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United States

Deadly new flu virus in US and Mexico may go pandemic

Life

Deadly new flu virus in US and Mexico may go pandemic

A previously unknown swine flu virus is spreading in people in the US and Mexico, where it has killed at least 18

News

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Obama's stem cell plans could backfire

News

Where next for NASA?

Space

Where next for NASA?

News

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Health

Conservatives laud Gore's 'ethical' stem cell investment

News

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Earth

China and America's climate cold war starts to thaw

News

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Life

US to widen research on stem cells from 'spare' embryos

News

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Earth

White House and Congress dither over climate

News

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Technology

Aerial bombs as deadly as suicide bombers

News

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Health

Tax on sweet drinks may fight obesity

News

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Technology

US to slash funding for 'exotic' missile defences

The Obama administration is scaling back research into anti-missile technologies such as airborne lasers or "kill vehicles"

News

Earth

Congress delays Obama's green push

News

Technology

Historic US-Russian agreement on nuclear weapons

News

Top US science adviser on life after Bush

Opinion

Earth

US tells ships to clean up fumes or stay away

News

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