Postcard from Rio – following in Einstein's footsteps
Talking about parrots, planets and Portugal
Sun-skimming comets, the future of the Space Race, scientists on record and more
Excerpts from the Red Folder
Quiz of the year 2013
Test your knowledge of the year's events in physics with our annual quiz
The December 2013 issue of Physics World is out now
How climate change is affecting Arctic plant life and how lasers can be used to study delicate artworks
Pop-culture mathematics
What The Simpsons and sums have in common
Postcard from Rio – a paradise for physics?
Why Brazil can be a beautiful but also a not-so-beautiful place for physicists
Book of the Year shortlist for 2013
Find out if your favourite made the grade
Postcard from Brazil – satellites and space weather
São José dos Campos – home to South America's leading space-science centre
Postcard from São Carlos – a hub for Brazilian science
Seeking a measure of "order and progress"
Boson book scoops Royal Society prize
Sean Carroll's The Particle at the End of the Universe was the big winner in London last night
