Top news for December 21, 2008

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Northern Lights Are Visible as Solar Storm Intensifies: What to Know

Northern Lights Forecast: How to See the Aurora Borealis This Weekend

Northern Lights Photos: Aurora Borealis Lights Up the Night Sky

Study traces an infectious language epidemic - EurekAlert

Is AI lying to me? Scientists warn of growing capacity for deception | Researchers find instances of systems double-crossing opponents, bluffing, pretending to be human and modifying behaviour in tests

In Defense of Parasitic Worms

NOAA Issues First Severe (G4) Geomagnetic Storm Watch Since 2005 – Giant Sunspot Cluster 16x Earth’s Diameter

Tracing the Pathfinders of Sahul: A New Look at the First Peoples’ Migration

Rapid-Fire Solar Flares Unleashed: NASA Witnesses 82 Intense Flares This Week [Video]

A New Evolutionary Tree of Flowers? For Spring? Groundbreaking.