News
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EarthLandscaping stones may pose risks to the environment
Chemical analyses suggest that planting ornamental rock gardens in some cases may not be doing the environment any favors.
By Sid Perkins -
EarthBig quakes can free grounded icebergs
Data gathered by equipment installed on an immense iceberg off Antarctica suggest that the ground motions spawned by large, distant earthquakes can free such bergs to float again.
By Sid Perkins -
EarthSeismic vibes gauge Earth’s crust
New seismic observations are adding to scientists' knowledge of the thickness of Earth's crust, especially in the Southern Hemisphere.
By Sid Perkins -
AnimalsMixing Genes: Bird immigrants make unexpected differences
A pair of decades-long studies of birds moving into other birds' neighborhoods show that immigration can have a quirkier effect than predicted by the usual textbook view.