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The conventional view of human evolution and how early man colonised the world has been thrown into doubt by a series of stunning palaeontological discoveries suggesting that Africa was not the sole cradle of humankind. Scientists have found a handful of ancient human skulls at an archaeological site two hours from the Georgian capital, Tbilisi, that suggest a Eurasian chapter in the long evolutionary story of man.

More than 6,000 different species living on the sea-floor have been identified so far and more than half of these are unique to the icy continent. A combination of long-term monitoring studies, newly gathered information on the marine life distribution and global ocean warming models, enable the scientists to identify Antarctica's marine "biodiversity hotspots". Researcher Griffiths describes how krill populations (the shrimp-like invertebrates eaten by penguins, whales and seals) are reducing as a result of a decrease in sea-ice cover. A much smaller crustacean (copepods) is dominating the area once occupied by them. This shifts the balance of the food web to favour predators, like jellyfish, that are not eaten by penguins and other Southern Ocean higher predators. Sea-ice reduction is also affecting penguins that breed on the ice.

"Tiny semiconductor particles known as "quantum dots" have been used in a sensor that could make for mobile phone cameras that outperform larger cousins."

Sisters spread happiness while brothers breed distress, experts believe.

Dolphins have been declared the world's second most intelligent creatures after humans, with scientists suggesting they are so bright that they should be treated as "non-human persons".

Babies born to mothers who were stressed during pregnancy grow up less able to cope with stress themselves, researchers believe.

Making a public commitment to your goals reduces motivation.

Scientific search on a new level. Find papers and research papers easily and quickly.

"Cetis is the Centre for Educational Technology, Interoperability and Standards. Our staff are globally recognised as leading experts on education technology innovation, interoperability and technology standards. For over a decade Cetis has provided strategic, technical and pedagogical advice on educational technology and standards to funding bodies, standards agencies, government, institutions and commercial partners."

"When neuroscientist Andrew Newberg scanned the brain of "Kevin", a staunch atheist, while he was meditating, he made a fascinating discovery. "Compared with the Buddhist monks and Franciscan nuns, whose brains I'd also scanned, Kevin's brain operated in a significantly different way," he says"

"Use this website to view digitised copies of manuscripts and archives in the British Library's collections, with descriptions of their contents."

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Researchers say they have created the first ever animal with artificial information in its genetic code.