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9 articles from Guardian Unlimited Science

Climate change may be behind fall of ancient empire, say researchers

Dramatic shift from wet to dry climate could have caused crop failure in Neo-Assyrian empireThe Neo-Assyrian empire was a mighty superpower that dominated the near east for 300 years before its dramatic collapse. Now researchers say they have a novel theory for what was behind its rise and fall: climate change.The empire emerged in about 912BC and grew to stretch from the Mediterranean down to...

Experts crack mystery of ancient Egypt’s sacred bird mummies

DNA analysis helps work out origin of nearly 6 million mummified ibisesAn ancient Egyptian mystery has been solved, according to researchers, who say they have cracked the conundrum of where millions of mummified birds came from.Pharaohs and members of the nobility were often mummified, but the practice was not reserved for humans – cats, crocodiles, mice and mongooses are among the mummified...

Hologram-like device animates objects using ultrasound waves

Unlike Star Wars projection, 3D technology whips polystyrene bead round at high speedIt may not rival the technology found in a galaxy far, far away, but everyone has to start somewhere. Researchers in Southampton have built a device that displays 3D animated objects that can talk and interact with onlookers.A demonstration of the display showed a butterfly flapping its wings, a countdown spelled...

Someone, Somewhere review – slow-burn Parisian therapy romance

The meet-cute is neatly postponed in this entertaining story of two next-door neighbours, both seeing therapists and looking for loveMuch like the process of psychotherapy itself, patience is required for results while watching this modestly entertaining slow-burn Parisian romance from Cédric Klapisch, who pulls off a neat trick by bumping the meet-cute to the end of the film. What happens before...

Superfast star found leaving Milky Way at 1,700km per second

Astronomers say S5-HVs1 ventured close to supermassive black hole before being ejectedAstronomers have spotted a star heading out of the Milky Way at more than 6m km/h (3.7m mph), or 1,700km per second, after an encounter with the supermassive black hole at the centre of the galaxy.The star is moving so fast that in about 100m years it will exit the Milky Way and spend the rest of its life sailing...

Two people diagnosed with pneumonic plague in China

Authorities working to contain outbreak of disease that is worse than bubonic plagueTwo people in China have been diagnosed with plague, the latest cases of a disease more commonly associated with historical catastrophe.Plague is caused by the bacterium Yersinia pestis and can arise in three forms – a lung infection, known as pneumonic plague; a blood infection, known as septicemic plague; and a...

Air pollution nanoparticles linked to brain cancer for first time

Exclusive: tiny particles produced by motor traffic can invade the brain and carry carcinogensNew research has linked air pollution nanoparticles to brain cancer for the first time.The ultra-fine particles (UFPs) are produced by fuel burning, particularly in diesel vehicles, and higher exposures significantly increase people’s chances of getting the deadly cancer. Previous work has shown that...

Eva Meijer: 'Of course animals speak. The thing is we don't listen'

The Dutch philosopher and artist believes we should change our relationship to animals. This involves recognising that they talk to us – and granting them proper rightsFagan the horse is enormous, nervy and then, suddenly, inexplicably calm when Eva Meijer strokes his neck and whispers in his twitching ears. Meijer, a Dutch philosopher, novelist, visual artist and singer-songwriter, is visiting...