Bronfenbrenner book sums up human development
... culminating work and statement that he hopes will shape the future of his field. Bronfenbrenner, the Jacob Gould Schurman Professor Emeritus of Human Development and of Psychology at Cornell, is a co-founder of the federal Head Start program and is widely regarded as one of the world's leading scholars in...Anthrax enzyme images reveal secrets of antibiotic resistance, suggest new drug design
...o solve the mystery of how slight mutations in the shape of this protein can make it resistant to the antib... image showed that while this slight change in the shape of a small part of the enzyme made DHPS resistant to sulfa drugs, it did not disrupt the enzyme's ab...DuPont scientist named one of the world's top young innovators by MIT's 'Technology Review' Magazine
...s an elite group whose visions and inventions will shape the future of technology." DuPont Vice President for Global Research and Development Dr. Uma Chowdhry said, "Maria has brought leadership, entrepreneurial spirit and insight into polymer research and development in support of our new venture in photo...Study reveals why eyes in some paintings seem to follow viewers
...earchers to determine how viewers perceived the 3D shape of the depicted object. The researchers repeated this process for six different conditions, including sessions in which they looked straight at the monitor, and others in which they looked at it from an angle. Each researcher repeated these tasks th...Resveratrol synthase uncovered: Cyclization specificity of type III polyketide synthases
...Specificity of cyclization is not regulated by the shape of the active site, as was believed previously, but occurs because of an alternative electronic network, termed the aldol switch, that exists in STS. ......d by cytoskeleton-regulatory molecules in the cell shape changes characteristic of the mesenchymal-epithelial transition represent significant steps toward a clearer comprehension of how cellular reorganizations are achieved during development. And with epithelial-mesenchymal transitions featuring in funda...Images of 'tail' of protein needed for cell multiplication suggest anticancer drug targets
...id. "That's where the E2 tail comes into play. The shape and location of E2's tail make it perfectly suited...il holds E2 onto E1 give this workshop a different shape than the ones in the ubiquitin pathway. The slight modification in shape limits this workshop to wor...Blue marlin in gulf have high mercury levels, A&M study shows
...s a king of sorts highly prized for its beautiful shape and its ferocious fighting ability when hooked. That's the good news. The bad news is that many blue marlin caught in the Gulf of Mexico contain 20 to 30 times the acceptable levels of mercury. Texas A&M University at Galveston researchers Jay Rooke...Israeli scientists reveal the plan of a key cellular machine
...tion to each other. Thus pinning down a definitive shape and structure for the whole complex has been, until now, nearly impossible. The team found a way to cut the RNA connections between the modules without harming the integral short strands of RNA that are essential to the splicing process, so they cou...Study by Israeli scientists provides insight on DNA code
...tion to each other. Thus pinning down a definitive shape and structure for the whole complex has been, until now, nearly impossible. The team found a way to cut the RNA connections between the modules without harming the integral short strands of RNA that are essential to the splicing process, so they cou...Cell's gatekeeper for ammonia revealed in unprecedented detail
...d its likely mode of action. The three-dimensional shape of other cell membrane channels -- those that conduct water and charged molecules called ions -- have been reported over the past six years. In 2000, Stroud's group was the first to discover the structure and mechanisms of the water-conducting channe...Wrapping a memory with an experience, capacity for recollection detected in non-human species
...of bias conditions, generating the ROC curve. The shape of this curve indicated the existence of both an all-or-none threshold component and a continuous-strength component. The curves produced are very similar to those observed in the ROCs of humans, indicating the existence of recollection and familiar...News tips from the Journal of Neuroscience
...e response function without a shift in the time or shape of the response. Thus their results suggest that attention increases the sensitivity of neurons without affecting the temporal characteristics of the response. 3. JNK signaling after ischemia : The JNK signaling pathway mediates Bax activation an...Do genes respond to global warming?
...etic level. Now it appears that climate change can shape genetic diversity. Elizabeth Hadly and colleagues have analyzed three different dynamic processes--environmental change, population response, and gene diversity fluctuations--and report that climate change influences variation in genetic diversity. F...For imitative parrots, wagging tongues may be key to vocalization
...n speech, but evidence that similar mechanisms can shape vocalizations in other species has been difficult to obtain. In humans, speech is produced by a two-component system, consisting of a sound source, e.g., the vibrating vocal folds, and a so-called vocal-tract filter, which is formed by the acoustic r...Heart gene yields insights into evolution, disease risk
...lso should include the evolutionary processes that shape the gene segments that regulate a gene's activity. Thus, in their study, Wray, Rockman and their colleagues explored the evolutionary history of one particular variant in a gene called MMP3. Such variants are called "alleles." The MMP3 gene is one of...Imitative parrots just might tell you it's all in the tongue
...ike humans,also can use their tongues to craft and shape sound. "This is the first direct evidence that parrots are able to use theirlarge tongues to change the acoustic properties of their vocalizations,"said IU Bloomington neurologist Roderick Suthers, who participated inthe research. "The basic idea her...Optimizing protein's 'death domain' halts leukemia in laboratory study
...e called an "alpha helix," which is similar to the shape of a Slinky toy. Amino acids positioned on the sur...turn the isolated amino acid helix to its original shape after its removal from the BH3-containing protein. Drawing on his dual background in chemistry and c......tation to different ecological niches. Today, beak shape is considered "a classical example of evolutionary..., also identified BMP4 as a major mediator of beak shape in a variety of finch species. Together, these two studies are able to point to BMP4 as having a maj......sequence only enough to stabilize or reinforce its shape to improve its pharmacological properties," said Walensky. The researchers used the hydrocarbon stapling strategy to brace the peptide from within. "We substituted non-natural amino acids for natural amino acids in selected positions," he said. "The...