Snowy owls invade US 'south' as cold has effect

Reports from tens of thousands of bird-counting volunteers show a southern invasion of Arctic-dwelling snowy owls has spread to 25 U.S. states, and frigid cold is causing unusual movements of waterfowl.

US man sues Ethiopia for cyber snooping

A lawsuit filed on Tuesday accuses Ethiopia of infecting a US man's computer with "spyware" as part of a campaign to gather intelligence about those critical of the government.

Researchers propose a better way to make sense of 'Big Data'

Big Data is everywhere, and we are constantly told that it holds the answers to almost any problem we want to solve. Companies collect information on how we shop, doctors and insurance companies gather our medical test results, ...

Nitrogen-tracking tools for better crops and less pollution

As every gardner knows, nitrogen is crucial for a plant's growth. But nitrogen absorption is inefficient. This means that on the scale of food crops, adding significant levels of nitrogen to the soil through fertilizer presents ...

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