Tag: "first" at biology news
Biosensor Is A Model For Widespread Testing Of Chemicals, Molecules
...ciences, primary author Homme Hellinga predictsthe first
useful application will be a portable "bedside lab...worked,"Hellinga said. But this was only the first
step in the goal of rationally creatingbiosensors. Next the team had to demonstrate that they could ...
Scientists Trace Roots Of Protein That Keeps Antarctic Fish From Freezing
...roceedings of the NationalAcademy of Sciences. The first
paper, focusing on the Antarctic fish, gavethe first
look at the genetic process of creating a new protein for speciessurvival. "Most new protein genes ...
Duke Study Shows Early Marrow Transplant Key To 'Bubble Boy' Disease Cure
... opportunistic infection, she explained, andin the first
few weeks of the baby's life, when the donor marrow takes holdquickest. Waiting until after the first
four weeks of life increases therisk of infection, as well as slowing the development of immunity fr...
Beset By Human Competition, Penguins Must Take Marathon Food Trips To Avoid Starvation, A Researcher Finds
...rom their nesting sites. Boersma's research is the first
to show that the temperate species of penguin, ran...ips were more than 37 miles out to sea. It was the first
proof that the foraging range of the temperate species can be so great. Last year, Boersma repeated ...
Duke researchers find existing drugs can stop fungus that attacks AIDS patients
...d. In about 40 percent of these patients,it is the first
infection they develop when their infection progresses toAIDS. "There is a pressing need for new anti-fungal agents against Cryptococcusand other fungi because we are identifying an increase both in the numberof cases of serious fungal infectio...
First Planned Release Of Captive Lemurs In Madagascar Wilds Expected In Fall
...al checkups and genetic analysesat both sites, the first
group of black and white ruffed lemurs -- fouror f...ascar and Parc Ivoloina. The total budget for the first
three year phase will be $300,000. Almosthalf that money is already in hand due to fund raising effo...
Scientists Use Magnetic Field As Alternative To Space-Based Zero Gravity
...cation in the BiophysicalJournal. The scientists first
described their findings at the March 1996annual meeting of the American Physical Society. Their study marked the firstaccount of living creatures levitated in a magnetic field. Last April,researchers in the Netherlands reported use of a magnetic fie...
Everyday Technology Underlies First DNA Computer Logic Gates
...the University of Rochester has built some of the first
DNA computer "hardware" ever: logic gates made of ...n up whole new possibilities, since they mark the first
step toward building a DNA computer that would perform calculations in the same way as electronic ...
Houseflies May Transmit Ulcer Bug
...urnal of Clinical Microbiology . This study is the first
report of H. pylori colonization of houseflies. ...r. Grbel. H. pylori is a bacterium that was first
described in the early 1980'sby a group of Australian researchers who theorized its connection toulc...
New understanding of crab populations may not bring fishermen's delight
...oduced by a smallamount of noise." For one of the first
few times, a modeled understanding of the processagrees with data from a field population, he says. Ideally, a model with such a good fit to data could be extended to predictthe future of crabs. Yet, like weather, populations seem to defy predictabi...
Low Iron Levels Cause Weakness In Women Who Are Not Anemic
...ral new Cornell University studies. In some of the first
studies to look at iron-depleted women who are not...n. When people consume iron-deficient diets, they first
deplete their iron stores in the liver; at the final stage, they become anemic due to insufficient i...
New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
... of teosinte.By successfully crossing them for the first
time, Eubanks has produced fertileoffspring that c...that hypothesis, Native Americansthen improved the first
corns through accidental or intentional breedingefforts. But Eubanks maintains that Tripsacum is ...
Natural Shelters on Leaves House Plant Bodyguards
...on yield by 30 percent. These results, offeringthe first
experimental evidence that plants and certain bugs both benefitfrom the presence of domatia, are reported as scientific correspondencein the June 5 issue of the journal Nature. "Domatia are wildly common and take on many forms, ranging fromvery simp...
Purdue-Made Soil Benefits The Environment
...maker" project started in the lab in 1993, and the first
large-scale mixing operation started in the fall of 1995, producing about 200 cubic yards of topsoil, or roughly 200 tons. The name Soilermaker is derived from "Boilermaker," the nickname for Purdue sports teams and students. The latest phase of the ...
Merging Physics And Neuroscience: First Evidence Of Self-Organized Criticality In Brain Networks
Researchers have found the first
evidence that chemicalactivity within networks of brain cells displays behavior that ischaracteristic of self-organized criticality. Previously seen onlyin physical processes, self-organized criticality describes complexsystems far from equilibrium ...
Subtle Biotic Changes Have Big Environmental Impact
... (July 11) edition of the journal Science, is the first
to show that only slight rearrangement of an intact ecosystem's food web can directly influence the atmosphere. The discovery is important because it demonstrates that single, seemingly subtle changes in ecosystems can have far-reaching consequen...
Calorie Restriction Reduces Age-Related Muscle Loss
...protein synthesis. Weindruch, who co-authored the first
text on dietary restriction,an in-depth review art...eral reports inother prestigious journals, was the first
to show that even startingrodents on a controlled diet in midlife produced longer-lived, healthieran...
Cricket And Chemistry Combine To Provide New Understanding Of How Fats Work
...mistry have now devised a new method which for the first
time allows chemists to distinguish between to the "leg stump "and "off stump" chains in a particular fat and thus allow industrial chemists to both monitor and model the effect of particular enzymes on various fats. The research team is using a n...
Enhancin Protein Attacks Insect Immune System
...ited." Wang and Granados discovered and cloned the first
invertebrate intestinal mucin gene from the cabbage looper larvae (Trichoplusia ni). The researchers looked at seven types of pests and found their method to be effective against the fall armyworm, beet armyworm, the cotton bollworm, the American bu...
Summer Science: Firefly Babies Advertise Their Bitter Taste, UD Researchers Say
...epredators." The UD study is believed to offer the first
laboratory-based evidence of aninsect using bioluminescence--rather than coloration--as an "aposematicdisplay," which warns predators of an unappetizing or hazardous meal. Brightcolors, such as the orange and black patterns on a monarch butterfly or ...
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