Probe hints at cosmic dust
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Scientists may have identified the first specks of interstellar dust in material collected by the Nasa Stardust spacecraft.
Collider to shut for year to fix faults
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The Large Hadron Collider must be shut down for a year starting in late 2011 to address design flaws, the BBC has learned.
Ring may be giant 'impact crater'
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Deforestation has revealed what could be a giant impact crater in Central Africa, according to Italian scientists.
Galapagos tension
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Can all species live side by side in unique ecosystem?
LHC fault forces 2011 shutdown
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The Large Hadron Collider must be shut down for a year starting in late 2011 to address design flaws, the BBC has learned.
Ancient eggshell yields its DNA
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The eggshells of long-dead and extinct species are a particularly good source to find preserved DNA, researchers say.
Nanotech 'fuse' for novel battery
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A never-before-seen reaction in nanotubes could make for batteries that pack a mighty punch, say researchers.
Third of EU emissions 'imported'
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Research shows some EU countries "import" about a third of their carbon emissions from developing countries.
Promise on UK physics woes
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The government is promising to put in place measures to protect the future funding of physics and astronomy in the UK.
Blooming rare
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One of the loneliest flowers on earth in all its glory
Tongue-lashing: Chameleon's weapon unmatched in th
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Chameleon have a hidden advantage as hunters, a ballistic tongue that works well in the cold.
Lough eel numbers 'on the brink'
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There are growing concerns about the future of the Lough Neagh eel fishery and the hundreds of jobs it supports.
Alien vs predator
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The UK's foray into bio-control breaks important ground
Skynet satellite system extended
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Skynet 5, the UK's single biggest space project, is to get a fourth satellite to up the information capacity available to British forces.
China's exports see big increase
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China's exports surged 46% in February, figures show, raising hopes of a strong recovery in global trade.
Iranian president in Afghanistan
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The Iranian President Mahmoud Ahmadinejad has arrived in the Afghan capital Kabul for talks with President Hamid Karzai.
Five killed in Pakistan attack
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Unidentified gunmen attack the office of a Western aid agency, killing up to five people, police say.
Activist case to open in Israel
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A court case brought by the family of Rachel Corrie, a US protester killed by an Israeli army bulldozer in 2003, is to open.
Indonesia militant 'was killed'
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Indonesia's President Yudhoyono confirms security forces killed terror suspect Dulmatin in raids in Jakarta on Tuesday.
Formal Suu Kyi ban in Burma poll
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A new election law formally bars pro-democracy leader Aung San Suu Kyi from taking part in elections planned in Burma.
Collider to fix faults for a year
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The Large Hadron Collider must be shut down for a year starting in late 2011 to address design flaws, the BBC has learned.
US 'hid terror suspect treatment'
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A former UK spy chief says she did not know US intelligence services were mistreating terror suspects until after she retired.
Leaping off the page - Belgian paper prints '3D ed
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A Belgian daily has issued what is thought to be Europe's first 3D newspaper - complete with cardboard viewing glasses.
UK seeks Afghan political drive
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Foreign Secretary David Miliband is to urge the Afghan president to seek a political solution to the conflict with the Taliban.
Bendtner shines as Arsenal progress
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Nicklas Bendtner silences his recent critics with a hat-trick as Arsenal see off Porto in emphatic fashion to reach the Champions League quarter-finals.
Good egg - DNA of extinct birds found in ancient s
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The eggshells of long-dead and extinct species are a particularly good source to find preserved DNA, researchers say.
US woman on 'jihad terror' charge
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A US woman from Pennsylvania faces charges of using the internet to recruit female militant fighters for deadly attacks abroad.
Arrests in Cyprus body theft case
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Three men are arrested in connection with the theft of the corpse of Cyprus's ex-President Papadopoulos, officials say.
Obama backs Greece on speculators
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President Barack Obama has 'responded positively' to calls to clamp down on market speculators, says the Greek PM after talks.
