
Today on 91av: 18 September 2009
18 September 2009
Today's stories on newscientist.com, at a glance – including how to track your trash, the coldest place in the solar system, and the mystery of the bee's waggle dance

18 September 2009
Today's stories on newscientist.com, at a glance – including how to track your trash, the coldest place in the solar system, and the mystery of the bee's waggle dance

27 January 2009
The days of battlefields criss-crossed by laser beams may not be far away – a portable laser has proved able to track and destroy a small uncrewed aircraft

18 November 2008
Can we teach robots right from wrong? In this special feature, two experts give 91av their tips on how to make smart technologies safe

10 June 2008
Artificial fish that communicate with sonar can organise themselves into groups – they could track pollutants or wildlife over large areas

15 April 2007
The US Department of Homeland Security is thinking of using unpiloted aircraft to patrol the skies around airports, protecting airliners from missiles

2 April 2007
Successful flight demonstrations of a multi-aircraft remote-control system may pave the way for squadrons of uncrewed drones, controlled by a lone pilot

1 January 2007
These were the ones you clicked on the most – from "Earth without people", to stunning shots of Mars and the most impressive of sexual ornaments

2 October 2006
This week's patent applications include a near-invisible spy plane, a foot-controlled computer and cabling that repairs itself when damaged

27 September 2006
The queens of bees, ants and wasps that indulge in the most wanton sexual encounters produce colonies with a boosted resistance to disease

11 August 2006
The submersible drones remotely collect real-time data about water currents, pollution and ocean organisms