New Scientist - USA (2020-04-25)

25 April 2020 | New Scientist | 3

On the

cover

14 What killed antimatter?

36 In defence of dingoes

32 Fixing science’s fatal flaw

28 Life in alien oceans

14 Secrets of ancient poo

16 3D-printed steel

12 Clothes that feel like clouds

News

Views

Features

14 Antimatter’s nemesis

Did oscillating neutrinos

kill it off?

15 Negative world view

The effects of five nights

of restricted sleep

16 Metal metabolism

Growing evidence suggests

the first life fuelled itself

thanks to metals

21 Comment

Ken Ono and Robert Schneider

on the legacy of Ramanujan

22 The columnist

Chanda Prescod-Weinstein

on time in the universe

24 Letters

Unusual methods to boost

the immune system

26 Aperture

Weird magnetic threads

seen in the sun’s corona

28 Culture

Oceans in our solar system

could host alien life

51 Science of cooking

How to make dulce de leche

52 Puzzles

A quick crossword, a Diffy squares

puzzle and the quiz

53 Feedback

Reverse universe and isolation

measures: the week in weird

54 Almost the last word

Why do some people sneeze

repeatedly? Readers respond

56 The Q&A

Madeleine Goumas on

the strange appeal of gulls

32 Fixing science’s fatal flaw

The new mathematics that can

tell cause and effect apart

36 In defence of dingoes

Conserving Australia’s iconic

predator could be key to the

country’s wildfire recovery

40 Mental health in the

time of coronavirus

How we can protect ourselves

at this unprecedented time

The back pages

12 Triggering eruptions Heavy rainfall linked to volcanic activity

Vol 246 No 3279

Cover image: Eiko Ojala

40 How to protect your

mental health in the time

of coronavirus

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News

More on the pandemic

8 Why are men more likely

to die?  9  The problem with

contact-tracing apps 10 Truth

about breathing exercises

10  End-of-life decision-making

This week’s issue

Online event:

What we still don’t

know about black holes

Join astronomer Chris Impey

for a fascinating talk about

black holes on 30 April,

with the opportunity to

ask your questions too

Find out more:

newscientist.com/events