(Phys.org)—If you thought antifreeze was only something that was necessary to keep your car from freezing up in the winter, think again. Plants and animals living in cold climates have natural antifreeze proteins (AFPs) ...
Cell & Microbiology
Feb 18, 2013
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One double-helix strand of DNA could extend six feet, but it is so tightly coiled that it packs an entire sequence of nucleotides into the tiny nucleus of a cell. If that same DNA was instead split into two strands and divided ...
Biotechnology
Oct 17, 2023
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Scientific inquiry often begins with the "why."
Condensed Matter
Jun 19, 2019
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When environmental temperatures go below zero, ice crystals are formed on many leaves of evergreen plants. Nevertheless, they usually survive frost phases unharmed. Using a special cryo-scanning electron microscope, researchers ...
Bio & Medicine
Jan 26, 2023
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(PhysOrg.com) -- A team of atmospheric researchers designed a new computational module that helps scientists better understand how ice crystals form in the atmosphere. The team, including Dr. Xiaohong Liu and Dr. Steve Ghan ...
Earth Sciences
Nov 3, 2010
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Like the Marvel Comics superhero Iceman, some bacteria have harnessed frozen water as a weapon. Species such as Pseudomonas syringae have special proteins embedded in their outer membranes that help ice crystals form, and ...
Biochemistry
Oct 23, 2013
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Looking at Earth from the International Space Station, astronauts see big, white clouds spreading across the planet. They cannot distinguish a gray rain cloud from a puffy white cloud. While satellites can see through many ...
Earth Sciences
May 15, 2018
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A chance observation by a Queen's researcher might have ended a decades-old debate about the precise way antifreeze proteins (AFP) bind to the surface of ice crystals.
Biochemistry
Apr 11, 2011
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For the first time in the history of observations, scientists from the Helsinki and Ural Federal Universities, Jarmo Moilanen and Maria Gritsevich, have systematized information about all forms of atmospheric halos recorded ...
Earth Sciences
Jul 26, 2022
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Wrapped in pollution, dust diverts from its usual course and steers clear of water. The result, found researchers at Pacific Northwest National Laboratory, closes one more gap in understanding how—and when—cloud ice crystals ...
Earth Sciences
Oct 17, 2014
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