How many oceans are there?
One, four or five, depending on whom you ask

A NEW OCEAN has appeared on the maps of the National Geographic Society, an American research and conservation organisation. The Southern Ocean, which encircles Antarctica, will henceforth be given the same status, and typeface, as the Arctic, Atlantic, Indian and Pacific Oceans. But of course the Southern Ocean is not really new. Not only has the body of water been there for around 30m years, since Antarctica and South America moved apart, but what to call it has been mulled and contested by others before. So how many oceans are there? And how is that decided?

How will mines dropped by drones change warfare?
They make attacks on tanks more precise and troops easier to trap

What do Greenlanders think of being bought?
Donald Trump’s desire for Greenland, and a shabby visit by his son, reignite the independence debate

What would Donald Trump gain from seizing the Panama Canal?
The president-elect claims the crossing is controlled by China and rips off American consumers
Where does Santa come from?
How a miracle-working Greek bishop, Dutch folk figure and early New York icon became the ubiquitous symbol of Christmas
Who are the main rebel groups in Syria?
They were united against the country’s dictator. Now they have little in common
Is RFK junior right to say America allows more toxins than the EU?
He is, but things are slowly beginning to change