Obama's speech on education

Prime Time for Telecom Takeovers: Silver Lake sees buyout firms targeting phone equipment after stock prices swoon View It.

Facebook Insiders Limit IPO by Pushing $100 Billion Value: Private-stock purchases pushed Facebook's valuation past $100 billion this month, possibly limiting immediate gains for IPO investors View It.

Hewlett-Packard Profit Forecast Falls Short of Estimates: HP forecast quarterly profit that fell short of analysts' estimates as consumers curtail PC purchases, shifting to rivals' mobile devices View It.

German Business Sentiment May Reach Seven-Month High in February: German business confidence probably rose to the highest in seven months in February as progress in taming Europe’s debt crisis tempered the risk of a recession. View It.

Wen Seen Setting China Growth Target Below 8% in 2012: Economy: China’s Premier Wen Jiabao is seen signaling next month that curbing pollution, inequality and the risk of financial instability eclipse the benefits of faster economic growth, a survey of analysts indicated. View It.

Deutsche Telekom Predicts Lower Profit After U.S. Writedown: Deutsche Telekom AG forecast earnings will fall further this year after posting a 1.34 billion euro ($1.8 billion) quarterly net loss because of writedowns on T-Mobile USA and its Greek business. View It.

Baidu Plans Singapore Center to Accelerate International Push: Baidu Inc., operator of China’s biggest Internet search-engine, plans to set up a research center in Singapore to accelerate development of Web services in Southeast Asia. View It.

Garmin CFO Rauckman on Earnings, Fitness Market: Feb. 22 (Bloomberg) -- Kevin Rauckman, chief financial officer and treasurer at Garmin Ltd., talks about the company's fourth-quarter earnings and outlook. Rauckman also discusses LightSquared Inc. He speaks with Cory Johnson on Bloomberg Television's "Bloomberg West." Bloomberg's Emily Chang also speaks. (Source: Bloomberg) View It.

Hewlett-Packard Profit Forecast Misses Estimates: Feb. 22 (Bloomberg) -- Hewlett-Packard Co. forecast fiscal second-quarter profit that missed analysts’ estimates as consumers curtail personal-computer buying, doing more computing on smartphones and tablets made by rivals. Sales in the PC group dropped 15 percent to $8.87 billion in the period that ended in January, as consumers held off on buying new machines in the first full quarter under Chief Executive Officer Meg Whitman. Emily Chang and Jon Erlichman report on Bloomberg Television's "Bloomberg West." (Source: Bloomberg) View It.

NY Giants: Super Bowl, Social Media Champs: Don Sperling, VP and executive producer of NY Giants Entertainment, discusses social media uses and branding for the Super Bowl champions with Bloomberg's Dominic Chu at Social Media Week in New York City View It.

Behind the Apple, Foxconn Curtain: Feb. 22 (Bloomberg) -- Apple subcontracts 100% of production of what it sells according to Mike Daisey, author and monologist. He speaks on Bloomberg Television's "InBusiness With Margaret Brennan." View It.

Why Facebook Must Stay Quiet: Like other companies that file to sell publicly listed stock, Facebook must limit its statements to comply with federal rules View It.

How to Get a Permit for Your Driverless Car: Nevada is the first state to come up with rules for licensing driverless cars. They go into effect March 1 View It.

At least 48 dead in Iraq attacks: At least 48 people are killed in Iraq and dozens injured in a wave of bombings and shootings targeting mainly police officers in Shia areas. View It.

World leaders to discuss Somalia: African and Western leaders gather for a major London conference on the future of Somalia, to discuss political change, terrorism and piracy. View It.

Gillard calls leadership ballot: Australian Prime Minister Julia Gillard calls a ballot for the leadership of the Labor Party on Monday to end a tussle with Kevin Rudd. View It.

Fresh Koran demos in Afghanistan: There are fresh anti-American protests across Afghanistan, in the wake of the burning of Korans at a US military base. View It.

Lin in 'Linsanity' trademark bid: New York Knicks basketball player Jeremy Lin files to trademark the term "linsanity", used to characterize his rapid rise to NBA stardom. View It.

Putin rallies voters at stadium: Thousands of supporters hear Vladimir Putin speak at a Moscow stadium as he bids for re-election as president of Russia on 4 March. View It.

RBS bank's loss doubles in 2011: State-controlled Royal Bank of Scotland reports a loss of £2bn in 2011, its fourth year of losses since the bank's bailout in 2008. View It.

Santorum in spotlight in Arizona: Rick Santorum comes under fire from rival US Republican candidates in a crucial TV debate days ahead of two key primaries. View It.

US and N Korea in nuclear talks: US and North Korean officials are meeting in Beijing for the first talks on Pyongyang's nuclear programme since the death of Kim Jong-il. View It.

Homs reporters' deaths condemned: The killings of two Western journalists in Homs among 60 reported deaths across Syria spark further outrage towards the Damascus government. View It.

Sub data to aid climate science: The UK is to de-classify submarine data in order to help shed light on climate change in the Arctic. View It.

VIDEO: Is Somalian capital on the mend?: Ethiopian and Somali troops have taken a strategic stronghold of Islamist militants in south-western Somalia. View It.

VIDEO: Colvin's mother: 'She was committed': Rosemarie Colvin, mother of the killed journalist Marie Colvin, has said her daughter was totally committed to what she did. View It.

VIDEO: Firefighters' key Fukushima mission: Tokyo firefighters had just 60 minutes to carry out a mission to help avert nuclear disaster at Fukushima a year ago. View It.

VIDEO: One-minute World News: Watch the latest news summary from BBC World News. International news updated 24 hours a day. View It.

VIDEO: CCTV footage shows crash impact: Some 49 people are killed and at least 600 injured in Argentina after a commuter train crashes as it arrives into one of the city's busiest stations in Buenos Aires. View It.

