New Tests Demonstrate MuchLarger, More Specific Immune Responses To Viruses
...year after infection. "One of the hardest things to do is to identify T cells responding to aparticular pathogen," explains Dr. Ahmed. "This work greatly revises ourthinking on the dynamics of T cell activation and will lead us to re-examine ourmodels of viral-induced T cell proliferation." ...Ground-Breaking DNA Research Leads SFU Grad To The Top
... after our conversation, I isolated the enzyme and things goteasier and easier." Li's persistence earned him a $5,000 doctoral prize from the NaturalSciences and Engineering Research Council. Only two of these national prizes areawarded each year in the natural sciences. "I was completely sh...The Shape Of Life: How Does The Computer "Know" When It Sees It?
...n various living things (left; links to largerimage). He introduced the id...l dry bone. Making the task more challenging, many things that are not life forms appearlifelike, while many true life formsappear to be non-life. Buying or c...Detecting Deer: New Method For Counting Population In Urban Areas
...he possibility of a countingerror. "One of the key things is that we had a known population to start with," saysBeringer. "That's a definite asset to any census. There have been many otherattempts without a known population; then a pre-count assumption has to be made. But the GPS keeping us on our transec...... over time--and why. "One of the important things this study has shown us is that thesuperficial appearance of an area might not be telling you the whole story,"said Hamrick. "Each situation has unique characteristics that make if verydifficult to say that tropical trees in a certain situation will ...News Backgrounder: Duke Primate Center Successfully Fosters Mysterious Aye-Ayes
... "Their natural foraging technique is to dig things out to eat, sothey're basically uninterested in food if it's just presented to them in abowl," said Williams. Thus, the technicians put the basic aye-aye diet, a gruel of monkey chowflavored with vanilla, into a hollow bamboo tube or other co...Scientists Excited About Miniature Cooking Pots
...echnology--from biology to electronics-- is tomake things as small and as uniform as possible. Last month, Young and Douglas published a paper on thediscovery in the international journal Nature. Since then, theresponse from the scientific community has been"incredible," said Douglas. Chemists have been t...NASA Research Helps Map Protein Structures -- Key In The Development Of New Disease-Fighting Drugs
...understanding of the molecular structure of living things - a key tothe development of new disease-fighting drugs. Space- and ground-based studies conducted by NASA-sponsored scientistsare providing a better understanding of protein structures and functions.Determining the structures of proteins --...Dismantling Dangerous Genetic Codes With A Faster, More Flexible RNA Mimic
...hes. "Most (antisense) efforts are directed toward things like getting good RNAtarget sequences and developing good DNA analogs with good pharmacologicalproperties to use for humans," he says. "What we're doing can be added toimprove any approach by making the best antisense compounds possible. Thepotenti...Studies Suggest Cold Can Protect Valuable Papers
...that join DNA - themolecular blueprints for living things -- are 170,000 years and for proteins,400 years. ...e,"Wolfenden said. "Everybody knows you don't want things to be damp, but what'snew is that the temperature dependence of these reactions are much higher than......alms down. "But this study points to the fact that things are not soquiet," comments McIntosh, who is also Director of Penn's Head Injury Center. "Abrain-injured patient may look stable, but cells are still dying. Realizing thiswill be important for coming up with ways to recover, regenerate, and stem thelo...The Best Molecular Snapshot Yet Of Cells Affected By Alzheimer's Disease
...ealthy neurons, glial cells, and all kinds ofother things -- grind it up and perform their tests," says PaulColeman, principal investigator and one of 12 researchersnationwide to have received the NIH Leadership and Excellence inAlzheimer's Disease (LEAD) award. "That seems a bit unproductive,especially sin...New Office For Technology Development Hopes To Attract New Companies To Dallas
...able to workproactively with investigators on such things as marketing a project andpackaging related technologies to increase their values, said Stone, a professorof internal medicine, physiology and biochemistry and holder of the NCHCorporation Chair in Molecular Transport. UT Southwestern took an...Duke Studies Show U.S. Central Plains Vulnerable To Global Warming
...oach, because you don't needto know what all those things are."...... the wide range of environmental conditions living things encounter. Biological clocks are the cellular basis of the circadian rhythm, the 24-hour light-dark cycle that times behavior and metabolism for most organisms from plants to people. In humans, delayed resetting by the clock is an underlying cause ...Paper Wasp Queens Wait To Hijack Or Adopt
...e allknow people who sit and wait for others to do things for them, but who wouldhave thought we'd see the same behavior in insects?" Are the wasps acting like cuckoos because they are lazy or just plain mean? "We've known about usurping and adopting for a long time, but we thought thequeens came from destr...New Environmental Monitoring System To Reduce Costs And Improve Efficiency
...ent," Hartman said. "We can see if we're doing bad things to itor if we're making improvements through pollution abatement techniquesand processes."...Duke Study Helps Explain How Cells Divvy Up Genes During Reproduction
... operate,we will be able to identify why sometimes things go wrong in the reproductiveprocess," Endow said. "Right now it is very difficult to do these experimentswith animals more advanced than flies because they make eggs internally. Thatmakes it difficult to observe the process. But using flies, in which...New Genetics Of Cancer Educational Website Is On-line
...the site--to help several audienceto make sense of things and keep the technology working for us," he said. The genetics of cancer website features three educational levelsspecifically designed for 1) primary care physicians; 2) nurses, social workers,psychologists and health care educators; and 3)......lems, and there's achance that you might even make things better," Orr says. "But ifyou go in and rewire everything and make a bunch of majorchanges, the chances aren't good that it'll have a positiveeffect." However, researchers began poking holes in that argument in1983, and now Orr has turned it on ...