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Attacks in Biological News

Geographic profiling applied to track hunting patterns of white sharks in South Africa

... of prey interception were greatest. Instead the attacks seemed to take place at strategic locations that ... collected data on 340 natural predatory attacks by sharks on seals in False Bay. They were able ... natural predation by great white sharks because attacks occur at the water's surface where they can be ...

Simple test helps predict heart attack risk

... the potential to prevent devastating heart attacks in thousands of individuals who are not ... Scientific Meeting. About 25 percent of all heart attacks or sudden cardiac deaths in the United States ... intensive medical therapy and preventing heart attacks and strokes," said Murphy. While 91 percent ...

Shark attacks decline worldwide in midst of economic recession

... says a University of Florida researcher. Shark attacks worldwide in 2008 dipped to their lowest level in ... released today, the total number of shark attacks declined from 71 in 2007 to 59 in 2008, the ... human populations continued to rise." Shark attacks dropped in the United States and abroad in 2008, ...

Neighbors from hell: Infanticide rife in guillemot colony

... same species in the last year. Hundreds of such attacks occurred, and many were fatal, with chicks being ... one of them remain to protect the chick from attacks from neighbouring birds even if it gets less food? "The attacks were brutal and usually involved more than one ...

New discoveries from Harvard and Baylor get to the heart of cardiovascular disease

... and in so doing, reduce the incidence of heart attacks and strokes. According to James Liao, MD, ... help us understand the factors that provoke heart attacks and strokes." And as the first study aims to ... of atherosclerosis, the risk of fatal heart attacks or strokes would decrease significantly. ...

RAND study finds increase in piracy and terrorism at sea

... to combat lower consequence (but more probable) attacks that could strike cruise ships or passenger ... the period saw only a modest spike in terrorist attacks and plots at sea, including the 2004 bombing of ... as researchers suspect nearly half of all piracy attacks are not reported, usually because of fears about ...

Cigarette after Valentine snuggle deadlier for some

... on artery walls and predispose a person to heart attacks or strokes, HDL helps filter LDL out of the blood ... overdrive. This overactive protein more furiously attacks HDL, breaking it into smaller particles that are ... thank their lucky genes for not suffering heart attacks at a young age. Moss conclusions are based on ...

Human deaths from shark attacks hit 20-year low last year

... GAINESVILLE, Fla. Fatal shark attacks worldwide dipped to their lowest levels in two ... public awareness about the danger of shark attacks are all likely reasons the fatality rate so far ... the 1990s, Burgess said. The number of shark attacks overall increased from 63 in 2006 to 71 in 2007, ...

Sex involved in plant defense

... Why do some plants defend themselves from insect attacks better than others? New evidence shows that the difference might be due to ... discovered that sexually produced evening primrose plants withstand attacks from plant-eaters like caterpillars better than plant relatives that ...

Tracking down the causes of multiple sclerosis

... has worked on the assumption that the disease mainly arises as a result of attacks on a group of white blood cells known as T cells. These immune-system ... than others. One group of these 'special' T cells recognises and attacks the protein MOG, which is found on the surface of brain cells. To the ...

New phorid fly species turns red imported fire ants into 'zombies'

... fire ants and not disturbed mounts. Which is even better, he said, as attacks of ants are not dependent upon the mounds being disturbed. The ... the new species, the previously released phorid fly species in Texas only attacks red imported fire ants. They inject their eggs into their bodies. In ...

International study identifies gene variants associated with early heart attack

... The largest study ever completed of genetic factors associated with heart attacks has identified nine genetic regions three not previously described that ... controls. Significant associations with the risk of early-onset heart attacks were found for common SNPs in nine genetic regions. Three of those ...

Host shift triggers cascading effect on ecosystem, research finds

... and his colleagues found that a parasitic wasp ( Diachasma alloeum ) that attacks the apple maggot ( Rhagoletis pomonella ) has "formed new incipient ... that isolate it from the other wasp populations. " D. alloeum attacks only R. pomonella complex flies found on these four host plants," Forbes ...