VIDEO: Iran novel mixes art and activism: Zahra's Paradise is a novel published on the Internet which combines art with political activism. View It.

VIDEO: Large diamond found in Australia: Mining group Rio Tinto has unearthed an extremely rare pink diamond in Australia. View It.

VIDEO: What changes after Oscar glory?: Talking Movies' Tom Brook has been finding out what recipients have benefited from winning Hollywood's most coveted award. View It.

Yen falls to seven-month low: The Japanese yen falls to its lowest level against the US dollar in seven months, positive news for Japanese exporters. View It.

Credit Agricole has 3bn-euro loss: Credit Agricole reports a large loss for the three months to the end of December due to its exposure to Greek debt. View It.

Slow broadband 'hits many homes': Many UK addresses have broadband speeds of less than 5Mbps, research suggests. View It.

EU court to rule on Acta legality: A controversial anti-piracy agreement is to be referred to the EU's highest court due to concerns surrounding internet freedoms. View It.

Comic Frank Carson dies aged 85: Friends and former colleagues pay tribute to "one-off" comedian Frank Carson, whose catchphrases included "It's a cracker", after his death aged 85. View It.

Brit ratings 'biggest since 2005': The average audience to have watched the Brits ceremony on ITV1 and catch-up channel ITV1+1 comes in at 6.2 million - the event's highest audience since 2005. View It.

Cruise finds Fukushima pollution: An international research cruise off Japan detects radioactivity in sampled seawater and marine organisms, but well within safe levels. View It.

Male extinction theory challenged: A new study comparing chromosomes in humans and rhesus monkeys suggests genetic decay of the male sex chromosome has all but ended. View It.

Time link to sudden cardiac death: How the time of day can increase the risk of dying from an irregular heartbeat has been identified by researchers. View It.

Skin cancer drug hopes from study: A new treatment for advanced skin cancer almost doubles survival times, according to an international study. View It.

Man City 4-0 FC Porto (6-1 agg): Sergio Aguero stars as Manchester City go through to the last 16 of the Europa League 6-1 on aggregate with an emphatic 4-0 second leg win over the defending champions. View It.

McIlroy aims for world number one: Northern Ireland's Rory McIlroy will become the new world number one if he wins the World Match Play Championship. View It.

Rare US comic books fetch $3.5m: A collection of early comic books - including those featuring the debuts of Batman and Superman - is sold for $3.5m (£2.2m) at auction in New York. View It.

Munch's The Scream to go on sale: Edvard Munch's famous masterpiece The Scream is to be sold at auction in New York, Sotheby's announces. View It.

South Sudan expels oil firm boss: South Sudan expels the head of a Chinese and Malaysian-owned oil firm following its investigation into Khartoum's "theft" of oil worth $815m (£518m). View It.

India says gay sex is 'immoral': India's government tells the Supreme Court that homosexuality is immoral, "against nature and spreads HIV". View It.

Strauss-Kahn released by police: Former IMF head Dominique Strauss-Kahn is released after two days of questioning over an alleged prostitution ring but will be quizzed again next month. View It.

Buenos Aires train crash kills 49: A commuter train crash at a station in the Argentine capital Buenos Aires kills at least 49 people and leaves more than 600 injured, officials say. View It.

US dismay at IAEA Iranian visit: The White House expresses disappointment on the barring of UN nuclear inspectors from a site in Iran, calling the visit a "failure" for Tehran. View It.

NYPD 'spied on' Newark Muslims: The New York Police Department carried out covert surveillance of Muslims in nearby Newark, New Jersey, police records reveal. View It.

MEP Sinclaire held in fraud probe: West Midlands MEP Nikki Sinclaire is arrested on suspicion of conspiracy to defraud the European Parliament. View It.

Probe into gender abortion claims: The Department of Health launches an inquiry into claims that doctors agreed to carry out abortions on the grounds of the sex of unborn babies. View It.

Degree courses 'cut by a quarter': The number of full-time undergraduate degree courses offered at UK universities has fallen by 27% over the past six years, data shows. View It.

MP 'held over Parliament assault': A man, understood to be Falkirk's Labour MP Eric Joyce, is arrested on suspicion of assault following a disturbance at the Houses of Parliament. View It.

In pictures: Theatre stars backstage: Photographer Simon Annand's latest work View It.

In pictures: Argentina train crash: A commuter train crash in Buenos Aires View It.

Day in pictures: 22 February 2012: 24 hours of news photos: 22 February View It.

In pictures: Afghanistan protests: Protests by people angry at the burning of Koran View It.

In pictures: Danube ice chaos: Rapid thaw on the River Danube in Serbia View It.

Day in pictures: 21 February 2012: 24 hours of news photos: 21 February View It.

In pictures: Rio carnival: Brazil's colourful carnival parades in Rio View It.

In pictures: Mumbai - Chronicles of a past life: Mumbai in the 1970s and 80s View It.

Political donations: Lessons from the past: What can political money men learn from history? View It.

Nike launches the era of Paralympic chic: A new branded accessory for the amputee athlete View It.

Race to the bottom of the ocean: Four teams vie for the depths of the Mariana Trench View It.

Jim Muir's tribute to Marie Colvin: The BBC's Jim Muir pays tribute to Marie Colvin, killed in Syria View It.

Who can save Bosnia's heritage?: Will Bosnia’s precious national heritage weather a funding freeze? View It.

Globe celebrates first two PhDs: How audiences at Shakespeare's Globe risk putting off players View It.

Is Burma ready for foreign investment?: Is Burma's business community ready for foreign investment? View It.

In pictures: Somali samosa seller: A mother sells samosas to support 10 children View It.