The theory that pigeons' famous skill at navigation is down to iron-rich nerve cells in their beaks has been disproved by a new study published in Nature.
Apr 11, 2012
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Researchers at the University of California, San Diego have developed a novel method of disguising nanoparticles as red blood cells, which will enable them to evade the body's immune system and deliver cancer-fighting drugs ...
Jun 20, 2011
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(Phys.org) —Columbia Engineering researchers have developed a technique to isolate a single water molecule inside a buckyball, or C60, and to drive motion of the so-called "big" nonpolar ball through th ...
May 06, 2013
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A genome-wide analysis searching for evidence of long-lived balancing selection—where the evolutionary process acts not to select the single best adaptation but to maintain genetic variation in a population—has uncovered ...
Feb 14, 2013
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Humans survive by constantly recycling iron, a metal that is an essential component of red blood cells, but which is toxic outside of those cells. More than 90 percent of the iron in an adult human's 25 trillion life-sustaining ...
Feb 05, 2013
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Many medically minded researchers are in hot pursuit of designs that will allow drug-carrying nanoparticles to navigate tissues and the interiors of cells, but University of Michigan engineers have discovered ...
Feb 05, 2013
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(Phys.org)—The plasma membranes that give cells their shapes are typically upheld by linear meshworks of the protein actin. In contrast, Howard Hughes Medical Institute scientists have now discovered that ...
Jan 28, 2013
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(Phys.org)—Researchers in the group of Centennial Professor of Chemistry, Samuel Danishefsky, have synthesized what is arguably the largest and most complex biological molecule ever assembled by the methods ...
Nov 12, 2012
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Researchers at Drexel University have identified the physical forces in red blood cells and blood vessels underlying the painful symptoms of sickle cell disease. Their experiment, the first to answer a scientific ...
Oct 16, 2012
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(Phys.org)—"Blood is quite a peculiar kind of juice"—that is what Mephisto knew, according to Goethe's "Faust". But if blood really is very special, then erythropoietin (EPO) must be a very special molecule, ...
Oct 15, 2012
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An African mosquito species with a deadly capacity to transmit malaria has a perplexing evolutionary history, according to discovery by researchers at the Fralin Life Science Institute at Virginia Tech.
Oct 05, 2012
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Scientists at Case Western Reserve University and the Cleveland Clinic Lerner Research Institute have discovered that the parasite that causes the most common form of malaria share the same genetic variations ...
Sep 06, 2012
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An immune-system receptor plays an unexpected but crucially important role in keeping stem cells from differentiating and in helping blood cancer cells grow, researchers at UT Southwestern Medical Center report today in the ...
May 31, 2012
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Synthetic platelets have been developed by UC Santa Barbara researchers, in collaboration with researchers at Scripps Research Institute and Sanford-Burnham Institute in La Jolla, Calif. Their findings are ...
May 30, 2012
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(AP) - Traces of blood and fragments of muscle, tendon, skin and hair found on 2,000-year-old stone knives have given researchers the first conclusive evidence that the obsidian blades were used for human sacrifice so long ...
May 03, 2012
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