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Tag: "worst" at biology news

Study finds that nutritionally enhanced rice reduces iron deficiency

...growth when brain development occurs. Many of the worst affected are found among Asia's poorest, but iron deficiency is also widespread in Africa, affecting more than 80 percent of young children in some countries. Nutritional experts correctly advise that the best solution is a balanced diet of fruit, ...

Climate change: The rice genome to the rescue

... to help poor rice farmers and consumers avoid the worst effects of the problem. The new knowledge generated by the sequencing effort is allowing scientists to both develop new rice varieties faster and with the specific characteristics needed to deal with climate change, such as tolerance of higher tempe...

Researchers discover way to transport environmental arsenic to plant leaves in new clean-up strategy

...nd the world," said Meagher, "but the situation is worst in India and Bangladesh, where around 400 million people are at risk of arsenic poisoning. Unfortunately, the high cost of using excavation and reburial at these sites makes these technologies unacceptable for cleaning up the vast areas of the planet...

Exxon Valdez oil found in tidal feeding grounds of ducks, sea otters

...pelling new evidence suggests that remnants of the worst oil spill in U.S. history extend farther into tida...on northern Knight Island, one of the earliest and worst affected areas during the spill. They found Exxon Valdez oil at 14 of the 32 sites. Although oil was...

Movie spies on malaria parasite's sneaky behavior

...ood cells. The rupturing of blood cells causes the worst symptoms of the infection, which can be deadly to children, pregnant women, and others with weak immune systems. After leaving this trail of cellular death and destruction in its wake, the parasite is finally taken up again from the blood when anot...

Where have all the butterflies gone?

...ly in the year mean that 2006 is shaping up as the worst year for California's butterflies in almost four d...pear from the region altogether. "It has been the worst spring for butterflies of my 35 in California," Shapiro said. "There will probably be long-term repe...

Inheriting a tendency to brain infection

...nfected by the herpes simplex virus. For most, the worst symptom is a cold sore, but in some individuals, the virus causes inflammation of the brain that can lead to mental retardation, epilepsy, or death. Until now, scientists have been unable to identify any specific risk factors for the disease. Five ...

NASA study: Alaskan fires affected Houston air quality in 2004

...EPA) standard for ozone, placing Houston among the worst urban areas in the U.S. for ozone pollution. Besides posing a health risk for people with respiratory problems, ground-level ozone has also been linked to increased rates of asthma among children, and it can destroy plants and reduce crop yields. Fed...

Study illuminates how the plague bacteria causes disease

... bacteria historically responsible for some of the worst diseases," he added. Although improvements in sanitation have eliminated acute problems from diseases caused by Yersinia, concerns remain about the possibility that an untreatable strain might arise or that the bacteria might come into use as a biolo...

Train your brain to hear your friends at a party

...e in a noisy room. Parties or bars are some of the worst places because the level of background noise is high, and so scientists call this the "cocktail party effect". To see what this was like, Irving wore an earplug in one ear for a week which gave him a one-sided hearing loss. He said: "It was hell -...

New study finds chocolate chip cookies lower cholesterol

...ht Direction Cookie group. The decrease was in the worst kind of lipoproteins, those that were smallest and most likely to raise risk for heart disease. Body weight did not change and there were no changes in HDL (good) cholesterol. According to the Center for Disease Control, a 10 percent decrease in tot...

Living with water scarcity -- world must act now

...demand will double over the next 50 years. In the worst case scenario where practices don’t change, water use will also double. Agricultural practices are changing, but not fast enough. The Assessment shows that with wise policies and investments in irrigation, upgrading rainfed agriculture, and tra...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

...rades severity on a 1 to 4 scale, with 4 being the worst case. The "T" designates cancer size; the "N" designates the presence of lymph nodes, which are associated with tumors; and the "M" designates metastasis of the cancer to other organs. The autopsy and other accounts indicate that the cancer was large...

In-shell vaccine for chick disease

...n-ovo) using robotic 'vaccinators'. IBV is the worst infectious disease in terms of economic loss to the UK poultry industry. Infection can lead to severe respiratory disease, dramatically reduce egg production and affect the quality and hatchability of eggs. The researchers, funded by the Biotechno...

Massive coral death attributed to earthquake

...s from Simeulue is not all bad. At many sites, the worst affected species are beginning to re-colonize the shallow reef areas. The reefs appear to be returning to what they looked like before the earthquake, although the process may take many years. "The challenge now is to work with local communities a...

Scientists identify pancreatic cancer stem cells

...ve-year survival rate of only three percent -- the worst prognosis of any major cancer, said the study's lead author, Diane M. Simeone, M.D., an associate professor of surgery and molecular and integrative physiology. "The cells we isolated are quite different from 99 percent of the millions of other ce...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...stration, Fitz will transform some of the "world's worst sounds" (as determined by UK acoustician Trevor Cox, http://www.sound101.org/ ) into more pleasing (or at least entertaining) ones. Morphing is often applied to film soundtracks (as audio special effects) and music synthesis. (3pID2). ALIEN SOUN...

Climate change was the cause of Neanderthal extinction in the Iberian Peninsula

...derthals and 24,000 years ago they had to face the worst weather conditions in the last 250,000 years. The most important about these data is that they differ from the current scientific paradigm which makes Homo Sapiens responsible for the Neanderthal extinction. This work is a contribution to a new sc...

Liver cancer patients with high serum levels of hepatitis B virus face poorer outcomes

... of severe hepatitis which was associated with the worst survival. The article is also available online at Wiley Interscience ( http://www.interscience.wiley.com/journal/hepatology ). HBV is associated with a more than 200-fold increase in risk of liver cancer. In areas where HBV is endemic, like China an...

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