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The latest stories from the Science & Environment section of the BBC News web site.

Last updated on  December 21st, 2014

Antarctic science archive unlocked: Click here
Aerial photographs from the 1940s and 1950s are being used to probe the climate history of the Antarctic Peninsula.

LA River's flood role is 'paramount': Click here
Any moves to modify the concrete Los Angeles River, to return parts of it to a more natural setting or to capture water, must not compromise its flood-protection function, say scientists.

Nasa emails spanner into space: Click here
Astronauts on the International Space Station use a 3-D printer to make a wrench from instructions sent up in an email.

Stem cell scandal scientist resigns: Click here
A Japanese stem cell scientist at the heart of a scandal over false claims and fabricated research has resigned.

Birds 'fled day before US tornadoes': Click here
Tracking data reveals that golden-winged warblers fled one day before the April 2014 US tornado outbreak, probably because they "heard it coming".

Carbon mission returns global maps: Click here
Nasa's Orbiting Carbon Observatory produces its first global maps of carbon dioxide in Earth's atmosphere.

New record for deepest fish: Click here
Fish are filmed more than 8,000m down in the Mariana Trench - the deepest place on Earth.

Shrink ship bubbles ‘for climate fix’: Click here
Shrinking the bubbles generated by ships could counteract the impact of climate change, a study suggests.

7ft marine reptile fossil beach find: Click here
An amateur fossil hunter has unearthed a 7ft skeleton of a carnivorous marine reptile on a beach in south Wales.

Badger cull fails to meet target: Click here
Fewer than half the target number of badgers were killed in this year's cull in Gloucestershire, Defra announces.

Bats 'showing signs of recovery': Click here
Populations of most of Britain's bat species are stable or increasing following previous years of decline, report says.

Philae comet landing 'all a blur': Click here
An image has been released that shows the hairy moment that the Philae comet lander bounced back into space.

Festival lights viewed from space: Click here
Satellites view how Christmas in the US and Ramadan in the Middle East brighten the globe.

'Vast store' of world's oldest water: Click here
The world's oldest water, which is locked deep within the Earth's crust, is present at a far greater volume than was thought, scientists report.

Sentinel tracks continued Napa slip: Click here
The creeping movement of the ground in California's Napa Valley, following its August earthquake, has been observed from space.

Ministers unveil science strategy: Click here
The UK government has formally unveiled its strategy for science and innovation.

Squirrels are 'climate culprit': Click here
Arctic ground squirrels could play a greater role in climate change than was previously thought, research suggests.

Yeti polar bear theory challenged: Click here
A theory that the Himalayas' mythical yeti is a rare polar bear-brown bear hybrid animal is being challenged.

Methane 'belches' detected on Mars: Click here
Nasa's Curiosity rover has detected "belches" of methane gas on Mars - a gas that could hint at past or even present life on the planet.

California's water woes quantified: Click here
Scientists assess the scale of the epic California drought and say it will require more than 40 cubic km of water to return the US state to normal.

Even in colour, Comet 67P is grey: Click here
The first colour image from the Rosetta spacecraft shows that Comet 67P is even more dark and monochrome than expected.

Cosmic bangs 'common on Earth': Click here
Scientists shed light on the energetic emission of radiation that occurs in thunderstorms.

Autism link to air pollution raised: Click here
A link between autism and air pollution during pregnancy has been suggested by scientists.

Life from 'deepest drill' revealed: Click here
Tiny microbes uncovered by the deepest-ever marine drilling expedition are analysed by scientists to see how they can survive under the seabed.

Peat is Amazon's carbon superstore: Click here
Satellite data reveals that the most dense stores of carbon in Amazonia is not above ground in trees but below ground in peatlands.

Deal reached at UN climate talks: Click here
UN member states reach agreement on how countries should tackle climate change, after differences cause talks to overrun by two days.

Threatened birds of prey 'vanish': Click here
Two of the rarest birds of prey in England, which had been satellite tagged, vanish in unexplained circumstances.

Hyenas feast at vulture restaurants: Click here
"Restaurants" of dead meat set up for endangered vultures also attract an undesirable clientele of hyenas and jackals, according to a six-year study.

Brazil releases 'good' mosquitoes: Click here
Brazilian researchers release thousands of mosquitoes infected with a bacteria that suppresses dengue fever into the environment in Rio de Janeiro.

VIDEO: Mexico welcomes migrating butterflies: Click here
Millions of monarch butterflies have arrived in Mexico's forests as part of their annual migration from Canada and the United States.

VIDEO: Can endangered white rhino be saved?: Click here
Zoo keepers from around the world are due to meet next month to discuss ways to save the endangered northern white rhino.

VIDEO: Greenpeace to aid Nazca Lines inquiry: Click here
Greenpeace will co-operate with an investigation by a Peruvian court to determine responsibility for damage caused by activists at the Nazca Lines, the group's chief executive says.

VIDEO: New record depth for deepest fish: Click here
Fish have been filmed more than 8km down in the Mariana Trench - the deepest place on Earth.

VIDEO: India launches largest rocket: Click here
India has successfully launched its largest rocket and an unmanned capsule which could send astronauts into space.

VIDEO: New lights give hope to stargazers: Click here
New streetlights could reduce the orange glare of older sodium lights meaning clearer conditions for drivers and stargazers.

VIDEO: 'Ice pancakes' form on River Dee: Click here
Ice pancake formations, more commonly seen in the Antarctic, have been photographed on the River Dee in Aberdeenshire.

VIDEO: Up close with world's largest vessel: Click here
An enormous vessel is being built to collect and liquefy gas at sea for the first time.

'Ringing' rock arches recorded: Click here
America's huge humming arches

In pictures: Bangladesh oil spill clean-up: Click here
How local residents cope with Bangladesh oil spill

The largest vessel the world has ever seen: Click here
Enormous ship will collect and liquefy gas at sea

Climate deal heralds historic shift: Click here
How a historic divide was finally bridged in Lima

VIDEO: Palm-sized drone follows you round: Click here
Meet your personal drone - it weighs four grams

Water woes in Lima: A glimpse of our future?: Click here
The Lima suburb where 10% of income goes on water

'It's the job on Earth that matters': Click here
Singing spaceman Chris Hadfield meets Manchester pupils

Quantum thinking: Cats to computers: Click here
An interactive journey through quantum theory

Is personality unique to humans?: Click here
Are personality differences widespread in the animal world?

Hoverfly kiss wins photo prize: Click here
Hoverfly takes ecology photo prize

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