Science and technology

November 24, 2016

How to take pictures of exoplanets

IN THE quarter of a century since the first extrasolar planets were discovered, astronomers have turned up more than 3,500 others. They are a diverse bunch. […]
November 24, 2016

Has a British engineer broken the laws of physics?

Any reaction? ROCKETS are spectacular examples of Isaac Newton’s third law of motion: that to every action there is an equal and opposite reaction. Throwing hot […]
November 22, 2016

Fijian ants grow their own homes

HUMANS began planting crops about 10,000 years ago. Ants have been at it rather longer. Leafcutters, the best known myrmicine agriculturalists, belong to a line of […]
November 17, 2016

Where’s the catch?

ABOUT 90% of the world’s fish stocks are being fished either to their limit or beyond it. Monitoring fish numbers reliably, though, is no easy matter. […]