November 24, 2016

Why research papers have so many authors

ONE thing that determines how quickly a researcher climbs the academic ladder is his publication record. The quality of this clearly matters—but so does its quantity. […]
November 24, 2016

Retired jet engines could help clear smog

TO LAND at Indira Gandhi Airport is to descend from clear skies to brown ones. Delhi’s air is toxic. According to the World Health Organisation, India’s […]
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 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. […]