21 September 2019 | New Scientist | 1On the
cover7 Speaking chimp
Do we share an ancestral
sign language with our
ape cousins?12 Visitor from deep space
Second-ever interstellar
comet is heading our way6 Ringing black holes
Einstein proved right
(yet again)News
Views
Features
8 Our melting planet
A special report on the world’s
shrinking glaciers12 Interstellar visitor
A second object from
a different solar system
may be coming this way15 Circadian rhythms
Light therapy may relieve
perinatal depression21 Comment
Adults should join the climate
strikes, argues Alice Bell22 The columnist
Annalee Newitz on tech firms’
union confusion26 Letters
There are several approaches
to saving the Arctic Ocean28 Aperture
Rival mudskippers tussle for
territory in Japan30 Culture
Inside the anti-science world
of The Testaments51 Stargazing at home
Make a model of Earth’s orbit
around the sun52 Puzzles
Cryptic crossword and a quick quiz53 Feedback
Elongated eels and naming
names: the week in weird54 Almost the last word
Lightning effects and biscuit/cake
duality: readers respond56 The Q&A
xkcd creator Randall Munroe
on the inventive use of science34 Creating consciousness
We have identified the four
essential elements that make
a conscious mind38 Richard Dawkins’s mission
The evolutionary biologist
wants to break the cycle
of superstition42 An untold Amazon tragedy
As huge parts of the rainforest
burn, other areas are drowningThe back pages
Vol 243 No 3248
Cover image: Oska34 The true nature of
consciousness
We’re finally cracking the
greatest mystery of you38 ‘We are all irrational’
Richard Dawkins on God,
evolution and IslamophobiaMARY TURNER, THE TIMES16 First watery exoplanet found 16 Crabs that growl
8 Our vanishing glaciers 13 Infinite maths problem solvedThis week’s issue
3 weeks to go!
Discover why engineering
is everywhere at our
four-day festival of
science. Find out more
at newscientistlive.comInterview
38 Richard Dawkins
“ We really need to push
the beauty of science”