Improved medical treatment of serious heart problems focus of UH-led group
...ucts could not have been obtained just a few years ago because many of the techniques used in the study rely on the most up-to-date bioengineering technology and on mathematical techniques that have only recently been developed. Detailed descriptions of the problems and their solutions will be presente...New X-ray sources speed protein crystallography
SEATTLE -- Thirty years ago the determination of a protein structure required years of effort and typically was sufficient for a Ph.D. thesis. Today, due to advances in synchrotron X-ray sources and detectors, protein crystal structures can be calculated in just hours, "enablin...Athletics, genetic enhancement and ethics
...that of performance-enhancing drugs 30 or 40 years ago a time when detection techniques and regulatory mechanisms were not in place....Molecular mechanisms that trigger flowering in spring
...g them to measure day length was proposed 80 years ago and was initially controversial, but now the mechanisms by which plants measure time are being explained by the isolation of genes and proteins that play central roles in this process. In the recent issue of Science ( Science ,13th February 2004) a...Copper may play role in 'starving' cancer to standstill
...formation of new blood cells, began about 40 years ago but only since the 1980s have been recognized in medical research. Folkman first launched the idea that if a tumor is to grow, it must have its own blood supply, Harris said. "For one increment of tumor growth, Folkman said, there also must be one i...Penguin bones from 'land of fire' rewrite bird's evolution
...e epoch of Earth's history about 40 million years ago sometimes called the "early age of mammals." Foun...d the travels of these birds some 40 million years ago on a very different planet Earth."...New hereditary cancer mutation found -- arrived with a German immigrant almost three centuries ago
...ought to the United States at least 13 generations ago by a German immigrant, and it may be responsible for a sizeable portion of certain hereditary cancers in Americans. People with this mutation are at high risk for developing cancer of the colon, endometrium and ovaries. The condition is known as her...Making of mouse marks move toward 'mitochondrial medicine'
...e, who was attracted to the university three years ago by a thriving community of researchers focusing on genetic engineering and mitochondrial biology. "It's important to work this out, if we are to develop models of disease that will allow us to create new strategies and therapies for patients with inc...Kidney injury's harmful effects on bones blocked in mice
...ensate for ABD, which first emerged about 15 years ago when scientists began using drugs to suppress parathyroid hormone levels in kidney patients. Secondary hyperparathyroidism and ABD occur both in patients who lose their kidneys to disease and in those who suffer a sufficiently damaging kidney injury....Astronomers unravel a mystery of the Dark Ages
...f crop failures and summer frosts some 1,500 years ago a comet colliding with Earth. The team has been studying evidence from tree rings, which suggests that the Earth underwent a series of very cold summers around 536-540 AD, indicating an effect rather like a nuclear winter. The scientists in the Scho...Monkey talk, human speech share left-brain processing
... evolved," said Poremba, who left NIMH a few years ago and is now at the University of Iowa....'Elves' makes protein crystallography easier
...nutes away from solving it, whereas a couple years ago it took about a year." At the ALS, about one hour is required to collect X-ray diffraction data for a single crystal. Elves is based on a new kind of computer interface called the conversational user interface (CUI), invented by Holton. The in...Earliest evidence of humans affecting aquatic ecology in Canada, United States
...ms through their hunting practices eight centuries ago a legacy that is still evident today. The principal investigator on the team, U of T Geology Professor Marianne Douglas, is currently in Antarctica using the same kind of detection techniques to study climate change there. "Our findings are an examp...New advance to combat antibiotic-resistant pneumonia and malaria
... infinitely further along than we were three years ago in terms of understanding the basis for resistance in these organisms," said Trumpower. The co-authors of the study are Dr. Steven Meshnick from the University of North Carolina and Dr. Brigitte Meunier from the Wolfson Institute for Biomedical Res...Stanford launches public lecture series on genomic medicine
...tructure of DNA, 'the blueprint of life,' 50 years ago by James Watson and Francis Crick; the Human Genome Project; the sequencing of human DNA; predispositions to disease and so on, but what does the public get from it?" Heller encourages members of the general public to attend the lecture series, which...If airbags work well, then Mars landing sites can be chosen more boldly, says UB geologist
...rs attending a conference presentation a few years ago by Matt P. Golombek, Ph.D., planetary geologist at the Jet Propulsion Laboratory and, at the time, the principal investigator on the Mars Pathfinder mission, in which he proposed the airbag landing technology. "He listed the 15 steps that had to hap...Researchers show evolutionary theory adds up
...ndable, and consistent way about 3.2 billion years ago to form all subsequent multicellular organisms, Antonelli explained. Another theory, put forward by Dr. Carl Woese of the University of Illinois, proposes multicellular organisms developed from many different bacteria interacting in many different w...UF study suggests life on Earth sprang from borax minerals
...nd in a bacterium that lived several billion years ago and resurrected the ancient protein. By studying it in the laboratory, the group inferred the ancient bacteria lived in a hot spring at about 150 degrees Fahrenheit. With the prebiotic experiments, Benner said, "we are working forward in time, from...Scientist challenges interpretation of new find, the oldest primate fossil ever discovered
...es between Asia and Europe around 55 million years ago would not have been possible due to a transcontinental marine barrier that ran from north to south down the middle of Eurasia at the time. Now, the presence of closely related Teilhardina species in China and Belgium adds to mounting evidence that pr......old Bright initiated the green project three years ago when he learned that chemists at the Navy Surface Warfare Center in Indian Head, Md., couldn't afford adequate supplies of chemically-produced butanetriol. To fill the gap they use nitroglycerin, which is less expensive but more sensitive to physical...