American Geophysical Union

In the Greek isles, a volcano has awakened

In 1650 B.C.E., a series of massive volcanic eruptions decimated the ancient seafaring Minoan civilization. Over the next 4 millennia, the largely subaquatic Santorini caldera had a series of smaller eruptions, with five ...

Apr 23, 2012
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Uranus auroras glimpsed from Earth

(Phys.org) -- For the first time, scientists have captured images of auroras above the giant ice planet Uranus, finding further evidence of just how peculiar a world that distant planet is. Detected by means ...

Apr 13, 2012
4 / 5 (6) 7 | with audio podcast

Reforestation efforts reshape Hawaii's soil hydrology

Starting with the arrival of Polynesian settlers in the fourth century, and peaking in the mid-1800s, the destructive forces of wildfires and pests and the grazing of feral pigs, goats, and cattle reduced the native forests ...

Mar 31, 2012
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Improving plume forecasts using Fukushima data

Forecasting how plumes of particles, such as radioactive particles from a nuclear disaster, will be transported and dispersed in the atmosphere is an important but computationally challenging task. During the Fukushima nuclear ...

Mar 31, 2012
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Declining sea ice to lead to cloudier Arctic: study

Arctic sea ice has been declining over the past several decades as global climate has warmed. In fact, sea ice has declined more quickly than many models predicted, indicating that climate models may not be correctly representing ...

Mar 31, 2012
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Venice hasn't stopped sinking after all: study

The water flowing through Venice's famous canals laps at buildings a little higher every year – and not only because of a rising sea level. Although previous studies had found that Venice has stabilized, new measurements ...

Mar 20, 2012
3 / 5 (2) 1 | with audio podcast