understanding
of the condition – and
how to treat it
44
Know your exposome
Your lifetime risk from
harmful chemicals
16
Saliva sharing
35
History of timekeeping
14
Defining Earth’s new epoch
27
Evolution of lies
“ For most
diseases,
exposure
to pollution
plays a far
greater part
in mortality
than
genetics”
44
Features
2
| New Scientist | 29 January 2022
Elsewhere
on New Scientist
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In Darwin’s footsteps
Spot blue-footed boobies in the Galapagos
Podcast
Newsletter
Discovery tour
Darwin’s Galapagos
The trip of a lifetime to the
islands made famous by the
father of evolution, Charles
Darwin. Led by conservationist
Jo Ruxton, the trip begins with a
visit to Quito in Ecuador, followed
by eight days exploring the
Galapagos aboard a chartered
yacht. Spot sea lions, marine
iguanas and blue-footed
boobies. The tour starts
on 27 March – get more details
and book your place online.
newscientist.com/tours
Academy
Consciousness:
The deepest mystery
For more than 2000 years,
great minds have struggled
to understand how the human
brain creates a subjective
experience. Now we are inching
towards an explanation, which
makes this the perfect time to
take our neuroscience course
on consciousness. Learn at your
own pace with our expert-led
course. Find out more online.
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