Smartphone app to give earthquake warning

A smartphone app designed to give early warning of earthquakes could be ready as early as next year, according to scientists at the World Science Forum in Rio de Janeiro.

Song sparrows escalate territorial threats (w/ Video)

Territorial song sparrows use increasingly threatening signals to ward off trespassing rivals. First an early warning that matches the intruder's song, then wing waving – a bird's version of "flipping the bird" – as the ...

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