'Policing' stops cheaters from dominating groups of cooperative bacteria
For cooperation to persist in the often violently competitive realm of bacteria, cheaters must be kept in line.
For cooperation to persist in the often violently competitive realm of bacteria, cheaters must be kept in line.
Evolution
May 26, 2011
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(PhysOrg.com) -- "If you don't like the news, go out and make some of your own." ... Wes "Scoop" Nisker
Cell & Microbiology
May 26, 2011
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Some people think of herbal teas, others of tobacco when they hear the buzzword "medicines from plants". One research team succeeded in producing biopharmaceuticals -- such as an antibody against HIV, for example, -- in tobacco ...
Biotechnology
May 26, 2011
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Telephone calls and video conferences with a sound quality that approaches that of direct communication are now possible with a new audio coding technology -- it is almost as if the discussion participants are sitting across ...
Engineering
May 26, 2011
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Displays that can be rolled up and flexible solar cells -- both are potential future markets. Barrier layers that protect thin-film solar cells from oxygen and water vapor and thus increase their useful life are an essential ...
Engineering
May 26, 2011
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"One person, one vote" is often the rallying cry for democratic reform, suggesting everyone should get an equal say in their government.
Social Sciences
May 26, 2011
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Traditional agricultural practices can make a major contribution to preserving biodiversity in the EU's new member states in Central and Eastern Europe. By contrast, the construction of roads and the intensification of agriculture ...
Ecology
May 26, 2011
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A switching trick makes it possible to cut the losses of a series-production inverter in half and increase the efficiency from 96 to 98 percent. The HERIC-topology makes it possible to achieve a world-record efficiency of ...
Engineering
May 26, 2011
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You need a mouse and a keyboard, a touch-screen or a joystick to control a computer system. In the future, a new gesture command system will make it possible to use just the fingers of a hand.
Engineering
May 26, 2011
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(PhysOrg.com) -- One of our scientists has shed light on how a common class of painkillers which includes ibuprofen may interact with a key protein that fuels the growth of many different types of cancer, according ...
Biochemistry
May 26, 2011
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