Tag: "weapons" at biology news

Secretary of Energy announces seven E.O. Lawrence Award Winners

...security category for his contributions to nuclear weapons design and his expertise that has helped certify the safety and reliability of nuclear weapons in an era without nuclear testing. Mortensen is a project design leader in the thermonuclear applic...

Scientists decipher genetic code of biothreat pathogen

.... Cultures of B. mallei were used as biological weapons during the U.S. Civil War, World War I and World War II. In addition, there have been reports that the Soviet Union weaponized the pathogen and possibly used it during the Soviet occupation of Afghanistan. TIGR collaborated on the B. mallei stu...

Laboratory grows world record length carbon nanotube

...nt, developing technologies to reduce threats from weapons of mass destruction, and solving problems related to defense, energy, environment, infrastructure, health and national security concerns....

DuPont developing new protective suits for military, first responders

...ntry are saying they need improved protection from weapons of mass destruction without compromising the weight and existing protection of their turnout gear," said Dale Outhous, DuPont Personal Protection business director. "We believe this emerging technology could revolutionize gear for both first respond...

Essential smell gene may provide key to new insect repellents

...ems." "We need better insect repellents to use as weapons against the spread of infectious disease," Vosshall adds. "Most insect repellents are based on trial and error, or folk remedies. Now we have a scientific, rational basis for designing insect repellents." An anomalous smell receptor The sense of sm...

UC Irvine scientists to develop vaccine to combat bioterrorism threat from deadly bacteria

...owever, terrorists may not even proceed to develop weapons that use B. pseudomallei ." Melioidosis occurs primarily in tropical regions, such as Southeast Asia and northern Australia. It is currently the leading cause of sepsis in northeastern Thailand, where infection rates are high during the rainy season...

Carnegie Mellon scientists reveal ways of studying, resolving PCB contamination in US rivers

...Bacteria are one of Mother Nature's most promising weapons to break down persistent, toxic PCBs. Now, Carnegie Mellon scientists have used DNA fingerprinting to discover distinct bacteria populations that decompose PCBs differently in the first ever side-by-side comparison of sediments taken from separate, c...

Congress to fund Sequim-based coastal security research effort

...points for terrorists and their weapons, including weapons of mass destruction, to enter our country with rel...pidly acquire, analyze and interpret evidence from weapons of mass destruction, or WMDs, in marine and coastal environments. One part of the program will be ce...

PCB breakdown in rivers depends on sediment-specific bacteria, find Carnegie Mellon U. scientists

One of Mother Nature's most promising weapons to break down persistent, toxic polychlorinated biphenyls (PCBs) is bacteria. Now, a study by Carnegie Mellon University scientists provides convincing evidence that how quickly a PCB gets eaten and what it becomes depends on where it settles. Using ...

Ecologist calls for creation of an international panel to assess human behavior

...whether any nations can ethically produce or store weapons of mass destruction.'' Ehrlich pointed out that the scientific community is well aware of the nature of the threats and the ''population-consumption drivers'' creating them, but the actions to counter those threats have been scattered and, with some ...

Nanotechnology pioneer slays 'grey goo' myths

...ity could be used to make powerful non-replicating weapons in unprecedented quantity, leading to an arms race or war. Policy investigation into the effects of molecular nanotechnology should consider deliberate abuse as a primary concern, and runaway replication as a more distant issue." In 1986, Drexler de...

Protein engineered to detect nerve gas

... could be widely deployed as early-warning alarms, weapons monitors or in the decontamination process after an attack. The detector could not only warn of the presence of the nerve agent, but act as a continuous monitor of its levels. Led by Associate Professor of Biochemistry Homme Hellinga, Ph.D., the rese...

Design of composite materials that detect terahertz discovered

...g, it is also of interest for airport screening of weapons and explosives. Terahertz rays could also help pilots guide airplanes in foggy weather because water doesn't scatter terahertz rays at particular frequencies," says Padilla. The other researchers involved in this study were Ta-Jen Yen, and Nicholas F...

NETs protect against pathogenic bacteria

...which contain an arsenal of enzymatic and chemical weapons against microorganisms. When a neutrophil encounters a pathogen, it engulfs the microorganism. Once inside the neutrophil, the pathogen is killed by antimicrobial substances from the granules. Berlin infection biologists have now discovered a totally...

Molecular level discovery could play role in development of new antibiotics

...ut also the kind potentially created in biological weapons by terrorists -- we will always need new antibiotics." The breakthrough in van der Donk's lab came in March 2003, when his doctoral student Lili Xie, now at the Harvard Medical School, noticed catalytic activity in the material she was investigating....

Fish, FRAMES and sticky chemicals net technology award for Pacific Northwest National Laboratory

...d can be signatures of illegal chemical or nuclear weapons production. With heated equipment and clear Teflon sheet walls, the chamber is so nonstick that users can identify semi-volatile, volatile and particulate chemicals; understand their life cycles; and determine likely sources. Special containers enabl...

Purdue biologists expose the inner workings of viral machine

...ve us insight into how it manufactures the genetic weapons it uses to infect cells." The reovirus is a member of a viral family that often causes diarrhea in young children. Infections caused by the closely related rotaviruses, for example, are responsible for approximately 1 million deaths annually in devel...

With nature's help, a better vision system for smart weapons

GAINESVILLE, Fla. --- The next generation of smart weapons may "see" targets with a manmade version of that w... working on biologically-inspired "eyes" for smart weapons and other self-guided machines. At the University of Florida, the focus of the "bio-optics synthetic...

Scientists decode DNA of bacterium that cleans up uranium contamination and generates electricity

...al problems at Department of Energy former nuclear weapons production sites. Researchers at the University of Massachusetts have previously found that Geobacter species can precipitate a wide range of radionuclides and metals (including uranium, technetium and chromium) from groundwater, preventing them fro...

Improved guidance systems for missiles will reduce collateral damage

...astructure wreckage, but also reduce the number of weapons that need to be fired. A major British aerospace company has developed a tiny, silicon ring-based inertial measurement unit, using micro-electro mechanical system (MEMS) technology, to help guide projectiles to their targets accurately. "The main adv...

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