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Tag: "worldwide" at biology news

Plant studies reveal how, where seeds store iron

...ontent of plants. Their research helps address the worldwide problem of iron deficiency and malnutrition in humans. The team found that iron is stored in the developing vascular system of the seed of Arabidopsis, a model plant used in research. In particular, iron is stored in the vacuole, a plant cell's cent...

By 2048 all current fish, seafood species projected to collapse

...round," Worm said. The scientists studied 48 areas worldwide that have been protected to improve marine biodiversity. "We see that diversity of species recovered dramatically, and with it the ecosystem's productivity and stability." Researchers studied a variety of information in four meta-analyses, progress...

Global map shows new patterns of extinction risk

...e combined, records. The result is a comprehensive worldwide map of all species in these groups, on a finer scale than ever before. Professor Ian Owens, one of the paper's authors from Imperial College London's Division of Biology, and the Natural Environment Research Council's Centre for Population Biolog...

St. Jude announces breakthrough in eye cancer treatment

...etinoblastoma occurs in about 5,000 young children worldwide each year, arising from the immature retina, which...immune system. However, most of the 5,000 children worldwide who are found to have retinoblastoma live primarily in countries with limited resources and have res...

Widely used hepatitis B drug spurs HIV drug resistance

...us implications for the more than 4 million people worldwide believed to be infected with both viral illnesses but who need to treat their hepatitis B and are not yet on anti-HIV drugs. Authors of the study have informed the U.S. Food and Drug Administration of their results so that prescribing physicians...

Overfishing large sharks impacts entire marine ecosystem, shrinks shellfish supply

... been fished in recent decades to meet the growing worldwide demand for shark fins and meat." Sharks are ta...isheries. As many as 73 million sharks are killed worldwide each year for the finning trade, and the number is escalating rapidly. Ecologists have long pre...

HIV dementia alarmingly high in Africa

... Of the estimated 40 million adults and children worldwide who are living with HIV infection, an estimated 27 million live in sub-Saharan Africa, according to Sacktor. "If the rate we saw in our study translates across sub-Saharan Africa, we’re looking at more than 8,000,000 people in this region with HI...

New UD technology removes viruses from drinking water

.... Four billion cases of diarrheal disease occur worldwide every year, resulting in 1.8 million deaths, primarily infants and children in developing countries. Eighty-eight percent of this disease is attributed to unsafe water supplies, inadequate sanitation and hygiene. In the United States, viruses are ...

Common parasitic infection leads to increased risk for HIV infection

...nas vaginalis infects more than 170 million people worldwide each year. On its own, it usually does not cause serious complications. Some men may experience a mild burning sensation or discharge. Some women may have a frothy, strong-smelling yellow green discharge, and may feel discomfort during intercourse an...

A first glimpse of the influenza replication machine

In 1918, 50 million people died during a worldwide influenza pandemic caused by mutation of a bird-specific strain of the influenza virus. Recently H5N1, another highly infectious avian strain has caused outbreaks of bird flu around the world. There is great concern that this virus might also mutate ...

Bird flu -- Call for antiviral drugs to be shared

...ird flu'(avian H5N1 influenza) has not triggered a worldwide human epidemic yet because it rarely passes betwee...antiviral drugs only within their borders, limited worldwide sharing of antiviral drugs would slow down the spread of a flu virus by many months, to the benefit ...

'Terror bird' arrived in North America before land bridge, study finds

...d metamorphic rocks, but only one other researcher worldwide has applied this technique to date the age of fossils: professor Clive Trueman from the University of Southampton in England. "It is very difficult to assess the age of fossil bones directly as they are too old to be carbon dated," Trueman wrote in...

Organic is healthier: Kiwis prove that green is good

...uthoritative features and reviews. Opinion-formers worldwide respect Chemistry & Industry for its independent insight. About the Journal of the Science of Food and Agriculture The Journal of the Science of Food and Agriculture (JSFA) publishes peer-reviewed original research and critical reviews in t...

2,000 influenza virus genomes now completed and publicly accessible

...been a marked increase in the number of scientists worldwide depositing influenza genome sequence data into the public domain including scientists at St. Jude Children’s Research Hospital and the Centers for Disease Control and Prevention." ...

Meeting the ethanol challenge: Scientists use supercomputer to target cellulose bottleneck

... surge in renewable biofuels such as ethanol, with worldwide ethanol production more than doubling between 2000... have doubled in the past two years, and consumers worldwide are feeling the pinch as food prices climb. A far better source is to produce ethanol from cellu...

FDA causes unnecessary scare about common painkillers

...ly used NSAID, the unrecognized harm it has caused worldwide could be enormous." The European Regulatory Agency has reviewed the same evidence that the FDA considered and reached entirely different conclusions, said Furberg. He said this suggests that the decisions are not based on scientific evidence. W...

Pregnancy hormone key to repairing nerve cell damage

...ement. MS affects approximately 2.5 million people worldwide and Canadians have one of the highest rates of the disease in the world. "It is thought that during pregnancy, women's immune systems no longer destroyed the myelin," said Weiss, director of the Hotchkiss Brain Institute and senior author of the s...

Prehistoric mystery organism verified as giant fungus

...ical Society Petroleum Fund. Prototaxites lived worldwide from approximately 420 million to 350 million years ago. During this period, which spans part of the Silurian and Devonian periods of geologic time, terrestrial Earth looked quite alien in comparison to the modern world. Simple vascular plants, th...

Twenty of world's 162 grouper species threatened with extinction

...ganized the workshop. The workshop is part of a worldwide study of marine life called the Global Marine Species Assessment (GMSA) by IUCN, Conservation International and numerous other partners that provides scientists with baseline data for analyzing threats to ocean species. “This assessment forms part...

Biologists produce global map of plant biodiversity

... based species counts from over a thousand regions worldwide with high-resolution environmental data, the scientists were able to accurately capture the factors that promote high species richness of plants. "This allowed us to estimate the richness of yet unsurveyed parts of the world," says Jetz. "The glo...

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