(Phys.org) —Jonathan Tang had a problem. A graduate student studying neural circuitry in the retina, he wanted to do more than identify fluorescent cells that send signals to the brain. He sought to understand how these ...
Biotechnology
Aug 16, 2013
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(Phys.org) —Viruses are masters of minimalist design. With only a simple genome and a handful of proteins, a virus can hijack much more sophisticated cells and mimic many of the intra- and inter-cellular machinery built ...
Biochemistry
Jun 14, 2013
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(Phys.org) —In a factory, outside forces dictate the assembly of parts. Robots lift widgets from trays, assemble them and send them on their way. Even though embryos are not factories, theories about embryonic development ...
Cell & Microbiology
Apr 26, 2013
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Circadian rhythms keep time for all living things, from regulating when plants open their flowers to foiling people when they try to beat jet lag. Day-night cycles are controlled through ancient biological mechanisms, evolutionarily ...
Cell & Microbiology
Apr 11, 2013
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(Phys.org) —Viruses are biological pirates, invading cells and hijacking their machinery to reproduce and infect again. Research at Harvard Medical School is shedding new light on the battle line where viral and cell membranes ...
Cell & Microbiology
Mar 21, 2013
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Vibrio cholerae, the scourge of nations lacking clean water. Pseudomonas aeruginosa, the microbe that plagues people with cystic fibrosis. Acinetobacter species, opportunistic organisms that can infect vulnerable people. ...
Cell & Microbiology
Feb 15, 2013
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In a study that represents a potential cultural shift in how basic science research can be conducted, researchers from Harvard Medical School, Harvard Business School and London Business School have demonstrated that a crowdsourcing ...
Social Sciences
Feb 7, 2013
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Viruses can be elusive quarry. RNA viruses are particularly adept at defeating antiviral drugs because they are so inaccurate in making copies of themselves. With at least one error in every genome they copy, viral genomes ...
Cell & Microbiology
Nov 20, 2012
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When humans have parasites, the organisms live in our bodies, co-opt our resources and cause disease. However, it turns out that parasites themselves can have their own co-habitants.
Cell & Microbiology
Nov 7, 2012
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Researchers have discovered in fruit flies a key metabolic hormone thought to be the exclusive property of vertebrates. The hormone, leptin, is a nutrient sensor, regulating energy intake and output and ultimately controlling ...
Cell & Microbiology
Sep 27, 2012
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