Tag: "warns" at biology news

Stem cells delivered into back of eye hold promise for people with retinitis pigmentosa

...including RP and macular degeneration." However, warns Friendlander, as encouraging as it is that they were able to achieve the same rescue effect in mice with human bone marrow cells, the technique is still some distance from the clinics. At the moment, Friedlander and his colleagues are continuing thei...

Designer diseases

...modified virus will act like the parental strain," warns Adrian Gibbs, an expert on viral evolution formerly at the Australian National University in Canberra. So far PAC-CRC has shown only that the mouse GMO does not infect rats, and that three species of native rodents are immune to the unmodified virus....

Long-term decline of coral reef ecosystems reported

...icle in the August 15 issue of the journal Science warns against the human exploitation of coral reef ecosystems around the world, noting that these "ecosystems will not survive for more than a few decades, unless they are promptly and massively protected from human exploitation." This warning comes out o...

Scientists celebrate a sea turtles homecoming

... almost entirely to education efforts. But Lagueux warns that loss of sea turtle nesting habitat now looms as one of the largest threats. Recent development of several of the nesting cays by foreign investors is destroying many prime nesting beaches. According to WCS scientists, the Nicaragua government h...

DNA profiling used on cannabis plants

...ist ties, it could be traced back to that person," warns Gary Shutler of the Washington State Patrol's crime laboratory division. On the other hand, he says, where medical uses of marijuana are legal, the technology could help characterise strains with the desired medicinal properties. Several US states h...

Farming the tigers of the sea undermines the promise of aquaculture

... report examines the impacts of farming salmon and warns that the trend toward farming additional carnivoro...or aquaculture to feed the world." SeaWeb's report warns that industrialized aquaculture is long overdue for reform and emphasizes that in their rush to purs...

West Nile virus warning system from climate data

...in the first Web-based, degree-day calculator that warns public health officials when, where and under which conditions infectious mosquitoes can either thrive or die. The information is expected to be on line by next summer. "Scientists, whether they are climatologists or medical entomologists, have never...

New range of antibiotics may present a threat to public health

... compromise ournatural defences against infection, warns McGill evolutionary biologistGraham Bell. His paper, entitled Arming the Enemy: the evolution ofresistance to self-proteins and co-authored by Pierre-Henri Gouyon, waspublished in the journal Microbiology this week. http://mic.sgmjournals.org/curren...

Mosquitoes infected with La Crosse encephalitis found in four Southwest Virginia counties

...sing to seizures and coma. The CDC fact sheet also warns of potential adverse effects on IQ tests and school performance following infection. "There's been a lot of talk about West Nile virus, and people are fairly well aware of it," Paulson said. "This is something that isn't as well known. While older pe...

World's smallest seahorse discovered

...on record, it's hard to know what risks they face, warns Lourie. Heavy-duty trawling gear that can flatten reefs is one potential threat. Underwater tourism is another. "Divers and photographers could possibly love these animals to death," she says. Lourie is doctoral student at McGill University in Montre...

TSRI scientists show that rare genetic mutations increase susceptibility to sepsis

...e they were single, isolated mutations. "However," warns Beutler, "we can only account for a certain fraction of the [genetic] risk." Nevertheless, this is the first time that a comparison of the collective mutations at a given genetic locus has been made in any infectious disease. Infectious diseases are,...

Yellowstone wolves, grizzlies and moose 'dysfunctional' study says

...) appearing in the journal Biological Conservation warns that a proposal to remove grizzly bears and wolves living in the Greater Yellowstone Ecosystem (GYE) from the Endangered Species List is premature, because neither species may be fully recovered. Federal officials are now moving to delist the largest...

Student knowledge of evolution deficient

...the general public who don't understand evolution, warns Alters. "A considerable proportion of college graduates aren't familiar with evolutionary principals either." These are just some of the issues that Alters has tackled in the last edition of Evolution, in collaboration with Craig E. Nelson, a profes...

New broccoli compound appears promising against breast cancer

...ompound, sulforaphane, can be toxic in high doses, warns Kosmeder. He cites laboratory studies in which the compound, above certain levels, killed cultured animal cells. It is also difficult and expensive to synthesize. These factors make sulforaphane a poor candidate for drug development, he said. Kosmede...

Fungi help some trees weather acid rain, not all

...m of pollution. But don't stop worrying just yet, warns Timothy J. Fahey, the Liberty Hyde Bailey Professor of Natural Resources at Cornell University and a co-author of the report, "Mycorrhizal weathering of apatite as an important calcium source in base-poor forest ecosystems." "Not all tree species ar...

Advance warning of storms and cyclones with new technique

...rt of the answer to reducing the impact of storms, warns Dr Wheeler. "We must also make ourselves less vulnerable to the effects of storms by being better prepared when such events occur". Development of forested areas, the growth of unsustainable megacities and the overdevelopment of the coastal zone are...

Selenium: an insidious and persistent toxin

...uatic Toxicology, a USDA Forest Service researcher warns that the impacts of selenium on freshwater fish populations may become more widespread as human disturbance increases -- and that long-term effects may be underestimated. Dennis Lemly, Forest Service research biologist at the Southern Research Statio...

Greatest threat to Asia's wildlife is hunting, scientists say

...gion, This is just the first stage of the losses, warns WCS. "Across Asia, many species are living in only a small fraction of their original habitat. If hunting persists in these areas we will see a huge wave of extinction in the next two decades." noted Dr. Joshua Ginsberg, director of WCS's Asia and A...

Stanford scientist seeks participants in NASA hypergravity study

...ll be collected and analyzed at a later date. NASA warns that in addition to motion sickness, participants ... to pool in your gut and your lower limbs,`` Cohen warns each candidate. ``When the force is sufficiently strong, it will overcome the ability of your heart ...

Rainforests harvest the skies

...eared and the water can evaporate. Dr Reddell also warns of the consequences for water security in the event of global warming: if the cloud banks which currently contribute water to the forest via cloud stripping rise in altitude - as they are forecast to do - there could be a major loss in water gatherin...

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