New Scientist - USA (2020-07-25)

(Antfer) #1
25 July 2020 | New Scientist | 1

On the
cover

11 The evidence
for face masks
14 Alzheimer’s in the gut
9 How Australia lost
control of covid-
36 The return of
analogue computing
12 A new push for Mars

News


Views


Features


7 Vaccine hope
Oxford trial delivers promising
immune response

14 Alzheimer’s in the gut
Protein linked to the condition
may not start in the brain

15 Universal mystery
Astronomers can’t agree
on how fast the cosmos
is growing

21 The columnist
The sudden end of normal
activity is helping rewilding
efforts, says Graham Lawton

22 Letters
Nowhere responded to
covid-19 quickly enough

24 Culture
A dystopia without lessons
for the modern world

25 Culture
What happens when a
pandemic wipes out men?

28 Aperture
Ethereal shots of our universe

53 Puzzles
Cryptic crossword and the quiz

54 More puzzles
A stripy flag, a pair of scissors
and a problem to solve

54 Cartoons
Life through the lens of
Tom Gauld and Twisteddoodles

55 Feedback
Social distancing with
Australia’s deadly fauna

56 The last word
Why don’t trees get really
wide? Readers respond

30 99% of what we eat
is a mystery
There’s a giant hole in our
knowledge of what is in our food

36 Analogue comeback
Why digital technology is
getting a helping hand

42 Feeling the heat
Climate scientist Friedrike
Otto on what causes
extreme weather

The back pages


16 Obesity and the pandemic We still don’t know the best way to get slim

Vol 247 No 3292
Cover image: HAVET/Getty Images

30 99% of what we
eat is a mystery
The emerging science of
nutritional dark matter

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Insight


18 Campfires on the sun
24 Brave New World: The TV show
19 How sea turtles get lost

This week’s issue


42 Features


“ Wherever


you live,


there is


damage from


extreme


weather


caused by


climate


change”

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