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Most important actors in the growth process of neurons identified

Defects in the growth process of our neurons often underlie brain or nerve diseases, such as Alzheimer's disease or multiple sclerosis. Scientists from the Flanders Interuniversity Institute for Biotechnology (VIB) connected to the Katholieke Universiteit Leuven, led by Bassem Hassan, have achieved...

Protecting cells from their neighbors

...ed by a mechanism that blocks the silencing signal emitted by the latter. Casanova explains the context of the study, "it is crucial to unveil all the actors and molecular mechanisms that participate in the repression and activation of the genomes of distinct species because failures in these mechanisms are...

The law of the weakest

...he background is a branch of mathematics called game theory, and in this case evolutionary game theory. It helps analyze systems that involve multiple actors whose interactions are similar to those in parlor games." Using game theory, one can also study the collective development of populations. In thei...

Researchers at IRB Barcelona produce more data on key genes in diabetes

...ltered mitochondrial capacity to "generate" energy through a process called oxidative phosphorylation. In a study performed in 2003, two possible main actors were identified, the genes PGC1-beta and PGC1-alpha. These two genes are responsible for regulating the whole cascade of genes and proteins that allow...

Marine invasive species advance 50 km per decade, World Conference on Marine Biodiversity told

...aditional marine protected areas, Castilla says. He explains that "as there is no private property in the sea, all being common property, none of the actors involved in exploitation take responsability for marine resources." Castilla's model has been the basis to develop innovative components of fisheri...

Marine invasive species advance 50km per decade, World Conference on Marine Biodiversity told

...aditional marine protected areas, Castilla says. He explains that "as there is no private property in the sea, all being common property, none of the actors involved in exploitation take responsability for marine resources." Castilla's model has been the basis to develop innovative components of fisheri...

Are you phonagnosic?

...eries of tasks involving the recognition of faces, voices, vocal emotions, speech perception and music. KH struggled to recognise the voices of famous actors and politicians, and also had difficulty learning and recognising new voices. Compared to a control group of volunteers, nearly all of whom identified...

Egalitarian revolution in the Pleistocene?

...are egalitarian. Their weak leaders merely assist a consensus-seeking process when the group needs to make decisions, but otherwise all main political actors behave as equal. Some anthropologists argue that in egalitarian societies the pyramid of power is turned upside down with potential subordinates being...

Economic value of insect pollination worldwide estimated at 153 billion euros

...ubstantial economic losses even though our figures consider only the crops which are directly used for human food. The adaptive strategies of economic actors such as re-allocation of land among crops and use of substitutes in the food industry would likely limit somewhat the consequences of pollinator lo...

Potential new drug target to fight tuberculosis identified

...rch, which typically deals with the pathogen simply replicating in culture," explains Dr. Vandal. "In our experiments, we wanted to see if biochemical actors would emerge in the infective process that might be inoperative in the usual in vitro setting." The team specifically focused on changes in the pH ...

New studies predict record land grab as demand soars for new sources of food, energy and wood fiber

...t international initiatives to Reduce Emissions from Deforestation and Degradation (REDD) will fail unless there are robust and proactive steps by all actors to secure local land rights in forest areas. Investments in forest areas will only benefit the better off individuals and industries will neither add...

Ocean acidification -- another undesired side effect of fossil fuel-burning

...t a strategic workshop held in January, the ESF is currently producing a Science Policy Briefing which is to be targeted at the major stakeholders and actors in the field. In addition it was felt that the issue of ocean acidification needs to be addressed in a pan-European effort and that more intensive Eur...

UT researchers find link between advertising and increased tobacco use among India's youth

...ale shopping mall. Stigler said. The government is still working through the courts to determine the extent of the ban. For example, Stigler said, actors have started to stop smoking cigarettes in Bollywood movies but they now sing and dance about it instead. The researchers found the link between ...

Argonne scientists develop techniques for creating molecular movies

...w the molecule reacts to the initial laser pulse and also how it returns to a stable condition. We hope to establish between good and bad molecular actors in important chemical processes like photosynthesis, solar energy and catalysts, Tiede said. Once we see that, we can make these processes work better...

