News tagged with microscopic structures
Microscope looks into cells of living fish
Microscopes provide valuable insights in the structure and dynamics of cells, in particular when the latter remain in their natural environment. However, this is very difficult especially for higher organisms. ...
May 16, 2012 |
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Mathematical physics reveal nature's formula for survival (w/ Video)
(Phys.org) -- The vascular system of a leaf provides its structure and delivers its nutrients. When you light up that vascular structure with some fluorescent dye and view it using time-lapse photography, details begin to ...
May 14, 2012 |
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In metallic glasses, researchers find a few new atomic structures
Drawing on powerful computational tools and a state-of-the-art scanning transmission electron microscope, a team of University of Wisconsin-Madison and Iowa State University materials science and engineering researchers has ...
May 11, 2012 |
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Slicing mitotic spindle with lasers, nanosurgeons unravel old pole-to-pole theory
The mitotic spindle, an apparatus that segregates chromosomes during cell division, may be more complex than the standard textbook picture suggests, according to researchers at the Harvard School of Engineering ...
Apr 26, 2012 |
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Creating nanostructures from the bottom up
Microscopic particles are being coaxed by Duke University engineers to assemble themselves into larger crystalline structures by the use of varying concentrations of microscopic particles and magnetic fields.
Apr 24, 2012 |
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Duck-billed dinosaurs endured long, dark polar winters
Duck-billed dinosaurs that lived within Arctic latitudes approximately 70 million years ago likely endured long, dark polar winters instead of migrating to more southern latitudes, a recent study by researchers ...
Other Sciences / Archaeology & Fossils
Apr 11, 2012 |
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Mother of pearl tells a tale of ocean temperature, depth
Nacre -- or mother of pearl, scientists and artisans know, is one of nature's amazing utilitarian materials.
Feb 16, 2012 |
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New zeolite material may solve diesel shortage
World fuel consumption is shifting more and more to diesel at the expense of gasoline. A recently published article in Nature Chemistry by a research team at Stockholm University and the Polytechnic University of Valencia in Spa ...
Feb 01, 2012 |
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Hacking the SEM: Crystal phase detection for nanoscale samples
(PhysOrg.com) -- Custom modifications of equipment are an honored tradition of the research lab. In a recent paper, two materials scientists at the National Institute of Standards and Technology describe how ...
Jan 25, 2012 |
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A baby crystal is born
Lead sulfide (PbS) forms when an equal number of lead and sulfur atoms exchange electrons and bond together in cubic crystals. Now scientists have determined that a structure comprising 32 lead-sulfur pairs is the smallest ...
Jan 17, 2012 |
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Scientists use fossil feathers reveal lineage of extinct, flightless ibis
A remarkable first occurred recently at the Smithsonian's National Museum of Natural History when ornithologists Carla Dove and Storrs Olson used 700- to 1,100-year-old feathers from a long extinct species ...
Other Sciences / Archaeology & Fossils
Nov 22, 2011 |
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New medical, research tool possible by probing cell mechanics
(PhysOrg.com) -- Researchers are making progress in developing a system that measures the mechanical properties of living cells, a technology that could be used to diagnose human disease and better understand ...
Nanotechnology / Bio & Medicine
Nov 21, 2011 |
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Researchers ink nanostructures with tiny 'soldering iron'
Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have shed light on the role of temperature in controlling a fabrication technique for drawing chemical patterns as small as 20 nanometers. ...
Nov 07, 2011 |
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Manufacturing microscale medical devices for faster tissue engineering
In the emerging field of tissue engineering, scientists encourage cells to grow on carefully designed support scaffolds. The ultimate goal is to create living structures that might one day be used to replace ...
Nov 02, 2011 |
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Fossil moths reveal their true colors
Moths dead for 47 million years are again showing their true colors. For the first time, scientists have reconstructed the colors of an ancient fossil moth. The findings detailed not just a few spots of color, ...
Other Sciences / Archaeology & Fossils
Oct 12, 2011 |
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