China conducts test flight of a giant coil array. Can it detect nuclear submarines?
At an undisclosed test site, a helicopter takes off, towing a kite-like array of massive coils.
The system, called Airborne Transient Electromagnetic (Atem) detection, works by…

Trading Avocadoes for Political Influence
How banking giant ICBC helped Chinese firms gain a foothold in Europe’s wind market
A reclusive billionaire, a ‘fearless’ dealer and a globe-spanning feud over priceless art