Overlapping genetic and archaeological evidence suggests neolithic migration
...iving today suggests a migration - that the people moved - but critics have questioned this view. The lates...appened thousands of years ago because people have moved around too much since then. Many also see genetics as an entirely separate line of investigation fro...Ambitious plan to give sight to the blind
...the University of Southern California, the project moved with him. Teaming with Eli Greenbaum at Oak Ridge, the pair visited a number of national labs. Like Johnny Appleseeds of ideas, they tossed out seeds of thought and ultimately arranged to have each lab work on a different aspect of the electrode arra...A thermodynamic history traces temperature's effect on Universe, Earth and humans
...uld cite the ever-hotter fires humans made as they moved ... from the Stone Age's first fires to charcoal and then to the bellows that produced bronze and iron. Going further, I would reach the steam engine, the nineteenth century's great Bessemer furnaces that made steel, and finally the Nuclear Age. ......Finding sheds new light into mysterious process of cell movement during development
...the biologists determined that the trilobite cells moved much slower and their movements were more random in nature than normal neurons. The results of their various tests suggest that the protein Strabismus/Van Gogh acts independently in mediating neuron movement. If this proves to be the case, then it p...U.Va. researchers identify switching action by protein 'gate-keepers' in cell nucleus
... Signaling. "We call the molecules that are being moved around the cell 'cargo,' and each type of cargo has a Zip code attached that determines the address within the cell to which it must be delivered. We study proteins called 'importins,' which are like trucks that carry the cargo into the center of the...Retroviruses shows that human-specific variety developed when humans, chimps diverged
...r genes." Just how these retroviral elements have moved around in the human genome and possibly changed organisms at the morphological level remains speculative. But there is increasing evidence that they may have been - and may still be - a driving force between evolution at the cellular and organismal l...Muddy Mayan mystery made clearer by researchers working in the bajos
... of Latin America. They also document why the Maya moved to new areas where they created elaborate water storage systems that allowed their civilization to thrive for several more centuries. Dunning, a geographer, and Scarborough, an anthropologist, both in the UC McMicken College of Arts and Sciences, ar......ts reviewers and readers that Science magazine was moved to comment in its review "Few among us can explain the often slightly mysterious physical phenomena so central to the biological world with such clarity and exuberance, and fewer yet leave us chuckling as we go." Indeed, Vogel sprinkles a spice of h...Deformed frogs form when parasites and pesticides combine
...ides than in the ponds that do not. The team then moved into the lab to test their third hypothesis, which is that pesticide exposure--not some other factor--influenced the increased rates of deformities developed by the trematode-infected tadpoles in the field study. These laboratory experiments involve...Deformed frogs form when parasites and pesticides combine
...des than in the ponds that do not. The team then moved into the lab to test their third hypothesis, which is that pesticide exposure--not some other factor--influenced the increased rates of deformities developed by the trematode-infected tadpoles in the field study. These laboratory experiments involve...Scientist detail how brain regulates sensory information
...ition, people require their fingers to be actively moved over surfaces of different roughness at a rate that is optimized by the motor cortex." The other researchers involved in the study, financed by the National Institute of Mental Health and the National Institute of Neurological Disease and Stroke, w...MIT probes cartilage on nanoscale
... tip and "bristled" polymer surface as the tip was moved up and down at a constant rate. "To have a window into how these GAG molecules deform just hasn't been done before in the cartilage field," Grodzinsky said. The results of this first experiment, in addition to new molecular-level theoretical simulati...Harden McConnell named winner of 2002 Welch Award in Chemistry
...of electron spin in free radicals. When McConnell moved to Stanford in 1964, he began to use the methods of physical chemistry to study biological problems,introducing a method called spin labels, in which electron and NMR spectra are used to study the structure and kinetics of proteins and lipids. His w...Falklands penguins forage far enough from home to get into trouble
...uralist, is a native of Lincolnshire, England, who moved to the Falklands more than 40 years ago. He wanted to establish the preserve to protect wildlife and build a research base. "We're not going to stop oil exploration, I'm not that nave," he said. "But we may be able to come up with some strategy or pl...Welch Award honors McConnell for insights into physical chemistry, cell membranes
...electron spin in free radicals. When Dr. McConnell moved to Stanford University in 1964, he began to use th... Calif. He joined the Cal Tech faculty in 1956 and moved to Stanford University in 1964. He has received numerous honors, including the Zaviosky Award in Mag...UCLA scientists image how Parkinsons genes misfire in mice
...gene activity. The patterns of gene expression had moved and were not located in the brain where they should have been. This approach identifies which genes play a role in abnormal brain function and where they are located, said Smith, UCLA assistant professor of molecular and medical pharmacology. We can ...New treatment for difficult-to-treat inflammatory disease
...a different world," says Dr. Gleich, who has since moved to the University of Utah. "The disease is gone as long as the patients continue to take their medication." The only patient who did not respond to the drug had elevated levels of interleukin-5, or IL-5, a protein in the blood that helps promote t...Disorder forces DNA molecules out of tight spaces
...ion and than allowed to recoil. Molecules that had moved entirely into the pillared region did not recoil. ...ecules in living cells. Since molecules that have moved all the way into confinement do not recoil, they say, this method could be used to separate molecule...May media highlights: GEOLOGY and GSA TODAY
... 391-394. Animal life evolved in the sea and then moved onto land. A unit of sandstone in southeastern Ontario, Canada, contains fossilized trackways that provide evidence for a very early step in this process. The sandstone was originally deposited as windblown sand dunes, probably in a seaside dune fi...Massive icebergs may affect Antarctic sea life and food chain
...bergs calve, such as B-15,sea ice is not as easily moved by winds, severely reducingthe area of open water. Phytoplankton are a critical part of the entire ecosystem inthe Ross Sea, since they sustain marine mammals and birds inthe region. During periods where there are no large icebergs,phytoplankton thri...