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Tag: "highest" at biology news

Study supports 'urgent' need for worldwide ban on lead-based paint

... of paint samples were above U.S. regulations, the highest being six times the U.S. limit. Clark says he is concerned about children who are currently exposed to lead in their houses and neighborhoods--and for those who will live in such places in the future. "Lead-based paints have already poisoned mi...

Even a little cooling helps after cardiac arrest

...es in that they cause negligible disease for their highest trophic level hosts, usually birds. The worms' lifecycle thus typically begins in a snail and ends in a bird, with the intermediate host animals being primary variables among worm species. Intrigued by the prospects of developing a new tool for moni...

How healthy is that marsh? Biologists count parasites

...es in that they cause negligible disease for their highest trophic level hosts, usually birds. The worms' lifecycle thus typically begins in a snail and ends in a bird, with the intermediate host animals being primary variables among worm species. Intrigued by the prospects of developing a new tool for moni...

Pollution threatens coral health by preventing lesions from healing, UCF study shows

...emicals and fuel oils. The total tissue loss was highest near the City of Hollywood wastewater outfall and was moderately high at the Port Everglades and Hillsborough Inlet stations. Coral in those areas also regenerated either at an extremely slow rate or not at all, indicating that conditions there were ...

Novel therapy combinations gain ground in treating hepatitis

...pitalization occurred in three patients taking the highest dose (800 mg), forcing the research team to halt the use of that dose and continue using only the lower doses of 200 to 400 mg of the drug. "For patients whose disease has not responded to current therapies, this new combination treatment may produc...

NHGRI announces latest sequencing targets

...s and treatment. Projects given the highest priority will use large-scale sequencing over the next few years to identify the genes responsible for dozens of relatively rare, single-gene (autosomal Mendelian) diseases; sequence all of the genes on the X chromosome from affected individuals to i...

Global study shows all tobacco bad for the heart

...rs. The findings suggest that individuals with the highest levels of exposure to second hand smoke of 22 hours or more per week may increase their risk of heart attack by around 45%. "Chewing tobacco also increased the risk of a heart attack two fold, indicating that all forms of tobacco use or exposure ar...

Can biological traits predict diversification rates in birds?

...tes and very general feeding patterns also had the highest species diversification rates. ...

New tiger report release: Tiger habitat down from just a decade ago

...d remaining tigers, increased protection of the 20 highest priority tiger conservation landscapes is required. The group also stands ready to support the 13 countries with tigers in a regional effort to save the species. The report's authors suggest that the heads of state of those countries convene a "tiger...

Elephants, large mammals recover from poaching in Africa's oldest national park

...t species rich park in Africa. It once boasted the highest density of large mammals in the world before a wave of unrest and poaching descended upon the region. Since the 1960s, the park's populations of elephants, hippos, and buffalos have declined dramatically, with the heaviest levels of poaching occurrin...

Five surprising facts about starvation that could change the international agenda

...asting. Gross and Webb analyzed countries with the highest child mortality rates and child wasting rates. Based on their assessment of the data, the authors present five surprising facts about severe children malnutrition and argue that such conditions must be resolved in non-emergency settings to prevent fu...

High-dose flu vaccines appear to safely boost immunity in elderly

...2.4) in 2002. The 60-ìg level was selected as the highest dosage because manufacturers would reasonably be able to produce that type of vaccine. Participants were randomly assigned to receive one of the three vaccines or a placebo injection and then were monitored daily for one week afterward. They were a...

UCLA scientists strengthen case for life more than 3.8 billion years ago

...d. "We find life beneath the deepest ocean, on the highest mountain, in the driest desert and the coldest glacier, and deep down in the crustal rocks and sediments." An unanswered question is how life originally could have arisen from lifeless molecules and evolved into the already sophisticated isotope fr...

High estrogen levels associated with dementia in older men

...lowest tertile of estradiol, men in the middle and highest tertile had .24 and .28 points lower CASI scores, respectively, for each year increase in age. The researchers hypothesize that the estradiol association could be explained by increased aromatase activity in the brain which may be associated with a...

Healthy coral reefs of Madagascar resisting damage from climate change

...ssment Program (RAP) expeditions also recorded the highest coral diversity of the western Indian Ocean and the Red Sea, making the region one of the richest in Indian Ocean marine biodiversity. The latest results provide further information on the unique marine biodiversity of Madagascar for President Marc ...

Microbes hitchhike across Atlantic on desert dust

... 24 of 40 sampling days. The three days where the highest populations were collected corresponded with the two highest periods of dust activity as determined by the U.S. Navy's Naval Aerosol Analysis and Prediction Syst...

New HIV study identifies high-risk subgroups of adolescents

...f high-risk teens, researchers found that those at highest risk for the disease (those who engaged in the mos...d Providence. They found that the group of boys at highest risk for HIV (i.e., practiced the most unprotected sex) also had more mental health problems, such a...

Mushrooms as good an antioxidant source as more colorful veggies

...ortabella mushrooms and crimini mushrooms have the highest ORAC values. Criminis, which are brown, are otherw...You don't have to eat only the vegetables with the highest anti-oxidant capacity to benefit. If you eat a variety of mushrooms along with a variety of other ve...

Chemical in many air fresheners may reduce lung function

...od concentration levels. African Americans had the highest exposure levels and non-Hispanic whites the lowest...ed expiratory volume in 1(FEV1) second between the highest and lowest levels of exposure. FEV1 is a commonly used index for assessing airway function and obstr...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

...iginal and outstanding. It is the Society's second highest award. A medical doctor who also earned a Ph.D. in neurology and neurosurgery, von Andrian was originally interested in microvascular integrity in the brain. But during a fellowship early in his career, he discovered his interest in the immune syste...

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