Extreme stretch-growth of axons
(Philadelphia, PA) Sometimes it is the extremes that point the way forward. Researchers at the University of Pennsylvania School of Medicine have induced nerve fibers or axons to grow at rates and lengths far exceeding what has been previously observed. To mimic extreme examples in nature and le...Washington University in St. Louis plays key role in sequencing moss genome
...eaves, some of its traits, for instance, surviving extremes of dehydration, may be adapted for use in contemporary crops. Unique experimental features include few and simple cell and tissue types, ease in growing and undergoing sophisticated genetic manipulation including the capacity of this organism to in...JGI announces community sequencing program portfolio
...heir primitive traits--like the ability to survive extremes of dehydration--would be useful to incorporate in modern-day crops, especially in less developed countries. By studying the genes that control these traits in the moss, we should be able to identify how these characteristics could be revived in flowe...Plumbing trees' plumbing reveals their engineering skill
...ecause they experience more drying and temperature extremes that cause cavitation. Deeper roots, more protected from such demands, can have larger diameters and thinner walls to maximize the conduit size and enhance water flow. "The data are interesting because they show that the same individual plant can adj...UF researcher: New low-carb potato to debut in January
...am at UF show the tuber can handle Florida weather extremes and is ready to be marketed as a premium, gourmet potato. UF is the first test site in the United States for the European import, which was developed by HZPC, a seed company based in the Netherlands. Available to consumers in January 200...Earth, sky tapped in unique global climate change study
...e native plants must react to rain and temperature extremes along a dusty, winding road under an intricate, watchful plan of three Texas Agricultural Experiment Station scientists. Thick white plastic stretches over 14-foot tall galvanized steel arches like giant, protective umbrellas to shelter 80 plots of ...Parenting ethics panel explores thorny issues posed by technology
... the 'Brave New World' that is associated with the extremes of this technology," she said. "We want our audience to know that we're looking to the future for ways to use the technology in a smart, meaningful and responsible way." A screening of "Bloodlines" will be followed by remarks from Giudice and fellow ...Smallpox in 50-year-old tissues detected by integrated diagnostics approach
...der less-than-ideal storage conditions, exposed to extremes of temperature, and preserved in fixative for decades. Nonetheless, it afforded an unparalleled opportunity to test a modern, integrated diagnostic approach for smallpox. The authors started with routine histology. Tissue samples were processed, em...Weather extremes shed light on prairie's past and environment's future
...he 100 years of scientific curiosity is that these extremes of weather and their frequency or their non-frequency that we have found to be critical factors for the plains are actually very important issues as we face global climate change," said Stanley A. Changnon, a water survey scientist and professor of g...Microbe from depths takes life to hottest known limit
...l deep-sea realm of hydrothermal vents. Heated to extremes by the earth's magma, water there spouts forth through leaks in the ocean floor. The pressure of the immense depths prevents such hot water from turning to steam--even as it sometimes emerges at temperatures near 400 C (750 F). The sample cultured b...160,000-year-old fossilized skulls from Ethiopia are oldest modern humans
...obably that of a male, is slightly larger than the extremes seen in modern Homo sapiens, yet it bears other characteristics within the range of modern humans - in particular, less prominent brow ridges than pre-Homo sapiens and a higher cranial vault. Because of these similarities, the researchers placed the ...Dartmouth Medical School geneticists discover new role for antisense RNA
...ep accurate time by limiting the clock response to extremes in the environment. Likewise other antisense RNAs might be involved in maintaining internal stability in other organisms....Research sheds light on why protein-rich diets aid weight loss
...public debate about diet continues to focus on the extremes of very high (Atkins' Plan) or very low (Ornish Plan) levels of proteins. Layman's plan falls within the protein range recently recommended by the National Academy of Sciences Food and Nutrition Board. The USDA Food Guide Pyramid falls at the low e...K-State researchers study response of prairie ecosystem
...t climate models also predict increases in climate extremes such as more frequent large rainfall events or mor...Kansas," Knapp said. "An increase in precipitation extremes is likely to occur everywhere. The kinds of climate changes that are likely to occur here and elsewh...GSA release 02-55: Dec. Geology & GSA Today media highlights
...ide rocks where they find shelter from temperature extremes and dessication. In Death Valley, a very hot and dry environment, an extensive microbial community exists within the evaporite deposits found on the central playa floor. These endoevaporitic organisms interact with the underlying groundwater from whi...Too many turtles may end up as roadkill
...d migrate seasonally to lay eggs or escape climate extremes such as drought and freezing temperatures. Gibbs and Shriver simulated the movements of three groups of turtles: land turtles, and large and small pond turtles. To estimate the likelihood that turtles would be hit while trying to cross roads, the res...Sea Grant news: Shipworms, ozone, hurricanes
...ues have exposed the material to seawater, weather extremes and mechanical stresses in order to test its durability. Shipworms, also called termites of the sea, are not actually worms, but marine mollusks similar to clams. They have long, worm-like bodies with greatly reduced shells at the end. The floatin...Study by Boston College chemistry team shows critical role of water in protein function
...re stable under adverse conditions such as acidity extremes or high temperature. Their research also offers in...re stable under adverse conditions such as acidity extremes or high temperature. "There are also implications of protein/water mobility for disease. Proteins th...Research season will feature use of sophisticated technologies to map Antarctica
...e early 20th century. Over the past 90 years, the extremes of the polar environment have protected some of the artifacts in the huts from rapid decay, but conservators have become concerned about degradation of these important historical, archaeological sites. They will study the mechanisms and progressive ...