Biologist enhances use of bioinformatic tools and achieves precision in genetic annotation

... them. In one study, we took a plant pathogen (Pseudomonas syringae) that attacks a number of crops such as bean, soya, tomato; in another we used various ... brucellosis (the Brucella genus), given that each variety of this bacteria attacks one type of animal breed specifically. In each case what was common was ...

Overuse of narcotics and barbiturates may make migraine worse

... most commonly on one side. The pain can worsen with physical activity. attacks most commonly last from 4 to 72 hours, but may persist for longer. More severe attacks are overwhelming and hinder daily activities. In addition to personal ...

Friend or foe? How the body's clot-busting system speeds up atherosclerosis

... a high baseline level of blood plasmin are at increased risk for heart attacks and for fast-developing forms of atherosclerosis. In addition, human ... counter the notion that urokinase and plasmin protect against heart attacks by removing dangerous blood clots. At first vascular biologists ...

Racial disparities in cardiovascular health linked to birth weight, slavery

... have lingering effects on diseases like hypertension, diabetes and heart attacks in her children," says Christopher Kuzawa and Elizabeth Sweet, who ... rather than genes, may underlie the problem of racial inequity in heart attacks and strokes in the U.S. In a related editorial in the journal, Peter ...

JDRF funded study links 'hygiene hypothesis' to diabetes prevention

... what prevents autoimmune disorders -- conditions where the immune system attacks healthy cells in the body. In people with type 1 diabetes, the immune system attacks the beta cells in the pancreas, stopping a person's ability to detect ...

New 'chemical radar' among national security innovations in ACS podcast

... WASHINGTON, Sept. 4, 2008 As the anniversary of the September 11 attacks approaches, the American Chemical Society (ACS) has issued a new podcast ... focuses on scientific advances toward early detection of bioterrorism attacks with biological threats that the National Institutes of Health calls ...

How to stop a new type of heart attack

... its wearer damaging shocks, or run down its batteries. Such irresponsible attacks might seem inconceivable, but Tamara Denning, a computer scientist at the ... the Epilepsy Foundation's website, apparently with the aim of triggering attacks in people with photosensitive epilepsy. Pacemaker users could be ...

Even low levels of air pollution may pose stroke risk

... the study, researchers identified ischemic strokes and transient ischemic attacks (TIA), sometimes called mini strokes but that often lead to a stroke later. Ischemic attacks are caused by a blockage of blood flow to the brain by a blood clot. ...

DHS, business leaders discuss technology to protect US at Homeland Security conference

... is the federal agency charged with protecting our nation from terrorist attacks and making it a more secure place to live, work and visit. To that end, ... eighth one organized by the IEEE Boston Section following the terrorist attacks of 11 September 2001. The conference continues to grow and this year had ...

Playing dead is no game for ant survival

... behavior of the highly territorial fire ant, Solenopsis invicta, during attacks by ants from neighboring colonies in the laboratory. They showed that ... of their response to their aggressors. Days-old workers responded to the attacks by pretending to be dead. Weeks-old workers responded by fleeing and ...

Researcher discovers pathway plants use to fight back against pathogens

... of Missouri biochemist. Previous studies have shown that plants can sense attacks by pathogens and activate their defenses. However, it has not been known what happens between the pathogen attacks and the defense activation, until now. A new MU study revealed a very ...

Severe asthma may be a different form of the disease

... well to treatment. People who have severe asthma are likely to have more attacks and are more at risk of a fatal attack. During an asthmatic attack, the ... and infections may cause the inflammation of the airways, and asthmatic attacks are more likely to occur with a cold or during allergy season. Inhaled ...

The endocannabinoids: Functional roles and therapeutic opportunities

... it has an immune system, whose main role is to protect against protein attacks (microbes, parasites for example) and to reduce the damage caused by them. ... system. The endocannabinoid system acts as a guardian against various attacks on the mammalian body. Conclusion The above described research ...

Cigarette smoking may accelerate disability in those with MS

... the three most common forms of MS: 253 had relapsing-remitting MS -- acute attacks with full or partial recovery; nine had primary-progressive MS -- steady ... onset; and 90 had secondary-progressive MS, characterized by occasional attacks and sustained progression. Another 16 participants had experienced their ...

