07/12/2015

Unexpected wood source for Chaco Canyon great houses

The wood in the monumental "great houses" built in Chaco Canyon by ancient Puebloans came from two different mountain ranges, according to new research from the University of Arizona Laboratory of Tree-Ring Research.

Gut bacteria important factor in cockroach gathering

North Carolina State University research shows that bacteria in the gut of German cockroaches play a major role in how the cockroaches gather together, or aggregate. The findings could lead to more efficient roach baits and ...

Take the A train? Apple, Google and other apps can tell you

HopStop, a pioneer in offering transit directions in major cities, disappeared in October—not because it failed, but because Apple bought it and shut it down after putting its engineers to work building Apple's own transit-navigation ...

Climate talks a chance to 'rise to history': UN

Ministers from around the planet launched a five-day scramble in Paris Monday to answer "the call of history" with a deal to spare mankind from climate disaster.

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