Core Spins Faster Than Earth, Scientists Find
...rsity's Lamont-Doherty Earth Observatory havefound that the Earth's inner core is rotating faster than the... in the speed of earthquake-generated seismicwaves that pass through the inner core. Theresearch was conducted by Xiaodong Songand Paul G. Richards,seismo...Florida Researchers Discover Gene For Fatal Childhood Disease
...ts, he said. Meanwhile, researchers discovered that mice with Chediak-Higashisyndrome are protected against some forms of autoimmune disease, especiallythe complications many lupus patients develop. "This discovery has the potential to be a treatment for lupus as itrelates to kidney problems,"...Photosystem I -- An Intermediate Step -- May Not Be Necessary For Plants
..., N.Y. -- Plant biologists have long held the view that photosynthesis -- the process by which cells in gr...according to a new study reported today (July 19), that dogma may have gone for a walk, and scientists may have to rethink some aspects of how photosynthesi...Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...duals within each species. Many scientists suspect that one reason behind the decline of cheetahs is their...f genetic variation--a degree of sameness close to that seen in inbred laboratory mice. Key evidence came from a surprising 1985 experiment in which unrelat......s in current sensor technology. Drivers have found that their sophisticated air management systems are not... atmospheric pollutants. US legislators have found that current car and sensor technology is unable to provide continuous monitoring of the extremely preci...Researchers Find Possible New Route to Making Cancer Cells Vulnerable
...DukeUniversity Medical Center have shown how drugs that stop organ transplantrejection also partially reve... of the Journal of BiologicalChemistry. They found that three drugs given to stop organ transplant rejection-- cyclosporin, FK506, and rapamycin -- also bl...Bee Sting Treatment Should Emphasize Speed, Not Method Of Removal
... removed has no bearing on the amount of bee venom that the stinginjects, according to the scientists. "We have always been told that pinching a bee sting out of the skinwould cause more venom to be injected," said P. Kirk Visscher, a...Protein Glitch May Be Early Problem In Inherited Alzheimer's
...t published in the July issue of Neuron, they show that presenilin normally cleaves in two and that a disease-causing mutation in presenilin can prevent the cleavage. Cleavage is an important cha...Surprising Protein Movement Seen In Cells
Biologists have discovered that certain proteins vital to lifeand long thought to ...rocesses would break down. Scientists had proposed that the proteins are anchored andimmobilized in the organelle, so that they could perform theiressential...Bark Beetle Infestation Spurs Multifaceted Study
...llow salvage harvesting and controlled burning, so that the forests canreturn to a healthy state. "Many ...re they were cut." Because many trees have rings that grow one per year or one per season,tree ring dating -- dendrochronology -- is often used to determi...Virginia Tech Researchers Receive Patent For Rapid Virus Detection Technology
...pid virusdetection technology is based on the fact that many viruses causesusceptible cells to break open ...present. "An advantage of the rapid virustest is that viruses are usually live longer in water samplesthan bacterial cells, thus presence of virus can ind...Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...metry of Ocean Climate (ATOC) underwater speakers that produce a sound some critics fear would harm them,...sts and environmentalist groups expressed concern that ATOC sounds could harm -- or even deafen -- whales and other marine mammals with sensitive hearing....Nitric Oxide May Hold Key To First Treatment For Deadly Form Of Malaria, Duke Scientists Report
DURHAM, N.C. -- In a discovery that defines a new message system insideliving cells, a...d by Duke University Medical Centerreports finding that the chemical nitric oxide is a universal signalingmolecule that can control basic life processes dow......otherlaboratory animals are thought tohave analogs that cause cancer inhumans. This animal research cannow...al Center forBiotechnology -- have devised amethod that is able to overcomeformidable obstacles. In very simple life forms, such asbacteria, genes are writt...Cooking And Salad Oils Could Lubricate Cars, Boats, Machines
...ot just for french fries anymore. Tests have shown that many vegetable-derived cooking and salad oils, suc... but relatively narrow characteristics, Duda notes that one of the group's commercial partners, Renewable Lubricants of Ohio, has also demonstrated ...Salvage Gene Is At The Root Of Many Mutations
... Rochester researchers has unexpectedly discovered that most mutations in yeast are causedby the activity of an enzyme that acts to salvage irreparably damaged DNA. The enzyme, REV1, helps a cell evade its ownstringent quali...Hibernation: The Opposite of Sleep?
...ptember/October issue of The Sciences (p.12), is that it is dead wrong. Instead of blissful slumber, wha...es arctic ground squirrels, groundhog-like rodents that live in the Brooks Range of Alaska, 200 miles north of the ArcticCircle. During hibernation a ground...Genetic Alterations Linked To Cancer In Some Blood Samples
...ciated with large, advanced tumors and with cancer that has spread," says lead author David Sidransky, M.D...nd neck surgery, and oncology. Sidransky cautions that the test does not appear useful as a screening test for cancer. "But it might be helpful in patient...... for nephrotic syndrome, a chronic kidney disorder that often leads to kidney failure. Scientists have not...those amino acids -- building blocks of protein -- that the body can not make. Ketoacids are slightly modified forms of amino acids. The disorder gradually ......ell using electrospray mass spectrometry -- a feat that opens the door to a wide area of basic medical exp...mponents with unusually high confidence, something that is almost impossible with current analytical technologies, the researchers say. The technique could...