Daily Archives: June 15, 2009

Swine Flu Origins Revealed

A new analysis of the current swine-origin H1N1 influenza A virus suggests that transmission to humans occurred several months before recognition of the existing outbreak.The work, published online in Nature June 10, highlights the need for systematic surveillance of influenza … Continue reading

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Arctic Sea Ice Extent Trending Below Record 2007 Melt

The annual melting of Arctic sea ice is trending toward another record-low.While it’s still too early to say whether the 2009 melt will exceed the record 2007 melt — the annual low-point isn’t reached until September — the trend line … Continue reading

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