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A hitchhiker's guide to pumice

A floating raft of pumice created by an underwater volcanic eruption near New Zealand, and teeming with marine hitchhikers, has been spotted in the northern Great Barrier Reef.

dateSep 02, 2013 in Earth Sciences
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NASA sees another Earth-directed CME

On August 21, 2013 at 1:24 am EDT, the sun erupted with an Earth-directed coronal mass ejection, or CME, a solar phenomenon that can send billions of tons of particles into space and reach Earth one to three ...

dateAug 21, 2013 in Space Exploration
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Rare atmospheric phenomenon observed

Cameras operated by the Armagh Observatory have recorded one of the very few observations from the UK and Ireland of a very rare atmospheric phenomenon known as a 'sprite'. The detection, which was made around ...

dateJul 31, 2013 in Space Exploration
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Sun emits a solstice CME

On June 20, 2013, at 11:24 p.m., the sun erupted with an Earth-directed coronal mass ejection or CME, a solar phenomenon that can send billions of tons of particles into space that can reach Earth one to ...

dateJun 21, 2013 in Space Exploration
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Air pollution becomes Asia's migraine

Air pollution has become a curse for millions of city-dwellers in Asia, posing a mounting risk to the very young and very old, pregnant women and people with heart and respiratory problems, say experts.

dateJun 20, 2013 in Environment
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Nanoparticles helping to recover more oil

When petroleum companies abandon an oil well, more than half the reservoir's oil is usually left behind as too difficult to recover. Now, however, much of the residual oil can be recovered with the help of ...

dateJun 17, 2013 in Engineering
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The secret life of knots

Nanotechnologies require a detailed knowledge of the molecular state. For instance, it is useful to know when and how a generic polymer, a long chain of polymers (chain of beads), knots. The study of molecular ...

dateJun 10, 2013 in Polymers
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