Supercooling, a state where liquids do not solidify even below their normal freezing point, still puzzles scientists today. A good example of this phenomenon is found everyday in meteorology: clouds in high altitude are an ...
Soft Matter
Apr 21, 2010
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Danish researcher has solved one of the great mysteries of our geological past: Why the Earth's surface was not one big lump of ice four billion years ago when sun radiation was much weaker than today. Scientists have presumed ...
Earth Sciences
Mar 31, 2010
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(PhysOrg.com) -- Scientists have known for generations that hot water can sometimes freeze faster than cold, an effect known as the Mpemba effect, but until now have not understood why. Several theories have been proposed, ...
(PhysOrg.com) -- Just as water can be superheated and remain liquid above the boiling point if there is no nucleating surface (such as a surface defect or a speck of dust), it can also become supercooled and remain liquid ...
Using a microscope the size of a football field, researchers from The University of Western Ontario are studying why some insects can survive freezing, while others cannot.
Plants & Animals
Dec 18, 2009
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In the film, 'The Day After Tomorrow' the world enters the icy grip of a new glacial period within the space of just a few weeks. Now new research shows that this scenario may not be so far from the truth after all.
Earth Sciences
Nov 30, 2009
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(PhysOrg.com) -- The freezing of suspensions of particles is not always a uniform phenomenon; in certain conditions it leads to a modification of the redistribution of particles and the growth of crystals.
Nanomaterials
Nov 16, 2009
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(PhysOrg.com) -- Preventing the havoc wrought when freezing rain collects on roads, power lines, and aircrafts could be only a few nanometers away. A University of Pittsburgh-led team demonstrates in the Nov. 3 edition of ...
Materials Science
Oct 29, 2009
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Thirty tigers have died in the country's various sanctuaries and reserves this year. With many of the deaths being suspect, the state has decided to take some action.
Plants & Animals
Jun 8, 2009
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(PhysOrg.com) -- Scientists have long wondered how tiny silicate crystals, which need sizzling high temperatures to form, have found their way into frozen comets, born in the deep freeze of the solar system's outer edges. ...
Astronomy
May 13, 2009
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