This Week

Tracking traveling toads

Talented travelers take trips to new continents

Do new species arise because so many niches are available in a new habitat? Or do they arise because newcomers have multiple talents for survival? A new study points to traits that enable success in the new location. Read more

Last Week

Shock and aftershock in Haiti

What's the danger after the earth quakes?

Aftershocks and triggered earthquakes both follow a large earthquake, and they don't happen at random. Can lessons about the sequence and timing of quakes improve safety? Read more

In The News

Global warming: Last decade sets another record!

Average temps up 0.8 degrees C since 1880. Read more

Economics of climate: Cap 'n trade vs carbon tax.

Carbon tax or carbon trading? Which gets more control at a lower price? Read more

Is this natural gas a problem -- or an opportunity?

We take a look at "Green garbage" in this article. Read more


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