New fossils may be first human ancestors out of Africa, say Science authors
...te. Despite the ready availability of raw material suitable for making Acheulean tools, the authors say, all of the Dmanisi artifacts are of a pre-Acheulean type that appeared in Africa as early as 2.4 million years ago. If superior technology didn't lead the way out of Africa, as the Dmanisi evidence sugge...Ultrasensitive method for the diagnosis of prion diseases (Creutzfeldt-Jakob disease and BSE)
...ion protein accumulation in brain tissue, however, suitable clinical tests for the detection of prions in living patients or animals have not been available. A novel diagnostic technique now exists that permits direct detection of prions in the cerebrospinal fluid, which is easily accessible for diagnostic p...CWRU to host regional NAE biomedical conference
... diagnose diseases and find new medicines, and are suitable for genetic applications. Thomas J. Meade, a faculty member in the division of biology at the Beckman Institute of the California Institute of Technology, will outline advances in biomedical imaging technologies. Meade has specialized in developing...New fertility technique to help women have own genetic baby from donor egg
... mammalian eggs, involve electrofusion and are not suitable for human eggs because the eggs are almost always activated by the process. In the experiments reported today on human eggs, the researchers have successfully transferred nuclei by two methods -- one using a chemical, the other using a deceptively ...... methods that are safe, effective, acceptable, and suitable for use in the United States and developing countries. The gel also recently passed an FDA-recommended test as virtually nonirritating -- not a surprise to the researchers since the chemical structure is a betaine surfactant, similar to that found i......quantifiable higher function. This makes the birds suitable for studying a big open question of research aimed at future repair of brain function, namely whether newly incorporated neurons can function in an existing complex circuitry and contribute to behavior....Chinese 'dragon' nears extinction, biologists warn
... wild Chinese alligators can be restored if enough suitable habitat is set aside for the species. One plan th...lligators in captivity and reintroducing them into suitable areas. Some 5,000 Chinese alligators currently exist in captivity in China. "Most crocodilians are......infections. 2 "Any critically ill patient suitable for enteral feeding may potentially benefit from immune-enhancing enteral feeds," said Richard Beale, M.D., of the Department of Intensive Care, Guy's and St Thomas' Hospital Trust, London, UK, and co-author of the study. "Our systematic analysis fu...... need has prompted research into developing a more suitable model for studying human disease inmonkeys. Researchers at OHSU were able to insert DNA material into the monkey eggs by attaching foreigngenes to the outside of monkey sperm. The scientists inserted DNA from jellyfish that encodes a genefor a glowi...Laser light from Free-Electron Laser used for first time in human surgery
...tions. Jansen found that fiberoptic cables are not suitable for this use-they would melt ifexposed to the peak power levels of the FEL beam. So he took advantage of hollow glass tubes calledwaveguides, developed by James Harrington of Rutgers University, to do the job. The waveguides aresmall, lightweight and......atal population, it's at great risk of not finding suitable adult habitat at the end of the larval phase. If you leave an isolated environment like an island, what's the likelihood that you will encounter another coral reef habitat?" Swearer used the fish earstone with its daily growth rings as a "flight ...UroGenesys researchers discover new target antigen for prostate cancers
...urface of prostate cancer cells makes the molecule suitable for a wide varietyof therapeutic approaches, including antibodies, small molecules and vaccines." "STEAP is the first antigen to emerge from UroGenesys' in-house discovery program," said Donald B.Rice, Ph.D., President and Chief Executive Officer of...Fall Meeting: updated press conferences and special events
...day, 7:30 PM, Room 134 Moscone. [Note: Especially suitable for radio or TV coverage.] Musicians and seismologists have much in common: musicians create waves to make beautiful music, while seismologists study waves to analyze the Earth. When musicians are also seismologists, they can explain both music and ...Another small cog in the 'hub' of metabolism unraveled
...nitially, one has to find conditions for obtaining suitable crystals of the respective protein. Then the techn...he University in Frankfurt, Germany, have obtained suitable crystals of this enzyme from the anaerobic bacterium Wolinella succinogenes. This has allowed them t...Another component of the blood clotting machinery unraveled
...("closed form") or disclose ("open form") a cavity suitable for accommodation of a negatively charged phospholipid head group. The researchers propose that interaction with a few phospholipid head groups in the "closed form" promotes conformational changes leading to the unfolding of the loops and the exposur...1999 Fall Meeting: Press conferences and special events
...day (7:30 PM, Room 134 Moscone). [Note: Especially suitable for radio or TV coverage.] Musicians and seismologists have much in common: musicians create waves to make beautiful music, while seismologists study waves to analyze the Earth. When musicians are also seismologists, they can explain both music and e...News from the zebrafish cousin of the human genome: A radiation hybrid map of the zebrafish genome
... markers on the map includegenetic markers (SSLPs) suitable for mapping mutations, developmental controlgenes known from other organisms, and partially sequenced random genes (ESTs).Even though only a tiny fraction of the zebrafish genes have been mapped,researchers could already match three mutations with ca...On the floor of the sea: USGS biologists search for rare, white abalone
... have a betterunderstanding of the distribution of suitable white abalone habitat for futurerestoration efforts," said abalone researcher Pete Haaker of CaliforniaDepartment of Fish and Game. If surveys confirm the mounting evidence that white abalone are indeed rare, thescientists will use two strategies to...Fluorescent signaling by immune cells
...equivocal identification of the respectivecells. A suitable technique which allows such an identification now has been developedby scientists from the Max Planck Institute for Neurobiology inMartinsried/Munich. They infected a certain immune cell type, namely CD4+ Tlymphocyte, with a recombinant retrovirus in......aching heightsof tens of meters. "If we can find a suitable pingo, I hope to obtain samples of the interior ice.What kind of microorganisms are in there? Are there rocks that get trapped andform cryoconite holes?" Cryoconite holes can be temporary glacial micro-Edens.Cryoconite holes occur in glacial ice when...