conservative

Researchers reveal the infectious impact of salmon farms on wild salmon

...gh analysis." "We've tried to be very careful and conservative ?but there is potential for a major impact on the survivorship of the migrating salmon," says Lewis. "The next step is to thoroughly investigate the degree of impact on wild populations," adds Krkosek. The authors concur that their findings point t...

Cricket's finicky mating behavior boosts biodiversity

...e Tomorrow?" The Nature article was given the more conservative title of "Rapid Speciation in an Arthropod." "Over time," says Mendelson, "lineages - species that have split - cease to recognize each other as mates. Although the ancestors recognized each other as mates, the descendants no longer do because of ev...

Mutation in clams protects against paralytic shellfish poisoning but raises human health risk

... prevents the cork from sticking. "This is a very conservative mutation in the protein. It was thought that the sodium channel was flexible at this location. We've shown that it is not, that it is rigid," says Connell. That could have implications for medical research, she notes, leading to new drugs for treatme...

HIV drug resistance increasing in UK and among highest in the world

... different definitions of resistance. Using a more conservative definition of resistance (high level resistance to at least one drug) gives an overall estimate of 9% for the UK for the years 1996-2003, with the rate being 12% in 2002-3. The authors say: 'The United Kingdom has among the highest reported rates of...

'Creationism is not science' ?making the case for Darwin at UCL

...nk creationism is a part of a bigger movement to a conservative evangelical Christianity world view -- I don't think we evolutionists have been as responsive as we should have been." But, Professor Ruse is sure that the evolutionists are right - because the scientific evidence is "overwhelming". Professor Ruse s...

Faster immune system testing set to improve poultry quality

...n the test alone but the animal health industry is conservative and companies are hesitant because they have lost considerable market in Asia due to the current outbreak of bird flu. "We had five potential partners originally but the Slovenes were the only one to be approved," explains Dr Ragland. "The Slovenes ...

Relationship of brain and skull more than just packaging

...e rarely obtained the same day. "We are extremely conservative in requiring that the two types of images be taken within a 24-hour period," says Richtsmeier. "Early brain and skull growth are so rapid that if the images were taken weeks apart, they would not be an exact fit." T scans record a three-dimensional ...

Fighting to keep Darwin in the classroom

...d today for European audiences as well, where some conservative and religious leaders have grasped the political power of the tricky ideas of 'intelligent design.' For such a project, education is the main pathway." ...

Red flag for repetitive stress injuries identified for first time in humans

...ct the problem before the damage starts. That way, conservative intervention ?ibuprofen, rest breaks at work, exercise ?can be evaluated as to their effectiveness in preventing the development of chronic work-related conditions and, consequently, the need for more serious measures such as surgery. "If the inj...

Fused nasal bones helped tyrannosaurids dismember prey

...kg person five metres in the air. And that's with conservative estimates of the creature's muscle force, says Snively. "We kept the muscle numbers down because we thought they couldn't possibly be that powerful, but Tyrrell museum colleagues showed that a T. rex's lower jaw could apply 200,000 newtons of force—t...

Arctic ice retreating more quickly than computer models project

...at current model projections may in fact provide a conservative estimate of future Arctic change, and that the summer Arctic sea ice may disappear considerably earlier than IPCC projections," says Stroeve. Thirty years ahead of schedule The study indicates that, because of the disparity between the comput...