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23 January 2021 | New Scientist | 1

On the

cover

17 The humming universe

Do gravitational waves

permeate all of space-time?

34 Beyond lithium

Batteries you can make

from common salt

44 Genetic exclusion

The diversity issue

undermining medicine

News

Views

Features

16 Superhuman sight

Lens makes UV light visible,

extending people’s vision

18 Quantum internet

Entangled particles have been

beamed between drones

18 Massive dinosaur

Fossils found in Argentina

may belong to the largest

land animal ever

23 Comment

We must publish ethnicity data

for covid-19 vaccinations,

says Layal Liverpool

24 The columnist

Annalee Newitz on Silicon

Valley’s political power

26 Letters

Will a vaccine be the cure

we need for long covid?

28 Aperture

A Cuvier’s gazelle and its calf

30 Culture

Diving Deep looks back at

film-maker Mike deGruy

51 Science of cooking

How to get the best out

of beans

52 Puzzles

Try our crossword, quick

quiz and logic puzzle

54 Almost the last word

What is the smallest animal

with eyes? Readers respond

55 Tom Gauld for New Scientist

A cartoonist’s take on the world

56 Feedback

Shorts that tickle and utile

resistance: the week in weird

34 Beyond lithium

Can we make cheap, plentiful

batteries from sodium chloride?

40 Extreme exhaustion

Why parental burnout is on

the rise and what to do about it

44 Genetic exclusion

Genomic data is heavily

skewed to white Europeans,

excluding many from

a medical revolution

The back pages

15 Secret of life Water may be even more crucial to life than we thought

Vol 249 No 3318

Cover image: Vanessa Branchi

The evolving virus

8 Everything you need to

know about the new variants

10 What it means for the

roll-out of vaccines

12 How long before this

is just another cold?

40 Parental burnout

Why it’s time to take

it seriously

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News

16 Saving the northern white rhino

20 Unswattable flies 54 Bin bag

smell 20 How to spot a liar

20 Oldest animal painting

This week’s issue

44 Features

“ There’s this

new modality

of treating

Indigenous

people’s

genomes like

coal or cobalt”