Related topics: bird flu · influenza

Examining how plants steer clear of salt

To avoid salt in soil, plants can change their root direction and grow away from saline areas. University of Copenhagen researchers helped find out what makes this possible. The discovery changes our understanding of how ...

Climate Questions: Who are the big emitters?

Who made the global warming mess the world is now in? More than half of the world's heat-trapping gases comes from three places: The United States, China and Europe.

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