16 January 2021 | New Scientist | 1On the
coverCoronavirus vaccine roll-out
8 Mixing-and-matching
vaccines
9 Which countries
are doing best?
8 Delaying the second dose
10 Can the UK hit its targets?
11 How friendship can boost
your immune responseNews
Views
Features
15 Frog traps
Spiders spotted weaving
leaves together to catch frogs18 Salty groundwater
The water that supports
the global food chain may
become too salty to use19 Arty artificial intelligence
AI illustrator draws fun pictures
to go with text captions23 Comment
Adam Vaughan on the
best-ever year for electric cars24 The columnist
Welcome to the green decade,
says Graham Lawton26 Letters
Perhaps evolution has
squared that circle28 Aperture
A close look at the Advanced
Virgo+ interferometer32 Culture
Second Spring looks at a
lesser-known side of dementia52 Stargazing at home
Hunting a hexagram of stars53 Puzzles
Try our crossword, quick
quiz and logic puzzle54 Almost the last word
How long is the gap between
the past and the future?56 Feedback
Reading backwards or
forwards: the week in weird56 Twisteddoodles
for New Scientist
Picturing the lighter side of life36 Rethinking intelligence
Our dominant idea of what
makes a person smart needs
a radical overhaul42 Taming CRISPR
The gene-editing technique
will transform medicine if it
can be controlled46 Superconductors get hot
Are these wonder materials
finally getting practical?The back pages
16 Musical roots Could swinging from trees explain why we love music?Vol 249 No 3317
Cover image: Timo Kuilder36 Have we got
intelligence all wrong?
Why an obsession with
IQ is holding us all back46 Rise of superconductors
An energy revolution
edges closer to realityANUP
SHAH/NATURE
PL
.COMNews
12 Tree-planting robots
42 Off-switch for CRISPR
21 How megalodon got so big
14 2020 heat recordThis week’s issue
36 Features
“ Intelligence
tests work
perversely
to increase
social and
economic
barriers”