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Tag: "worldwide" at biology news

Oceans are 70 percent shark free

...nd the continents. "Sharks are already threatened worldwide by the intensity of fishing activity but our finding suggests they may be more vulnerable to over-exploitation than was previously thought." The scientists based their conclusions on a wide range of data which includes information gathered during a ...

Low-cost drug gaining favor for use in HIV-infected children in poor countries

...single study at the center of mounting support for worldwide use of the low-cost drug Bactrim to help HIV-infected children in poor countries. The reviewers surveyed medical literature on the preventive use of Bactrim -- one of several brand names for the generic medicine cotrimoxazole -- for children to ward...

Human albumin from tobacco plants

...al consumption in Spain is about 10 tons but, at a worldwide level, the demand exceeds 500 tons. Agricultural ..., but the lack of sufficient reserves to cover all worldwide needs has instigated researchers to look for new formulae to multiply this protein. One of the metho...

Tastier tomatoes in the future?

...In 2004, 120,000 tonnes of tomatoes were harvested worldwide - and every year this number increases. Numerous medical studies have shown the health value of tomatoes. Lycopen, the pigment that makes tomatoes red, can for example prevent heart disease. Tomatoes furthermore contain a lot of vitamins C and E, ind...

Mice studies illustrate potential of chimp/human antibodies to protect against smallpox

...ngs of the National Academy of Sciences (PNAS). A worldwide immunization program officially eradicated naturally occurring smallpox disease in 1980. However, concerns of a bioterror attack involving the highly contagious and fatal virus have prompted researchers to search for new smallpox vaccines and treatme...

Cell barrier shows why bird flu not so easily spread among humans

...uggests that scientists and public health agencies worldwide may have more time to prepare for an eventual pandemic of avian influenza. Periodically, animal forms of influenza such as bird flu evolve to become highly contagious human pathogens. Most scientists agree a pandemic of avian influenza will occur at...

Bringing the zoos to the zebras

...apagos, and Madagascar. Earthwatch engages people worldwide in scientific field research and education to promote the understanding and action necessary for a sustainable environment. 2006 marks the 35th anniversary of the unique global volunteer organization. The Samburu Conservation Research Initiative is...

Warming trend may contribute to malaria's rise

...laria still affects hundreds of millions of people worldwide and has been on the rise in some highland regions and desert fringes. Because the life cycle of the mosquito that transmits malaria and the microorganism that causes the disease are extremely sensitive to changes in temperature, some scientists have ...

World's pledge to halve hunger by 2015 looks like empty promise

Almost 200 countries agreed in 1990 to cut worldwide hunger in half by 2015. That commitment is now loo...hough China has reduced its poverty levels, hunger worldwide has grown in more than half of the developing countries since 1990. In fact, the number of hungry pe...

World first research to speed up cure for ear infections

...rs of ear infections. "Ear infections are a major worldwide health problem and it is common for an average person to take up to 10 years before they receive medical treatment. "We tend to ignore ear infections thinking they will go away or we might have a reluctance to visit the doctor ?but in third-world co...

HortResearch science reveals the natural potential of apples

Fruit lovers worldwide may soon enjoy new, healthier, tastier apples, following the release this week of crucial genetic data which fruit breeders say will help revolutionise the produce industry. Researchers at New Zealand's world renowned fruit science company HortResea...

Tool developed to silence genes in specific tissues using RNAi

... function of the testes after birth." Researchers worldwide have been trying to harness the power of RNAi since it was discovered in 1998. RNAi rocked the world of science because of the vast implications this natural cellular control system potentially offered medicine. RNAi is used by cells in many life f...

World shark attacks dipped in 2005, part of long-term trend

...ive human behavior could explain why shark attacks worldwide dipped last year, continuing a five-year downward ...nd, play dead and give up the purse." Despite the worldwide decline, the number of attacks in the United States rose slightly, from 30 in 2004 to 38 in 2005. Bu...

Worm hormone discovery may aid fight against parasitic disease

...tion, such parasites infect about 2 billion people worldwide and severely sicken some 300 million, at least 50 percent of whom are school-age children. In the infective state, parasitic nematodes, such as hookworms, remain in a larval, "resting" stage until they enter the human body, where they eventually mi...

The diversity of marine life in the Gulf of Maine region is much greater than previously thought

...niversity of Southern Maine, is one of 17 projects worldwide and serves as a demonstration of how to undertake a census in a large marine ecosystem. Interesting facts derived from the Gulf of Maine Register of Marine Species Marine species in the Gulf of Maine range from miniscule, like the diatoms, to giga...

'Dead zone' summer killed billions of ocean state mussels

...Program report, the number of areas hit by hypoxia worldwide has doubled since 1990. "Dead zones" can be found along the east coast of the United States, in the seas of Europe, as well off Australia, Brazil, and Japan. One of the biggest "dead zones" is in the Gulf of Mexico, where it has grown to an area as b...

Heparin prepared synthetically could replace animal-derived drug

...replacements, and deep vein thrombosis. The annual worldwide sales of heparin are estimated at $3 billion. "We have synthetically prepared heparin in quantities large enough for use in human medical treatments by engineering recently discovered heparin biosynthetic enzymes," says Robert Linhardt, the Ann and ...

A large step forward in the fight against African sleeping sickness

...62;African sleeping sickness About 400,000 people worldwide suffer from the deadly African sleeping sickness. The disease produces severe sleep disorders that ultimately end in coma, followed by death. At present, fewer than 10% of the patients are treated in time. But on the other hand, the current treatment...

New vaccine for condition that kills 500,000 children a year

... a safe and effective rotavirus vaccine has been a worldwide priority since the virus was discovered in the 1970s," Matson said. "It became clear at that time that it was one of the major killers of children, and there was no effective treatment." Rotavirus is endemic and infections occur in almost all childr...

New organic substrate

...ixed with peat. Peat is the prime substrate at a worldwide level as it provides great technical performance but, on the other hand, it is mostly imported from colder regions in the North of Europe (Finland, Sweden, Norway, etc.). This is why the advantage of the product developed by the Public University of ...

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