DINOSAURS
Hop skip or jump? Did four-legged hadrosaurs gallop like a horse, run like an ostrich or hop like a kangaroo? All three have been suggested, but it鈥檚 a difficult puzzle to solve with only fossils to go on. Now 3D modelling of a duck-billed dinosaur has provided an answer
UFOs
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Was strange 鈥楴orway spiral鈥� an out-of-control missile? A huge glowing vortex that appeared in the skies above Norway last week was most probably a failed Russian missile launch, says an astrophysicist from Harvard University
NEUROSCIENCE
Brain scan reveals who will keep their word Promises are made to be broken, so it can be tough to tell which ones will be kept. But new-found patterns in brain activity can reveal whether someone intends to keep their word
CLIMATE CHANGE
The latest news from Copenhagen climate summit On-the-ground analysis of the progress of the pivotal climate conference, from Fred Pearce and Catherine Brahic
TECH
What can you do with 2200 Playstation 3s? The US air force is looking to buy a huge collection of games consoles to build a new kind of superfast and super-efficient computer
TECH
Computer screen upgraded to sense 3D gestures See what becomes possible when a standard LCD screen is given the ability to sense objects in front of it in 3D. Users can wave their hands to manipulate on-screen items, and the panel can also scan objects in 3D