What are the “hypersonic” missiles Russia has used in Ukraine?
Vladimir Putin calls the weapons invincible, but they may change little in the war

Editor’s note (March 10th 2023): This piece has been updated after a Russian strike with hypersonic missiles on March 9th.

How drones and video-game techniques are coming together in Ukraine’s war
The idea of the body count evolves

Why are India and Pakistan fighting over water?
After terror attacks India has suspended a water-sharing treaty

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