NIH stimulus funding supports Emory biomedical scientists

... hemophilia and other clotting disorders: If your blood has trouble clotting, you might have hemophilia. If it clots too easily, embolisms, heart attacks or strokes can occur. Understanding blood-clotting proteins can improve treatments for inherited hemophilia and cardiovascular disease. This study ...

First human gets new antibody aimed at hepatitis C virus

... the useful dose and other parameters as we plan for the next step in this program, which will be a Phase 2 study in liver transplant patients." HCV attacks the liver and can eventually lead to liver failure. According to the U.S. Centers for Disease Control and Prevention, 3.2 million Americans are ...

Common allergy drug reduces obesity and diabetes in mice

... beta cells of the pancreas, but their root causes are completely different. Type 1 diabetes is an autoimmune disease in which the immune system attacks the pancreas, destroying its ability to produce insulin. In contrast, type 2 diabetes is a strictly metabolic condition in which cells grow ...

DOE-funded research projects win 46 R&D 100 Awards for 2009

... transport to a qualified analytical laboratory. This technology will help safeguard against pathogen contamination or chemical and biological attacks on water supplies. The technology has been licensed to Teledyne Isco, Inc. of Lincoln, Neb. (Jointly with the Environmental Protection Agency) ...

Early detection and quick response are key to defense against anthrax attack

... at the U.S. Centers for Disease Control and Prevention (CDC). "But most important of all are multilateral diplomatic efforts to prevent bioterrorist attacks from ever happening." The study predicts that a campaign initiated two days after exposure would protect as many as 87 percent of exposed ...

High-tech vehicle design boosts emergency rescue capacity

... impact at 30 km/h. The rescue vehicles are easy and safe to operate, and simple to clean and disinfect. Environment disasters and terrorist attacks are putting ever increasing pressure on the rescue services as they often have to take care of a high number of victims in a very short period. In ...

Negligible impact on public safety from shark cage diving operations

... specific to the tour operations and different from inshore recreational stimuli. The study also notes that there has been "no increase in shark attacks on the north coast of O'ahu since cage diving started." ...

Protein can help cells or cause cancer, Purdue researcher finds

... growth, as well as a shortage of the p53 molecule, will lead to tumor formation. Studies in Liu's laboratory showed that the Plk1 molecule indirectly attacks p53 in a process called ubiquitination. "This provides the mechanism for how p53 loses its function in cancer cells," said Liu, whose work was ...

The tiny difference in the genes of bacteria

... cholerae strains are pathogenic to humans. Only those strains cause severe diarrhoea known as Cholera that produce a certain bacterial toxin which attacks the intestinal wall. A less known, though also dangerous member of the genus Vibrio, is Vibrio parahaemolyticus. It is a highly contagious pathogenic ...

Frost & Sullivan Looks at Biometrics Advancement in Civil Security: Exploring Opportunities for Today and Beyond

... and providing challenges along with the growth/restraining factors for the European Civil Security Industry. "The rising crime and terrorist attacks has compelled the government agencies and private sector to focus on preventive and early detection technologies, rather than completely investing in ...

The tiny difference in the genes of bacteria

... cholerae strains are pathogenic to humans. Only those strains cause severe diarrhoea known as Cholera that produce a certain bacterial toxin which attacks the intestinal wall. A less known, though also dangerous member of the genus Vibrio, is Vibrio parahaemolyticus. It is a highly contagious pathogenic ...

T-STAR grant funds genetic studies on shrimp and papaya and endangered cycad rescue

... The projects funded will serve aquaculture and papaya farmers as well as work toward the preservation of an endemic cycad species endangered due to attacks by several species of invasive insects. Hui Gong, an aquaculture researcher with WPTRC, was awarded $186,960 for a genetic variability study of ...

From Jack the Ripper to great white sharks

... used to hunt serial criminals, can be used to study the hunting patterns of great white sharks. The authors observed the location of 340 shark attacks and used the data to locate the sharks' anchor point. Interestingly, the study also showed that younger sharks exhibited less focused search patterns ...
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