Tag: "years" at biology news
Study begins to reveal clues to the cause and progression of sepsis
...s similar to what this country experienced over 50 years
ago with heart disease and stroke we knew that too many people were dying of cardiovascular disease, but we didnt know enough about the disease to effectively treat and prevent it, said Derek C. Angus, M.D., M.P.H., professor and vice chair of resea...
Multinational research: protecting ecology means understanding people, too
...ist who has traveled through Latin America for 20 years
studying reptiles, and Dr. Amanda Stronza, a cultural anthropologist who has for 15 years
studied ecotourism and indigenous peoples in the Amazon. Fitzgerald and Stronza now will lead 20 ot...
Unravelling new complexity in the genome
...y Hughes (Banting and Best, CCBR), developed a few years
ago. This tool, which comprises tailored designed microarrays or gene chips and computer algorithms, allows the simultaneous measurement of thousands of alternative splicing events in cells and tissues. Until recently researchers studied splicing reg...
X-ray images help explain limits to insect body size
...ht on why the giant insects that lived millions of years
ago disappeared. In the late Paleozoic Era, with atmospheric oxygen levels reaching record highs, some insects evolved into giants. When oxygen levels returned to lower levels, the insect giants went extinct. The basis of this gigantism is though...
New, more direct pathways from outside the cell-to-cell nuclei discovered
...esulted from an observation made by Gavin about 10 years
ago while simply watching cells through a microscope. "I am a patient and constant observer of living things," he says. "And I watch them all the time with no agenda in mind. Some people are window gazers. They stand in front of the window and just l...
ESF EURYI award winner aims to stop cancer cells reading their own DNA
...g Dutch researcher Dr. Nynke Dekker in one of this years
EURYI award winning projects sponsored by the European Science Foundation (ESF) and the European Heads of Research Councils (EuroHORCS). Dekker and her team are trying to stop tumor development by interfering with the molecular motors that copy DNA ...
Rain forest protection works in Peru
...ology led an international effort to analyze seven years
of high-resolution satellite data covering most (7...arge-scale rain forest damage in check between the years
1999 and 2005. However, the research also showed an increase in forest disturbance over the last cou...
Proteaceae spread by continental drift and transoceanic dispersal
...he super-continent Gondwanaland almost 120 million years
ago. As Gondwanaland broke up, it was originally t... work enthuses this study is the culmination of 11 years
of work. I generated much of the data while working with Peter Weston at the Royal Botanic Gardens i...
European Science Foundation's Forward Look reaches out beyond the endless frontiers
...ean levels. A Forward Look requires up to three years
until its final report is published. The document usually is complemented by a ESF Science Policy Briefing event in which the most important stakeholders and representatives from policy-making bodies will participate. Impact This strenuous but...
An early ape shows its hand
...case with an ape that lived more than nine million years
ago. A study published in the latest journal issue of Proceedings of the Royal Society B: Biological Sciences reports on the structure of the hand of Hispanopithecus, a critically important fossil from an ape that lived during the late Miocene of ...
Smithsonian scientists show differing patterns of rainforest biodiversity
.... Researchers collected data for more than three years
and built on data from a decade of fieldwork in New Guinea. A key to the projects success has been local researchers. We have a group of Papua New Guinean scientists and parataxonomists working with us who are basically on the ground all the time and...
Acute sleep deprivation leads to changes in nighttime urine production for men and women
... healthy volunteers (ten males; ten females; 19-35 years
of age) underwent two 24-hour circadian in-patient studies under standardized conditions for diet and fluid intake. Participants were sleep deprived during one of the two sessions in a randomized sequence. Their blood pressure and heart rate were rec...
Carnegie Mellon's Peter Adams receives EPA research grant
...e will build integrated models over the next three years
that simulate air pollution from local to global s...ngthened in September after scientists, armed with years
of studies showing that these particles can damage the lungs and heart, advised the EPA that the pre...
Satellite tracking reveals threats to Borneo pygmy elephants
...ephants were darted and outfitted with collars two years
ago by the Sabah Wildlife Department with WWF assistance, after tracking the elephants on foot through the dense jungle was found too difficult over long periods. The collars sent GPS locations to a WWF computer via satellite as often as once a day....
Sugar and spice and everything nice: Health differences in newborn girls and boys
...de study in the US has found that females under 20 years
of age are at a 31 percent greater risk of in-hospital death following heart surgery. As studies have ruled out gender-differences based on access to and utilization of services, the Canadian team has explored a biological basis for the differences. ...
What we can learn from the biggest extinction in the history of Earth
Approximately 250 million years
ago, vast numbers of species disappeared from Eart...an-Triassic extinction and the following 4 million years
of instability in the global carbon cycle. In the July issue of the Geological Society of America Bu...
Innovative tagging technique may help researchers better protect fish stocks
...orrold and colleagues more than $480,000 for three years
to study the population dynamics of grouper and snapper in the waters around the Great Barrier Reef and Papua New Guinea. Through a new technique known as TRAnsgenerational Isotope Labeling (TRAIL), the researchers will introduce an artificial taga...
Ecologists work to link kids with nature
...his book that children growing up over the last 20 years
have increasingly limited experience of the outdoors, which is contributing to decreased understanding and appreciation of the environment on which humanity depends. National statistics show that visits to national and state parks have fallen off by...
Experiment suggests limitations to carbon dioxide 'tree banking'
SAN JOSE, CALIF. -- While 10 years
of bathing North Carolina pine tree stands with extra carbon dioxide did allow the trees to grow more tissue, only those pines receiving the most water and nutrients were able to store significant amounts of carbon that could offset the effects of gl...
Secret life of elephant seals not secret anymore!
...gy expended would mean less energy for breeding in years
of low food abundance, he said. Studies suggest that the amount of sea ice declined during the 1950s to 1970s off east Antarctica; since the Indian and Pacific seals prefer to feed in the sea ice zone, the decline in sea ice may have contributed to...
1 2 3 4 5 6 7 8 9 10