ZEITGEIST
COLOUR OF LIFE
The word “green” describes
a vast range of hues, and as
ASHLEY HAY explains on page
96, its mysteries run deep
within language and nature.
ODE TO GREEN
After a season of fire, the colour has
never been more precious 96HEAD IN THE CLOUDS
The science of the atmosphere, from
cloud classification to wild weather 100CONNECTING THE GLASS UNIVERSE
Citizen science amongst the stars 104REVIEWS
Books, podcasts and writers’ picks 108PUZZLES
Science inspired brain bogglers 112PORTRAIT
Cayne Layton, marine biologist 114SCIENCE MEETS LIFE
MARIANNE PURDIE / GETTY IMAGES
COSMOS Issue 86 – 95