Jeremy Jackson honored by Harvard Museum of Natural History

... filmmakers and producers in Hollywood. The campaign has developed unconventional outreach materials, such as public service announcements with famous actors and comic settings. Jackson is the author of more than 100 scientific publications and five books. In 2007 he was selected as co-recipient of the ...

Actor-robots 'staff' part of new $5M simulation training center

...ocedures, and 12 examination rooms where students practice routine exams on actors posing as patients with particular complaints and symptoms. The mannequins...Anesthesiology and Critical Care Medicine. The troupe of paid professional actors who are trained to portray patients submit themselves to trainees who pract...

2008 Pew Fellowship in Marine Conservation awarded to Dr. Ussif Rashid Sumaila

.... First, Dr. Sumaila will develop global databases of national and private discount rates applied in key fisheries over the past ten years. Private actors in an economy, as well as governments, use these discount rates as a way to weigh future benefits against current ones. This project will provide poli...

Fisheries should be regarded as a part of the maritime environment

... must be taken into account. The observations on the role of participation in decision-making on fishery issues proved that major decision-makers and actors can be found in several different sectors and on all levels - from the EU to the local level. The decision-making process is therefore very complicate...

Where have all the lake eels gone? Queen's prof asks

...a role in the decline of the eel, whether some lakes and rivers are better than others for re-stocking with juvenile eels, which chemicals are the bad actors and whether eels pose a hazard to human consumers. American eels begin their lives as eggs hatching in the Sargasso Sea near Bermuda. They take yea...

Changing the global dietary environment

...e Robert Wood Johnson Foundation, as well as from Unilever, PepsiCo, Kellogg, Sodexho, Discovery Kids, SAM Sustainable Asset Management and many other actors from the private sector and civil society. As individuals, organizations, institutions and governments have been successfully mobilized to implem...

EC unveils new EU maritime policy

...al Earth science issues such as global change and biodiversity. ESA welcomes the Integrated Maritime Policy and intends to work with the different actors involved in areas where it sees current or potential future demand for space-based capabilities in the maritime sector. ...

Europe needs collective effort on System Biology, says ESF Task Force

...the advice given by the Task Force the next steps will be to start actual discussions among the ESFs 75 Member Organisations, the Commission and other actors in the field, both public and private, on how to go forward. The vision is that Europe will take the lead in making a blue cell a generic, model blu...

ESA launches new project to protect biodiversity

...to relate to the different areas where Earth observation (EO) technology may contribute to the conservation and monitoring activities of the different actors involved in UNCBD in Central America. ESA has identified four main users: the United Nations Educational, Scientific and Cultural Organization (UNESCO...

Freeze! Scientists film proteins at work by freezing them at different states

...Structural (IBS) and world-known filmmakers. However, scientists from these institutes based in Grenoble (France) have managed to produce a movie. The actors are not celebrities but a protein whose role is to eliminate toxic molecules. They filmed this protein in action by freezing it at several states. The...

Fishy cooperation

...e specialized signals to solicit each other's support in fights. What is truly spectacular about this study is that the entire interaction pattern—two actors who seemingly know what they are going to do and how this will benefit them—is not one we usually associate with fish. This is probably because we ten...

Hirsute Or Hairless? Two Proteins May Spell The Difference

... analysis, transgenic mice, and cell cultures—to study how epithelial buds, the precursors of hair follicles, form. Their experiments point to two key actors in a signaling pathway that molds a targeted cluster of cells into a hair bud. During the budding process, overlapping signaling pathways from two a...
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Breaking Biology News(10 mins):Pocket-sized anthrax detector aids global agriculture 2Pocket-sized anthrax detector aids global agriculture 3East African honeybees are safe from invasive pests… for now 2East African honeybees are safe from invasive pests… for now 3
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Breaking Medicine News(10 mins):Health News:Study IDs new cause of brain bleeding immediately after stroke 2Health News:Re-emergence of Ebola focuses need for global surveillance strategies 2Health News:Re-emergence of Ebola focuses need for global surveillance strategies 3Health News:Internet use may cut retirees' depression 2Health News:Animal study provides first evidence that gel can prevent multiple virus transmission in vagina/rectum 2Health News:20 years of data shows treatment technique improvement for advanced abdominal cancer 2
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