Fiorentina 3-2 B Munich (4-4)
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Bayern Munich reach the quarter-finals of the Champions League on away goals after losing 3-2 to Fiorentina.
Arsenal 5-0 Porto (6-2)
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Nicklas Bendtner silences his recent critics with a hat-trick as Arsenal see off Porto in emphatic fashion to reach the Champions League quarter-finals.
Ban honours UN's Haiti 'heroes'
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UN chief Ban Ki-moon pays an emotional tribute during a memorial service to the 101 UN staff who died in the Haiti earthquake.
US attacks East Jerusalem plans
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US Vice-President Joe Biden condemns Israel's approval of 1,600 new homes for ultra-Orthodox Jews in East Jerusalem.
US apology for Gaddafi comments
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The US State Department apologises for comments its spokesman made after Libya's Col Gaddafi called for a holy war against Switzerland.
Producer admits Letterman blackmail
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A US TV producer pleads guilty to attempting to blackmail US chat show host David Letterman over his affairs.
NI passes key devolution move
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The Northern Ireland assembly votes in favour of a motion passing control of justice and policing from London to Belfast.
Thin red line
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Lone stand of anti-Taliban militia in Pakistan
Nigeria 'ignored attack warnings'
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A Nigerian Christian group accuses the army of ignoring warnings of attacks, as communal tension remains high near Jos.
Can US broker Middle East peace?
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Joe Biden is in the region to encourage talks between the Palestinians and Israel. What can be achieved?
Israeli 'spymaster' dies aged 82
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A former Israeli spy who played a key role in Africa, the Middle East and the 1980s Iran-Contra scandal has died.
Man Utd return 'excites' Beckham
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David Beckham insists he will not show any nerves when he faces Manchester United at Old Trafford for the first time with AC Milan on Wednesday night.
Nigeria under fire over killings
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A Christian organisation in Nigeria accuses security forces of failing to stop hundreds being killed in clashes near the city of Jos.
Israel backs East Jerusalem build
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Israel approves 1,600 new homes in east Jerusalem, threatening to overshadow the US vice-president's visit.
Dutch bishops order abuse inquiry
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Dutch bishops order an inquiry into alleged sexual abuses of children by Catholic priests, threatening a new scandal.
Can the US vice-president broker Middle-East peace
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Joe Biden is in the region to encourage talks between the Palestinians and Israel. What can be achieved?
Israel and Syria in nuclear bids
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Israel and Syria both tell a conference in Paris they want to use nuclear power to generate electricity.
EU concern over end of tanker bid
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Brussels says it hopes European aerospace group EADS was not prevented from fairly bidding for a major US defence deal.
Row over exhuming Rwanda leader
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The son of Rwanda's first President, Dominique Mbonyumutwa, protests at orders to exhume his father's remains.
Somali hope for Chandlers release
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Somali President Sharif Sheikh Ahmed says efforts are being made to release a UK couple held by pirates as soon as possible.
Irish 'plot to kill cartoonist'
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Seven people are arrested in the Irish Republic over an alleged plot to kill a Swedish cartoonist for depicting the Prophet Muhammad.
EU 'concern' over tanker contract
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Brussels says it hopes European aerospace group EADS was not prevented from fairly bidding for a major US defence deal.
Oscars 'most watched since 2005'
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This year's Oscars ceremony in Los Angeles was the most watched in the US for five years, early figures suggest.
Injured Brown faces lay-off
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Manchester United and England defender Wes Brown faces a lay-off of four to six weeks, although the nature of his injury has not been specified.
What next for US - South America trade?
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Brazil is planning trade sanctions in retaliation for US subsidies to cotton farmers. What will be the impact?
Johnson suggests Bolt 400m switch
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Sprint legend Michael Johnson believes Usain Bolt should consider moving up to 400m after an impressive relay display.
Prince fined over Kenya assault
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Princess Caroline of Monaco's husband is fined 200,000 for assaulting a hotel owner in Kenya in 2000.
