11 September 2019
Einstein’s framework for the universe, space-time, is at odds with quantum theory. Overcoming this clash and others is vital to unravelling the true nature of the cosmos
11 September 2019
A puzzle where the key is to work it out without a calculator, answer to puzzle #20, plus the quiz
11 September 2019
The science-themed quick crossword, set by Richard Smyth. Plus answers to cryptic crossword #14
11 September 2019
Every 90 minutes, land the size of one American football field disappears from the Mississippi delta and coastal ecosystem. A giant model could be key to creating new land
11 September 2019
Beating climate change is for many a “sacred value” that trumps all others – but is it ever legitimate to abandon democratic norms to achieve a goal, asks Graham Lawton
11 September 2019
After fake news and election manipulation scandals, Facebook promised to give researchers data on its political influence. They are still waiting, says Timothy Revell
11 September 2019
The behaviour that defines teenagers might be annoying, but neuroscientist Dean Burnett says it could have been crucial for the survival of our species
11 September 2019
Donald Trump’s hurricane plans, plus weighty submarines, whale-sized measures and well-encrusted teapots in Feedback’s weekly round-up from the world of weird
11 September 2019
Why do some people like science and others don’t? And what causes the sound of a rumbling stomach?
11 September 2019
It's sometimes called a "food coma", says one reader, along with explanations of how a big meal really can make you drowsy
