A year ago, productive north-south talks seemed inconceivable – but with the US tripping over its own feet, things are changing.
The fossil fuel era won't last forever. And a new set of countries will find their reserves of lithium, copper and rare earth metals are in high demand.
Does the heart really have cockles or heartstrings? An anatomist clears up some misconceptions...and lends credence to others.
Understanding population density takes more than just arithmetic – that's where mapping can help reveal which countries and cities are really getting cramped.
Despite new findings, the deaths can't be blamed on enteric fever alone.
New research may help us to look for messages from alien civilisations.
Science shows that early starts can be bad for teenagers' health. Schools and universities would be better off starting at 10am.
It looks as if climate change is forcing 24,000 people to leave the Mekong Delta every year.
As coal continues to collapse, large new wind farms are coming online. Electricity generated in Britain is the cleanest it's ever been.
Technologies for accessing information need to be somehow future-proofed.
A new campaign seeks to support all women affected by sexism, whether famous or not.
Vladimir Nabokov merged writing and cinema, bringing the art forms together like no one before or since.
Public support for nationalisation is through the roof. Actually the system is only barely private.
Tasty, nutritious, traditional – it's a seasonal superfood. Here's the evidence.