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Tag: "security" at biology news

How 'memory' T cells curb the spread of viruses throughout the body

...ly stages of the infection. “It’s like having a security check point,” said Sigal. “Also, many cancers, like viruses, must pass through lymph nodes to metastasize, so this research may help develop vaccines that prevent tumor metastases.”...

Fuel from fiber -- Pretreatment can put corn stalks, trees in your car's tank

...r for the environment and much better for national security than petroleum-derived fuels," Dale said....

Rare soft-shell turtle, nesting ground found in Cambodia

...vey was the first detailed study of the area since security restrictions were relaxed in the late 1990s. “Our survey work to date has documented some of the highest freshwater biodiversity values in the entire Lower Mekong Basin,?said Mark Bezuijen of WWF’s Living Mekong Program, who led the team. “We disc...

ConocoPhillips establishes $22.5M biofuels research program at Iowa State

... a very big part of increasing the nation's energy security will be producing fuels from plants. Iowa State scientists and engineers are well positioned to put science to work advancing biofuels technologies." Robert C. Brown, the Iowa Farm Bureau Director of Iowa State's Office of Biorenewables Programs, ...

New sensor detects gaseous chemical weapon surrogates in 45 seconds

...r exceed current and emerging defense and homeland security chemical detection requirements. The technique, called Quartz Laser Photo-Acoustic Sensing, or "QPAS," is now ready for prototyping and field testing. PNNL, a Department of Energy national laboratory, has demonstrated QPAS's ability to detect gase...

Twenty of world's 162 grouper species threatened with extinction

...nued decline of fish populations can threaten food security and livelihoods in source countries. Their pending inclusion on the IUCN Red List of threatened species also reflects the widespread failure to successfully manage fisheries associated with coral reefs. Groupers are among the oldest fish on coral ...

Florida Tech explores microalgae for biofuel

...rately needed for sustaining the economy, national security and to respond to environmental concerns. Microalgae cultivation is an attractive alternative and the warm Florida climate makes large-scale production a possibility," said Lin. ...

Trying to control pain can be a double-edged sword, say scientists

...eir prefrontal cortex associated with a feeling of security is activated. The findings are published in the Journal of Neuroscience today and have been welcomed by the Expert Patients Programme. More significantly, the team went on to show that when faced with pain beyond their control, people who tend to ...

A new understanding of how cells defend themselves against bacterial pore-forming toxins

... know that inflammasomes act like a sort of roving security force inside the cell, detecting a variety of danger signals such as bacterial RNA or bits of bacterial flagellin. The inflammasomes join together and activate a protein, caspase-1, that in turn triggers an inflammatory response. Van der Goot and ...

Sandia research to focus on early detection of harmful algal blooms

...er ), for example, strives to increase the safety, security and sustainability of water infrastructure through the development of advanced technologies that create new water supplies, decrease demand through water-use efficiency, and provide decision-informing tools to the institutions responsible for balanci...

Weizmann Institute scientists discover a molecular security mechanism for keeping mutations in check

... Prof. Livneh and his team recently discovered a security mechanism that prevents such proliferation of mutations. This mechanism allows the right enzyme to go to work at the right time, and only when it's needed. The main components in this system are the proteins p53 and p21. p53, named "molecule of the y...

Sleep deprivation doubles risks of obesity in both children and adults

...ranca, the Regional Adviser for nutrition and food security in the World Health organisation (WHO) Regional Office for Europe said: "This is an interesting piece of research putting together different lifestyle aspects with food choices. We need more research on the obese environment - the integration betwe...

Magnetism and mimicry of nature hold hope for better medicine, environmental safety

...s promise for improving public safety and homeland security efforts, Picraux says. The method could aid in more quickly and accurately detecting and analyzing dangerous chemicals if they were intentionally introduced into a public environment. It also could improve monitoring systems in factories and other in...

Five surprising facts about starvation that could change the international agenda

...ease and from an indirect impact on household food security and childcare. Without dual action against wasting and HIV/AIDS, the deadly synergy of these two factors is likely to grow in coming years." Fourth, political and economic growth do not always automatically improve child nutrition. According to the...

A more powerful and efficient engine for rice: the C3-C4 challenge

...er said. "This generation must work to assure food security not only for ourselves, but for future generations as well. We must find and develop big new ideas to help us further increase rice production while using less land, labor, and water." To meet this important challenge, scientists at the workshop fo...

Purdue creates new low-cost system to detect bacteria

...ications in medicine, food processing and homeland security at one-tenth the cost of conventional technologies. The technique - Bacteria Rapid Detection Using Optical Scattering Technology - works by shining a laser through a petri dish containing bacterial colonies growing in a nutrient medium. "Unlike c...

Widespread elephant slaughter discovered in Chad

...in the path of recent rebel activity in Chad, thus security is low and borders are porous in this isolated reg...atrols as well as to significantly increase ground security and information gathering. ...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

...hodically stopping at each lymph node like a night security guard making the rounds and checking the doors. There are dendritic cells in the lymph nodes, waiting to present antigens in a way the T cells can recognize. Each T cell recognizes only one antigen, but preserves that knowledge in its progeny. On av...

Multi-million pound UK Biobank underway

... that there may be questions or concerns about the security of the information and DNA samples. So, informatio...council, Data Protection Act compliance, stringent security measures to prevent unauthorised access to participant's data -- and this scrutiny will be ongoing."...

Rhinos clinging to survival in the heart of Borneo, despite poaching

...ace in the areas where the rhinos are found. Those security measures were recently installed. WWF and partners last month launched a five-year project called "Rhino Rescue," which will organize rhino protection units and other activities to deter poaching. "The results from the survey of Borneo's rhinos are...

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