Science and technology

November 10, 2016

Hunting submarines with magnets

SUBMARINES rely on stealth to do their jobs, whether that is sinking enemy ships or hiding nuclear-tipped missiles beneath the ocean. The traditional way of hunting […]
November 5, 2016

Chilling time for cars

AFTER seven years of frustrated effort, climate negotiators from the 197 countries that signed the 1987 Montreal Protocol—an international treaty designed to end the use of […]
November 2, 2016

Missile tracking

MANY anti-cancer drugs are packaged for delivery into tiny fatty envelopes called liposomes. Because tumour cells are bound more loosely than healthy cells, liposomes squeeze between […]
November 2, 2016

Depths of imagination

WIND farms and solar-energy plants have the advantage that their fuel is free, but the disadvantage that the availability of that fuel may change from minute […]