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

Last updated on  February 4th, 2012

Prince optimistic for fisheries: Click here
Prince Charles says there are reasons to be optimistic about the state of the world's oceans, but it is "critically urgent" to tackle overfishing.

Largest optical telescope created: Click here
Astronomers at the Paranal observatory combine four telescope to create the world's largest virtual device with a 130m-mirror.

Striking galaxy image from Hubble: Click here
The Hubble space telescope captures an image of a "barred spiral" galaxy that could help us better understand our own Milky Way.

Oil spurs Canadian PM China visit: Click here
Canadian Prime Minister Stephen Harper will visit China next week to discuss Canada's oil products, after the US blocked a key pipeline.

Malaria toll 'is twice as high': Click here
The number of deaths worldwide from malaria has been underestimated, according to data published in the medical journal the Lancet.

Anti-fracking demo in Enniskillen: Click here
About 100 people gather in Enniskillen to demonstrate against the use of fracking to extract gas from shale rock in County Fermanagh.

VIDEO: Art by animals goes on show: Click here
A work of abstract expressionism by a chimp and a still life of a flower by an elephant are part of a new exhibition in London of artworks created by animals.

Brains may be wired for addiction: Click here
Abnormalities in the brain may make some people more likely to become drug addicts, according to scientists.

More Galileo satellites ordered: Click here
The German-UK consortium building the operational spacecraft for Europe's Galileo sat-nav system wins a contract to provide an additional eight units.

Humble moss 'brought on ice ages': Click here
Research shows that primitive moss-like plants could have helped cool the Earth 470 million years ago, bringing on mini ice ages.

Seagrass age surprises scientists: Click here
Meadows of seagrass, a keystone species in marine ecosystems, found in the Mediterranean Sea are likely to be tens of thousands of years old, a study shows.

Super-Earth 'could support life': Click here
Astronomers have found a fourth planet with conditions similar to Earth, which they say could support life.

In pictures: Science meets art: Click here
Winners of science photography contest dazzle

'Supergiant' found in deepest sea: Click here
A huge crustacean called a supergiant - more than 30cm long - has been discovered 7km down in the waters north of New Zealand.

Mega volcanoes 'may be predicted': Click here
The eruption of some of the largest volcanoes on the planet could be predicted decades before the event, research suggests.

MP's call to pardon 'hero' Turing: Click here
An MP tables a motion calling for computer pioneer Alan Turing to be posthumously pardoned over a conviction for gross indecency.

Spider sex trick boosts paternity: Click here
Some male spiders voluntarily "castrate" themselves during sex in order to increase their chances of fathering offspring, according to a new study.

Science decodes 'internal voices': Click here
Researchers turn brain waves from thoughts of words into actual words, in a breakthrough that could benefit comatose and locked-in patients.

Self-steering bullet researched: Click here
US researchers are developing a bullet that guides itself to a laser-illuminated target. But an expert is concerned it may be sold to the public.

Isolated Peruvian tribe pictured: Click here
A Spanish archaeologist has snapped the most-detailed pictures ever seen of an "uncontacted" tribe in the Amazon.

Rhino poachers in SA get 25 years: Click here
Three Mozambicans are sentenced to 25 years each in a South African court for rhino poaching, according to the South African national parks body.

'Big cat' theory ruled out by DNA: Click here
Scientists fail to find any evidence that "big cats" killed two roe deer found dead in Gloucestershire.

Spider web's strength explained: Click here
Explaining the remarkable strength of spiders' webs

Ancient giant crocodile discovery: Click here
'Shieldcroc' is an ancient, extinct crocodile that's been discovered by scientists studying fossils in Missouri in the US.

Canada firm halts Argentina mine: Click here
After protests by Argentine environmental campaigners, a Canadian mining firm is suspending its exploration work on a project in La Rioja province.

Search for Cuba offshore oil begins: Click here
Search begins for Cuba's offshore oil deposits

Gorillas grin 'to reassure pals': Click here
Gorillas bare their teeth in a playful "grin" to reassure one another as they play, scientists discover.

Pythons link to mammals decline: Click here
Non-native Burmese pythons are the likely cause of a severe decline in mammals living in Florida's Everglades region, a study suggests.

Search for black squirrels begins: Click here
Scientists want the UK public to report their sightings of black squirrels, in order to estimate the rate at which they are spreading.

VIDEO: 'Green' tour of London Olympics site: Click here
A look around the site of what is pledged to be the "greenest ever" Olympic Games.

VIDEO: Lifting the Cutty Sark into place: Click here
The historic tea clipper will be reopened to the public in spring 2012. Part of the conservation work included lifting her 3m off the ground.

VIDEO: Science converts thoughts into speech: Click here
Scientists have unveiled a new technique for decoding human brainwaves and then converting them into speech.

VIDEO: How do you weigh a polar bear?: Click here
Staff at Highland Wildlife Park are trying to weigh Walker the polar bear who is thought to be about 400kg (63 stone).

VIDEO: Thai poachers target elephants for meat: Click here
Thailand's wildlife experts say that elephants could face extinction if they continue to be hunted as a source of meat.

VIDEO: Bats find shelter in Israeli bunkers: Click here
Bats are finding a surprising haven in abandoned Israeli bunkers, researchers say.

AUDIO: Bus-sized asteroid to pass by Earth: Click here
Astronomers are watching for an asteroid the size of a double-decker bus which will pass within 70,000km of Earth on Friday.

Totally tropical at Kew: Click here
A tour of Kew's Royal Botanic Gardens' exotic orchids

Green void looms after Huhne departure: Click here
What Huhne’s departure means to 'the greenest government ever'

Olympics shoot for green medal: Click here
Will London 2012 fulfil its ‘greenest Olympics’ pledge?

Do the dead outnumber the living?: Click here
Do the dead outnumber the living - or is it the other way round?

Giving an invasive water pest the bullet: Click here
Wrestling one of the UK's most invasive pests

Strangford life: Click here
Wildlife, landscape and heritage of Strangford Lough

Meet the galanthophiles: Click here
The strange world of snowdrop fanciers

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