Tag: "life" at biology news

Jefferson Scientists Devise Way To Treat Animals Chronically Infected With Hepatitis B

...nd that by interfering with a specific step in the life cycle of thewoodchuck hepatitis virus, the virus c..."We've discovered that a very specific step in the life cycle of thevirus that can be selectively inhibited by a drug, N-nonyl-DNJ," he explains."It works b...

Bears Cubed: Virginia Tech Studies Three Bears, And Three Bears, And Three More Bears

...e and his graduate students have been studying the life and growth patterns ofblack bears for 18 years. The College of Forestry and Wildlife Resourcesresearchers participate with the Cooperative Alleghany Bear Study (CABS) inpartnership with the Virginia Department of Game and Inland Fisheries. In the sum...

Birds Sing The 'Story Of Their Lives,' Theorize Duke Biologists

...judge how well he has overcome the stress of early life and how effective a matehe will be. The re...glycomplex songs, while other species with similar life histories have relativelysimple songs that still function as sexual selection traits. "We th...

New Insights Into The Enigma Of Lengthening Longevity

... theory, the postreproductive span of life should be short because there is no selection agai...of survival attributes may increase with a persons life expectancy. Research over the next decade may resolve the question of how many survival...

CAK Activation Of Plant Cell Cycle: Scientists Find Another Piece In The Jigsaw Puzzle To Help Explain Why Plants Do Not Develop Cancer Spontaneously

...seem to perform important functions throughout the life of a cell since they appear to be implicated in the control of both the cell cycle and transcription, as well as DNA repair, where they perform a distinct function, controlling carcinogenesis. Scientist are eager to find ...

Study Of Sulfides In Bacteria Casts Doubts On Evidence Of Life In Martian Meteorite ALH84001

...ple hope that it was evidence for extraterrestrial life becauseminerals found in it resembled minerals created by some unusual earthly bacteria. Now it appears that thebacteria themselves contradict that claim. In an article appearing in the May 8, 1998 issue of Science, a team led by two scientists from...

Perkin-Elmer, Dr. J. Craig Venter, And TIGR Announce Formation Of New Genomics Company

...pplications. It develops, manufactures, andmarkets life science systems and analytical instruments used in marketssuch as pharmaceutical, biotechnology, environmental testing, foods, agriculture,and chemical manufacturing. Headquartered in Connecticut, Perkin-Elmer hadrevenues of nearly $1.4 billion in fi...

Perkin-Elmer To Introduce New Instrument Based On Breakthrough DNA Analysis Technology

...pplications. It develops, manufactures, andmarkets life science systems and analytical instruments used in...m competitors and/or customers; (5) changes in the life science or analyticalinstrument industries; (6) changes in the pharmaceutical, environmental,researc...

Schmidt-Nielsen Autobiography Details Scientific Adventures

...ose myown ways, I have enjoyed the excitement of a life spent in finding out howanimals work." His autobi... of physiology in 1963. A researcher's scientific life is also colored by his personal one, andSchmidt-Nielsen tells of his own, including a family life of...

Biosphere Lessons Can Be Applied To Space, Former Crew Co-Captain Says

...rew. Long-term space missions will require life support systems similar tothe steel and glass structure north of Tucson, Ariz., where eight scientistslived for two years, Silverstone said. Silverstone spoke at symposium on future directions in space lifescience research at a meeting of th...

Antimicrobial Resistance: Issues And Options

...premature emergence of resistance. Increasing the life of antibiotics will require changes in attitude and behavior among health care providers, patients, parents, managed-care organizations, the pharmaceutical industry, and others. Since no adequate enforcement mechanisms exist to ensure proper antibio...

Biochemists Gain Crystal-Clear Insight into 'Ancient' Enzyme

...e true, one could speculate that oneof the reasons life evolved from an RNA-dependent world to a protein-dependentworld is that the RNA required magnesium to do anything. And RNA is notparticularly good at forming specific metal binding sites, whereas proteinsare particularly good." The biochemists' work...

Antibodies Know Right From Left

...wing right from left is essential in many areas of life -- even onthe molecular level. Prof. Meir Wilchek of the Weizmann Institute'sBiological Chemistry Department, working with an international team ofresearchers, has now discovered that this ability is particularlyprominent in antibodies, the Y-shaped ...

Plants - Factories Of The Future

...used as a model by scientists because of its short life cycle and well understood genetics - and produced plants containing significant levels of either epoxy or acetylenic fatty acids in their seeds. "We now need to incorporate other genes which will help the plants produce higher concentrations of...

ASU Scientists Join NASA Astrobiology Institute

You have to understand life if you are going to try and find it, particularly ...d in a broadly-based search for ancientand current life that extends from the biosystems of toxic hot springs of the deep ocean, to thedeep subsurface crust...

When To Pick A Peck Of Pungent Peppers? When The Peck's At Its Peak

...Although these compounds arepresent throughout the life of the pepper, the amount increases as the peppermatures until a maximum is reached, and then decreases rapidly, according toYahia. The degradation of the capsaicinoids is caused by naturally-occurringcompounds called peroxidases. Yahia and Margari...

Fish Farmers Must Learn Zebra Mussel Prevention From A To Z

...rols can be expensive and could hurt other aquatic life forms including the farm fish, Swann recommends creating a prevention plan to head off zebra mussel infestation along with a monitoring program if an operator suspects that a pond may be affected. "It's called a Zebra Mussel Critical Control Point Pr...

Highlighting USGS Science At AGU

...y state by USGS scientists to minimize the loss of life and property from natural disasters, contribute to...on's natural resources, and enhance the quality of life by monitoring water, biological, energy, and mineral resources....

Evidence For Genetic Effects On The Behavior Of Normal Two-Week Old Babies

...possible in the future, by combining very early in life geneticand behavioral tests, to detect antecedents of adult personality traitsallowing clinicians and parents to more intelligently guide the newborn'spsychological development. For information on this Molecular Psychiatry article, please contact the...

Models Assess Remedial Actions On Abandoned Mine Lands In Colorado

...ry state by USGS scientists to minimize theloss of life and property from natural disasters, contribute to...ion's naturalresources, and enhance the quality of life by monitoring water, biological,energy and mineral resources....

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