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'Lost towns' discovered in Amazon
The remote Amazon basin was once home to complex urban communities, according to a study in Science journal.
'Cold feet' may halt toad march
Scientists predict that colder temperatures will prevent the plague of cane toads reaching Australian cities.
New parasite wasp species found
A new species of wasp which feed on and grow inside maggots is discovered after one hatched on a scientist's desk.
Britain's happiest places mapped
The most sparsely populated county in Wales is Britain's happiest place - but Edinburgh the least happy, say researchers.
First light for space telescope
A powerful Nasa space telescope has unveiled an image of the sky viewed through "gamma-ray glasses".
Czech firm plans giant wind farm
Czech power firm CEZ is to build what it says will be Europe's largest onshore wind farm, in a £1.1bn-euro project.
Rains revive prehistoric shrimp
What is thought to be one of the oldest living creatures on the planet thrives thanks to Scottish summer rain.
Canadian PM presses Arctic claim
Canada's PM says all large ships entering the Northwest Passage and other Arctic waters must register with its Coast Guard.
Feeling the heat of food security
Why reforming the economics of food production and supply would be beneficial for a number of environmental and social ills.
Numbers game
It is time to re-think what creatures need our help
Face of empire
Gallery of statues depicting Roman rulers is unearthed
Gene therapy 'may repair hearing'
Scientists claim gene therapy has the potential to restore hearing in mice, offering hope for humans as well.
Model targets foot-and-mouth risk
Scientists use a numerical model to predict the risk of infection through airborne transmission of foot-and-mouth virus.
Mars rover driving out of crater
Nasa's robotic rover Opportunity is driving out of a giant crater on Mars nearly a year after its dangerous descent.
'Complexity' of Neanderthal tools
Early stone tools developed by modern humans were no more advanced than ones used by the Neanderthals, research shows.
Spider forces family out of home
A soldier's family are frightened out of their home by a spider thought to have been brought from Afghanistan.
Hutton warns over energy policy
John Hutton appears to warn against a windfall tax, saying the "right framework" is needed to attract future energy investment.
Brazil delays Indian land ruling
Brazil's Supreme Court puts off ruling on the status of an indigenous reserve disputed by Indians and farmers.
'No alternative' to squirrel cull
A rapid response service will be set up to help trap and kill grey squirrels across southern Scotland.
UK makes Atlantic sea bed claim
Britain is to formally present its case to the UN to extend its territorial rights around Ascension Island.