Researchers solve 'hot spot' debate

Volcanic hot spots such as the ones that created the Hawaiian Islands have long been considered stationary points, created by processes deep within the earth's interior.

Indonesia cancels tsunami alert after strong quake

A strong magnitude 6.9 earthquake struck off Indonesia on Sunday, the US Geological Survey reported, triggering a brief tsunami warning that sent panicked residents fleeing to higher ground.

A seismologist present at the discovery of plate tectonics

As a young seismologist in the 1960s, Lynn Sykes made crucial observations of earthquakes under the ocean floors that helped solidify the theory of plate tectonics—the foundation of modern geology. Later, hoping to apply ...

Glacial sediments greased the gears of plate tectonics

Earth's outer layer is composed of giant plates that grind together, sliding past or dipping beneath one another, giving rise to earthquakes and volcanoes. These plates also separate at undersea mountain ridges, where molten ...

Dowsing for electric fields in liquid crystals

You may not know it, but you probably spend several hours a day looking at nematic liquid crystals; they are used in virtually every smartphone, computer and TV screen. They are liquids composed of elongated molecules, which ...

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