News tagged with urban environment

Pterosaur-inspired aircraft makes sharper turns

(PhysOrg.com) -- By morphing and repositioning a small aircraft's vertical tail to resemble the cranial crest of a pterosaur, researchers have shown that the aircraft's turn radius can be reduced by 14%. The ...

Jun 14, 2011 feature
4.8 / 5 (15) 17 | with audio podcast

Cat survey reveals impact on birds

Some pet cats are killing a lot of birds around the UK, a new study shows. Most don't do much harm, but millions of marauding felines add up to what could be a serious problem for the nation's wildlife.

Jan 11, 2013
3.7 / 5 (3) 5 | with audio podcast

Clamorous city blackbirds

(Phys.org)—Animals have developed a variety of strategies for dealing with increasing noise pollution in their habitats. It is known, for example, that many urban birds sing at a high pitch to differentiate ...

Jan 11, 2013
4.3 / 5 (3) 0 | with audio podcast

Flying MAV Navigates Without GPS (w/ Video)

(PhysOrg.com) -- During the last several years, researchers have been building micro air vehicles (MAVs) that can autonomously fly through different environments by relying on GPS for navigation. Recently, ...

Nov 02, 2009 weblog
4.6 / 5 (13) 2