Fossil Evidence Of Worms Over One Billion Years Old Reported In Science
...per that the existence of worm-like animalsso much earlier than the Cambrian period would suggest that "animal body planschanged very little before the explosive emergence of new designs in thePrecambrian/Cambrian transition and the onset of an arms-race style of Darwinianevolution." A news conference will ...New "Gene Map" Doubles Number Of Genes
...acy has been improved by 2-3 times compared to the earlier version of the map, released in October of 1996. The map provides an important scientific infrastructure for understanding how genes interact with one other to maintain normal health and how defects in those genes can lead to common illnesses such ...Genetically Speaking, Race Doesn't Exist In Humans
...esn't requirespreading out and killing off all the earlier people. They're spread byreproducing with people -- it's make love, not war." Sussman says one of his motivations in devoting his first issue of AmericanAnthropologist to race was to show the relevance of anthropology both in theacademic world and i...Fewer Songbirds May Be Result Of Forest Fragmentation Across The American South, New Study Suggests
...dsat Ft. McClellan that had been the subject of an earlier point-count census ofneotropical migrant songbirds during the breeding season. In a small area cleaned of leaf litter, the scientists constructedartificial nests that contained two fresh Northern Bobwhite eggs and two clayeggs. Nests were con...Stress Hormone Levels Predict Length Of Gestation In Human Pregnancy
...er CRH levels at 28 to 30weeks gestation delivered earlier and were more likely to deliver preterm," saidPath... the placental CRH system may, therefore,result in earlier onset of spontaneous labor and delivery. Second, placentalCRH also may be a marker of medical risk ...North America Absorbing Carbon Dioxide At Surprisingly High Rate, Team Reports
...during the period studied, 1988 to1992, confirming earlier studies. "We know that we who reside in the United States emit about 6.2 billiontons of carbon dioxide into the atmosphere each year," said Taro Takahashi,Doherty Senior Research Scientist, associate director of Lamont-Doherty,Columbia's eart...UNC-CH 'Groucho' Research Offers Insights Into How Embryo, Cancer Cells Communicate
...a light switch," Peifer said. "We already knewfrom earlier studies that we and others have done that Tcf proteins, when actingwith another molecule called 'Armadillo,' turn genes on. Our hypothesis is thatsomething very similar is happening in cancer where beta-catenin, the humanversion of Armadillo,. works ...Glenn To Perform Purdue Soybean Experiment In Space
... years worth of research in six months to meet the earlier deadline," says Vierling, who was amazed to find his experiment was moved up in such a short period of time. "I didn't know the federal government could move that fast," Vierling says. "It really put me under the gun. I had planned on about 18 to 20 ...USGS Issues Wildlife Health Alert: Associates Virus With Salamander Die-Offs
...h alert. The incident followed salamander die-offs earlier this summer in Maine and North Dakota. In all thre...ound a virus in dead tiger and spotted salamanders earlier this year from Maine and North Dakota. Until these viruses are identified and characterized, Dochert...DOE Joint Human Genome Effort Exceeds Sequencing Goal
...d more accuratediagnostic tests will make possible earlier treatments. Insights into geneticsusceptibilities to disease and to environmental damage, coupled with highlytargeted pharmaceuticals, may soon help to attack diseases at their molecularfoundations. The DOE, with a long-abiding mission to understa...Inbreeding Natural Among Trees But Not Without Costs, University Of Georgia Forestry Research Shows
...ia McIntire-Stennis funds. Findings were published earlier this yearin the journal Theoretical and Applied Genetics. "Death is one of the most common results of inbreeding," said BruceBongarten, a forest geneticist in UGA's Warnell School of Forest Resources. "Inselectively breeding trees, the idea ...Hopkins Study Shows Brain Damage Evidence In "Ecstasy" Users
...ad long suspected MDMA was dangerous, based on our earlier studiesin primates that showed nerve damage at doses similar to those taken byrecreational drug users," says neurologist George Ricaurte, M.D., Ph.D., who ledthe research team. Additional studies by the team examined drug users' spinalfluid for level...Hopkins Researchers Find Genetic Colon Cancer Change In Healthy Cells
... And those same patients got coloncancer 14 years earlier than the others, on average. "We don't yet know if LOI is causal for cancer," says Feinberg. Knowingthat, he says, would be especially useful because, unlike conventionalmutations, LOI is potentially reversible. Imprinting was first ...Aluminium Study Puts Drinking Water In The Clear
... established. However some conflictingevidence in earlier studies suggested that aluminium that is left in treateddrinking water may be more readily taken up by the body than aluminium fromother sources. "Aluminium is the Earth's third most common element and occurs naturally in foodand water. Most of the a...Results Of Poisoning Visible In Urine
...chemotherapy in cancer patients,and to do so at an earlier stage. The research was funded by the NWO's Techno...entrations of these substances in theurine give an earlier indication of the damage caused by the free radicals than can be done using other techniques. The t...Mouse Study Trumpets New Way To Preserve Species
...llnesses or medical conditions. "Based on the earlier studies that showed ovarian tissue could be used to produce offspring in animals, some clinics have begun using cryopreservation methods to store human ovarian tissue, usually when a young woman is about to undergo radiation or chemotherapy for cance...Drug Combination May Prove Effective To Prevent Recurrence Of Hepatitis C After Transplantation
...r stopping the drug treatment. Dr.Dodson suggests earlier treatment, before significant liver damage has occurred, may be more effective. CONTACT: Lisa Rossi 412-647-3555 The scientific meeting will also include a day-long series of debates on"Clinical and Administrative Controversies in L...Hopkins Research Team Cultures Long-Awaited Human Embryonic Stem Cells
...,Ph.D., a researcher on the project. "We built on earlier mouse studies, tryingto do just enough to let the cells develop without going too far and becomingspecialized." Under the right conditions, PGCs develop into a tightly knit cluster oftrue stem cells. These "pluripotent stem cells," as they'r...Common Blood Pressure Drug May Promote Healthy Cells
...sticated measurements," Johnson said. In an earlier study, Johnson looked at the effects of these two drugsand a third drug, terazosin, on live rats during a 12-week period. He found thatin most cases, the medications stimulated the antioxidant enzymes thatneutralize free radicals. But in a few cases,......ing erect. In fact, the new work supports earlier research by other scientists thatsuggests alligators evolved in the opposite direction on the evolutionary chart,moving from an upright walk to the semi-erect type of locomotion scientists seetoday. "The path of evolution usually goes from ...