Climate change plus human pressure caused large mammal extinctions in late Pleistocene
...gical, climatic, ecological and simulation studies shows that these extinctions happened around the world. ...sitzkrieg" after the term for a "sitting" war that shows slow or no progress, is that humans caused extinction through long-term habitat alteration. Barnosky...Researchers determine genetic cause of Timothy syndrome
...a form of severe cardiac arrhythmia. The research shows that children who have the syndrome develop spontaneous genetic mutations that interfere with calcium channels that regulate the excitation and contraction of the heart. In defining the precise nature of the molecular abnormality, however, the resear...Pack-MULEs are toting a new look at plant evolution
...o examine the whole genome sequence of rice. "This shows the power of collaboration," Jiang said. They've found that indeed the Pack-MULEs are numerous. They appear to copy themselves prolifically some 3,000 times throughout the sequence, carrying various types of genes. And not only do they copy, but th...Tracing genes, biologists show lizard migration is traced to Florida
...y biologists at Washington University in St. Louis shows that Florida is an exporter of more than just fruit and star athletes. Studying genetic variation in the common brown lizard, Anolis sagrei, the researchers found that introduced populations of the lizard in five different countries can be traced b...Fortifying food with folic acid benefits babies
..., published today in BMC Pregnancy and Childbirth, shows that the proportion of babies born with neural tube defects in the province of Newfoundland and Labrador dropped by 78% after the Canadian Government directed that folic acid must be added to flour, cornmeal and pasta. The study supports the continua...Groundbreaking research could ignite new solutions to heat transfer in nano-devices
...water from a nonpolar liquid phase. Their research shows that the surfactant layer must be analyzed in terms of its vibrational couplings, rather than by ordinary heat conduction. Their research provided the first detail of the precise pathways for interfacial vibrational energy in both time and space reso...New signs of life found at the Poles
...and light to penetrate beneath the surface. "This shows us that places we may think of as extreme for example other planets like Mars could nurture surprising habitats for life. The Poles are not the barren wilderness, devoid of life as we previously thought"....Scientists find nanowires capable of detecting individual viruses
... Harvard's Faculty of Arts and Sciences. "Our work shows that nanoscale silicon wires can be configured as ultra-sensitive detectors that turn on or off in the presence of a single virus. The capabilities of nanowire detectors, which could be fashioned into arrays capable of detecting literally thousands o...16th EORTC NCI AACR Symposium 'Molecular Targets and Cancer Therapeutics'
...akers and topics: * Dr. Jacqueline Limpens: Study shows lycopene and vitamin E inhibits growth of prostate...essor Eric Van Cutsem: International trial results shows way to measure success of centuximab (Erbitux). Randomised study now under way Chairman: Professor J...Experimental drug shown to block mutant protein causing blood disease
...ory University, and Novartis Pharma AG. "The study shows the potential utility of drugs that block mutant tyrosine kinases, and that these drugs are opening more doors to treating cancers," explains Stone. Tyrosine kinases are molecules that act as biological switches inside cells, regulating processes inc...New sign language suggests children create language's fundamentals through learning
...to Senghas and her colleagues, the Nicaraguan case shows that it is. Senghas' coauthors are Sotaro Kita of the University of Bristol in Bristol, England and Asl zyrek of Nijmegen University and Max Planck Institute for Psycholinguistics in Nijmegen, The Netherlands and of Ko University in Istanbul, Turkey....Folic acid vitamin use by women reaches all-time high, March of Dimes survey finds
...abies. A comparison of the eight previous surveys shows that 12 percent of women know that, to be effective, folic acid must be consumed before pregnancy -- up from only 2 percent in 1995. Those who know that folic acid helps prevent birth defects increased to 24 percent in 2004, up from only 4 percent i...JCI table of contents September 15, 2004
... to be involved in this type of disease. This work shows how combining a series of analyses, including genetic, biochemical, microarray, and bioinformatics techniques provide a rapid and effective means to pinpoint mutations in diseases that have complex genetic backgrounds. An accompanying commentary by E...Venn diagram tactics to vet complex disease
... to be involved in this type of disease. This work shows how combining a series of analyses, including genetic, biochemical, microarray, and bioinformatics techniques provide a rapid and effective means to pinpoint mutations in diseases that have complex genetic backgrounds....European common frog found to use novel mating strategy
...s, genetic analysis of the eggs in a single clutch shows fertilization by as many as four separate males, including the male that actually had embraced the female. "This is the first example of such a complex mating behavior in amphibians undergoing external fertilization," Vieites said. "Because of a popu...A liking for sweets, combined with novelty seeking, may predict alcoholism
...ient by itself to predict alcoholism. New research shows that the combination of sweet liking and novelty seeking may predict alcoholism. Previous research, both animal and human, has shown a relationship between a pleasurable response to sweet taste (sweet liking) and a genetic vulnerability to alcoholis...Genetically modified bacterium as remedy for intestinal diseases
...anti-inflammatory agent IL-10. The IL-10 bacterium shows great promise in the battle against chronic inflammations and is now being tested on patients. Klaas Vandenbroucke and his VIB colleagues, under the direction of Pieter Rottiers and Erik Remaut, took the earlier research further and placed the mouse...Sugar-coated sea urchin eggs could have sweet implications for human fertility
...versity of Washington's Friday Harbor Laboratories shows that common assumptions about sea urchin reproduction don't hold true for all species of the invertebrate creature. The work could lead to better understanding of fertilization among mammals, including the potential to solve some baffling human repro...Images of 'tail' of protein needed for cell multiplication suggest anticancer drug targets
...ned multiplication of cancer cells. The study also shows that a slight change in a structure common among m...enior author of the NSMB report. The current study shows that the tail of E2 plays a crucial role in a series of hand-offs in which NEDD8 passes from one enz...Researchers report new gene test for isolated cleft lip and palate
...f the New England Journal of Medicine. "This study shows that we've reached a point where it's possible to take blood samples from parents, test certain genes, and determine whether their risk for a second child with cleft lip or palate is, say, 1 percent or 20 percent," said Jeffrey Murray, M.D., a scient...