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Heart cells found to regenerate

Even though heart attacks may not be deadly, they can leave your ticker damaged. The reason: they occur when blood flow to a section of heart muscle becomes blocked.

April 3, 2009 — Jordan Lite

Polio resurgent in Nigeria

The number of cases of polio last year climbed – and spread into countries where it was previously wiped out — despite an aggressive worldwide effort to eradicate the potentially paralyzing virus in the nations still battling it half a century after the introduction of the polio vaccine...

April 3, 2009 — Jordan Lite

NASA's embattled inspector general steps down

NASA inspector general Robert "Moose" Cobb submitted a letter of resignation yesterday, giving up his post effective April 11. President Barack Obama has accepted Cobb's resignation, according to the space agency, ending his nearly seven-year run as NASA's top watchdog...

April 3, 2009 — John Matson

Will Google buy Twitter?

Web search giant Google may be planning to buy microblogging site Twitter, according to TechCrunch . The tech news Web site, citing unnamed "people close to the negotiations," says that if Twitter bites, it would get cash and/or publicly valued stock from Google...

April 3, 2009 — Larry Greenemeier

Hubble's archive shows hidden exoplanet discovered 10 years later

Two teams of astronomers made headlines in November after announcing they had photographed planets orbiting regular stars other than our own sun. (Such bodies are known as extrasolar planets, or exoplanets.) One of those planets, Fomalhaut b, the companion to a star called Fomalhaut some 25 light-years away, was spotted by the Hubble Space Telescope; a star known as HR 8799, nearly 130 light-years distant, was found by ground-based observations to harbor a system of at least three planets...

April 3, 2009 — John Matson

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Dwindling Supply. Increasing Demand.

Dwindling Supply. Increasing Demand.

Solving the Water Crisis