'Ransom bid' in Cyprus body theft
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A ransom was demanded for the stolen and now-recovered body of Cyprus ex-President Papadopoulos, a minister says.
Indian MPs approve women's bill
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India's upper house sees a second day of uproar as it backs a bill to reserve a third of all parliamentary seats for women.
Bangladesh 'ignores' refugees
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Bangladesh's government is ignoring the plight of thousands of starving Burmese refugees, a US medical charity warns.
US warns of 'hard Afghan fight'
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US Defence Secretary Robert Gates warns of "hard fighting" ahead, in his first Afghan trip since a major offensive there.
Turkey quake sparks homes rethink
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Turkey's prime minister orders architectural changes in an eastern area where an earthquake left 51 people dead.
UK crackdown on 'dangerous' dogs
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All dog owners in England and Wales would need insurance against attacks, while some breeds could be banned in public.
Fourth Australian named by Dubai
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A fourth Australian passport-holder has been named in connection with the murder of a Hamas commander in Dubai.
Japan confirms secret nuclear pact
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Japan confirms the existence of a secret Cold War pact allowing nuclear-armed US vessels to call at its ports.
Thailand invokes emergency laws
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Thailand's Prime Minister Abhisit Vejjajiva says he will use emergency security laws to help cope with opposition rallies.
Nigeria kidnappers free SA man
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A South African TV worker is freed by kidnappers a week after he was snatched near Nigeria's oil-rich Delta region.
FA probes England security breach
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The Football Association is looking into a security breach after a recording emerged purporting to carry discussions between England coaches and players.
'Bottled ghosts' attract New Zealand auction buyer
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Two glass bottles said to contain the ghosts are bought for NZ$2,000 in an online auction in New Zealand.
US school soda deal 'cuts sugar'
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The US soft drinks industry says it has dramatically cut full-calorie beverages available in schools as part of a drive to tackle obesity.
'Ransom' for dead Cyprus leader
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A ransom was demanded for the stolen and now-recovered body of Cyprus ex-President Papadopoulos, a minister says.
Indian MPs vote on women's bill
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The upper house of India's parliament is voting on a bill to reserve a third of all parliamentary seats for women.
Man shot at consulate in Turkey
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A man is shot by security guards after opening fire at the Ukrainian consulate in Istanbul in Turkey.
Uganda 'to move half a million'
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People living in Uganda's mountainous areas are at risk from mudslides and must be relocated, the government says.
Separation fear
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Families fight 'racist' Israeli marriage and citizenship law
US seeks Nigeria massacre trial
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Hillary Clinton urges Nigeria to arrest and try those responsible for killing hundreds of people near the city of Jos.
US eyes chance for Mid-East peace
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US Vice-President Joe Biden says there is a "moment of real opportunity" for peace between Israel and the Palestinians.
Rwanda leader 'must be exhumed'
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Rwandan officials order the tomb of the country's first president to be moved to allow redevelopment.
Benitez hits out at Reds attitude
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Rafael Benitez accuses his Liverpool team of lacking attitude and character in the 1-0 defeat at Wigan.
Haddin ton sets up Australia win
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Brad Haddin hits 110 off 121 balls as Australia beat New Zealand by six wickets in Hamilton to lead their one-day series 2-1
Burma outlines new election laws
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Burma's military rulers will hand-pick the election commission, under newly-enacted poll laws, the government says.
Raids 'kill Indonesia militants'
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Indonesian security forces say they have killed three suspected militants in two operations near the capital Jakarta.
'Disruptive' Indian MPs suspended
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Seven Indian MPs are suspended for disorderly behaviour over a bill to reserve a third of seats in parliament for women.
Northrop and EADS exit tanker bid
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Northrop Grumman and EADS pull out of bidding for a $35bn US Air Force air-to-air refuelling tanker contract.
I reset online passwords regularly (as should everyone). And I approve of password restrictions (minimum lengths, no reuse, at least one digit and one uppercase, etc.). But, as you can see in this validation screen, American Express apparently does not want passwords to be *too* secure! FAIL!