Category Archives: Physics Today

Decoding an asteroid’s magnetic history

Posted on July 28, 2017 by

Meteorite samples show that metal asteroids exhibited dynamo activity while they solidified from the outside in. Continue reading →

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Continental rift exposes mantle melting at work

Posted on July 18, 2017 by

Changes in the degree of melting of mantle rock explain uplift and subsidence patterns in New Zealand’s Taupo Volcanic Zone. Continue reading →

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Black carbon in Antarctica

Posted on June 2, 2017 by

Spectral and chemical measurements highlight the local effects of pollutants on the albedo of Antarctic snow. Continue reading →

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California’s recent weather extremes

Posted on April 20, 2017 by

A planetary-scale pattern of atmospheric waves may be responsible for California’s droughts and floods. Continue reading →

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Sea turtles don’t just go with the flow

Posted on March 22, 2017 by

Satellite data reveal that the marine reptiles change their behavior to interact with currents. Continue reading →

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Separating pebbles from boulders on asteroid Itokawa

Posted on March 1, 2017 by

Collisions between fragments may lead to size segregation of rock piles during asteroid formation. Continue reading →

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Exploring the environmental impact of quantum dots

Posted on January 20, 2017 by

The speed with which microbes in a simplified ecosystem absorb the nanomaterials is raising concerns about the effect on organisms higher in the food chain. Continue reading →

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Using cellular networks to measure air quality

Posted on December 29, 2016 by

The propagation of microwaves offers an effective, low-cost means of detecting polluted air. Continue reading →

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A hard rain’s a-gonna fall

Posted on December 6, 2016 by

A high-resolution climate model predicts an almost across-the-board increase in extreme precipitation events throughout North America. Continue reading →

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Finding the magma source for Mount St Helens

Posted on November 1, 2016 by

Seismic imaging reveals a cold mantle beneath the volcano and suggests that magma migrates from the east. Continue reading →

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