Lateral Thoughts: some things never change
More discoveries from the 25-year archive of Physics World’s humour column
Physics World at 25: Puzzle solutions
Full answers revealed to our fiendish puzzles that got you thinking last year
Lateral Thoughts: a foreign country
Trawling through the 25-year archive of Physics World’s longest running column for signs of change
Season's greetings
Merry Christmas to all physicsworld.com readers
Best of the blog 2013
The bizarre stories from the world of physics in 2013
Cress on the Moon, more physics books, a radioactive 'foot' and more
Excerpts from the Red Folder
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
