Tag: "glimpse" at biology news

Sea Turtles Have Favorite Oceanic Routes

...low leatherbacks have given humanity a fascinating glimpse into the long-distance migration patterns of vertebrate marine life. Scientists have learned that the turtles prefer specific ocean routes as if traveling an aquatic interstate highway. "They're all going along the same corridors," said Stephen J. M...

Salve From Serpents? UD Studies May Explain Why Viper-Venom Protein Stops Tumor Spread In Mice

...ane notes. McLane and Niewiarowski got their first glimpse of eristostatin's anti-tumoraction several years ago, as part of a project directed by Canadian researcherVincent L. Morris of the University of Western Ontario. Melanoma cells wereinjected into cancer-susceptible mice, some of which also received er...

Candidate Regulator Of The Temporal Component Of Neurotransmitter Release Identified

...ommunication. In addition, they provide another glimpse at the way cells recruit proteins that have long been used in evolution into the highly specialized machinery of neurotransmitter release....

National Studies Reveal Why Pet Owners Take Animals To Shelters And How Many Find New Homes; Statistics Point to Epidemic

...mic,"Salman said. "These studies give us the first glimpse of why so many pets areentering shelters and what happens once they are surrendered by their owners." The council, a coalition of 11 non-profit and scientific organizations,started in 1993 to coordinate three epidemiological studies t...

'Molecular' Computers? Munich/UD Researchers Report First Glimpse Of Artificial Molecule In Action

... ofDelaware researchers will report the first-ever glimpse of 'artificialmolecules' at work--thanks to a new invention for stimulating them the way lightexcites real molecules. "We developed a technology for probing artificial molecules that allowed us tosee a phenomenon analogous to Rabi oscillations [prono...

Australian Scientists In World-First Cell Discovery

...orld about this discovery because it is the first glimpse of that part of the receptor which binds the hormone. It's been a long time coming." Three years ago a US team clarified the structure of the portion of the receptor that lies inside the cell. The Australians have now described the structure of...

Mechanism Discovered For Determining Early Vertebrate Body Plan: New Zebrafish Mutants Afford Deeper Look Into Embryonic Patterning

...rlier, a stagesometimes crucial to catching a rare glimpse of the earliest stages ofvertebrate development. This work is described in a July issue of Developmental Biology andfunded by the National Institutes of Health and the Howard Hughes MedicalInstitute. Editor's Note: Dr. Mullins can be reached ...

Studies Suggest Cold Can Protect Valuable Papers

...of these reactions withoutenzymes provides a first glimpse of the extraordinary power of enzymes ascatalysts." To determine speeds at which bonds are broken, the scientists tookadvantage of the fact that heat causes reactions to speed up. In the laboratory,they cooked simple compounds, with bonds...

First Dinosaur Embryo Skin Discovered -- Unhatched Embryos Are First Ever Found Of Giant-Plant Eating Dinosaurs

...es of delicate fossilizedskin, providing the first glimpse of the soft tissue covering baby dinosaurs. The extraordinary new fossils represent a number of scientific firsts: thefirst dinosaur embryos to show fossilized skin; the first known embryos of thegiant plant-eating dinosaurs called sauropods; and th...

Science Announces Top Ten Research Advances Of 1998

..., twointernational teams of astronomers provided a glimpse into the destiny of theuniverse when they looked at distant stars and found that they were rushingapart at an accelerating rate. Scientists discovered decades ago that theuniverse has been expanding since the Big Bang. But whether the gravitationalpu...

Jurassic period mammal teeth found; prevailing theories challenged

...me from the North. The teeth offer the first clear glimpse of mammalianevolution on the Southern continents during the mid-late Jurassic period,indicating a Gondwanan rather than a Northern origin for this mammal subgroup,as long assumed, said Wyss. "This is the first mammal from this interval of ti...

As Hurricane Floyd moves up the Atlantic Coast . . . .

...canes and tropical storms in the areamay provide a glimpse of how coastal and climatic processes affect water-qualityconditions and aquatic communities on barrier islands. Coastal Erosion and Storm Surge USGS geologists, in cooperation with National Aeronautics and SpaceAdministration and the National Ocea...

Advance may put gene chip technology on scientists' desktops

...ow to a wealth of genetic information, providing a glimpse of the workingsof tens of thousands of genes found in the cells of living organisms. A recent example of gene chip technology at work was the report of another groupof Wisconsin scientists who used a gene chip to discover the genes involved inthe pro...

Tracing the evolution of sex chromosomes

... chromosomes were built. This research provides a glimpse back intime and a means to understand how sex chromosomes--one of nature's greatestexperiments--first emerged. Millions of years ago sex was probably determined not by sex chromosomes, but bysome environmental factor, like the temperature of the wate...

New books view storms, the stratosphere, and more

...Science BOULDER--A global perspective on storms, a glimpse into creepingdegradation of the Aral Sea, and a portrait of the stratosphere awaitreaders of recent books by scientists at the National Center forAtmospheric Research (NCAR). For specialists, recent works examineatmospheric chemistry and global chang...

'Frozen pictures' allow far-reaching glimpse into the cells protein factory

... than collected elsewhere, provides a far-reaching glimpse into the microscopic ribosomal world, revealing certain outstanding, heretofore unobserved features. These include the site where protein production begins, as well as exceptionally clear RNA double helixes and various ribosomal protein locations. ...

Human stem cell research leads Science's top ten list of the best scientific advances in 1999

...y of success, scientists are now hoping to catch a glimpse of the ribosome as it operates its protein assembly line, engaging in the most basic activity performed by all living things. The Weird World of Quantum Matter: This year scientists created a bizarre new kind of gas that may one day help them probe...

Researchers learn how degradation of proteins changes muscles during exercise

...Southwestern Medical Center at Dallasresearchers a glimpse of the molecular changes that alter the structure and function of musclesfollowing exercise training. This knowledge may lead to drugs that would benefit people withmuscle-degenerative diseases or sports injuries. The study, published in the March J...

Scientists capture new images of movement in nerves

...b//suppl/ncb0300/ncb0300_137/ has provided a rare glimpse of slow axonal transport, the process by which many of the proteins in the nerve cell's cytoplasm travel from the nerve cell body along the nerve fibers, also called axons. These proteins are crucial for the development and maintenance of axons, bran...

UCSF study reveals mechanism of telomerase enzyme that could lead to target for cancer therapy, cell regeneration

...d HIV," she says. The discovery may also offer a glimpse into the evolutionary past. Some researchers have believed that during an earlier period in evolutionary history the RNA molecule in telomerase might have deferred functional power to the protein component. The discovery that the seemingly archaic ...

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