Indonesia is building a new, green city in the jungle. Its future is far from certain, but new residents like living there.

The fabrication and characterization of silica-glass optical fibres 1,2 have been developed into a precise art by the telecommunications industry 3,4,5,6. An unintended side effect of this success has ...

Ukrainian President Volodymyr Zelenskiy said on Tuesday Kyiv was discussing with Washington a possible presence of U.S. troops in Ukraine as part of security guarantees, and also raised what he called ...