(Phys.org) —By studying a gene in yeast, a team of scientists has found that modifications to histones—proteins associated with DNA—can control whether or not a gene is allowed to function and may be important in maintaining ...
Biotechnology
Aug 6, 2013
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Scientists use tools called gradients to understand how molecules interact in biological systems. Researchers from North Carolina State University have developed a new technique for creating biomolecular gradients that is ...
Nanomaterials
Jul 26, 2013
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Many animals – from locusts to fish – live in groups and swarm, but scientists aren't sure why or how this behavior evolved. Now a multidisciplinary team of Michigan State University scientists has used a model system ...
Plants & Animals
Jun 5, 2013
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Many proteins undergo extensive modification after being synthesized, particularly those that are secreted or embedded in the cell membrane. This is achieved within the Golgi apparatus (see image), a cellular organelle consisting ...
Cell & Microbiology
Apr 24, 2013
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Gelatin sets by forming a solid matrix full of random, liquid-filled pores—much like a saturated sponge. It turns out that a similar process also happens in some metallic glasses, substances whose molecular behavior has ...
Condensed Matter
Apr 3, 2013
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(Phys.org) —Researchers in the University of Kentucky College of Agriculture have identified 14 molecular markers in bed bugs that allow them to be resistant to pyrethroid insecticides. Pest control professionals commonly ...
Plants & Animals
Mar 15, 2013
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The recently published genome sequences of seven well-studied ant species are opening up new vistas for biology and medicine. A detailed look at molecular mechanisms that underlie the complex behavioral differences in two ...
Plants & Animals
Feb 13, 2013
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Nature vs. nurture has long been one of the great debates in science—is behavior hard-wired into the brain, or determined by environment? In at least some cases, Harvard researchers are showing, how animals behave is in ...
Plants & Animals
Jan 16, 2013
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Hitoshi Goto and colleagues have developed high performance molecular simulation tools to study the 3D arrangement of molecules, enabling better design of medicinal and agricultural drugs which are more effective and fewer ...
Materials Science
Dec 5, 2012
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(Phys.org)—Complex systems often exhibit metastable dynamical behavior – that is, the systems appears to be in an equilibrium state but are actually confined to part of the phase space, while at much longer time scales ...
