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A single strand of plant or animal DNA may contain tens of thousands of genes, each programmed to produce a specific protein essential for the growth or survival of the organism. The challenge for geneticists is to isolate individual genes and determine their function – a painstaking process often requiring years of laboratory trial and error.

Now an international research team has discovered a technique that dramatically streamlines this process for certain kinds of genes. Developed by sc

Neurobiologists have discovered that a nearly identical version of a gene whose mutation produces an inherited language deficit in humans is a key component of the song-learning machinery in birds.

The researchers, who published their findings in the March 31, 2004, issue of the Journal of Neuroscience, said that their finding will aid research on how genes contribute to the architecture and function of brain circuitry for singing in birds.

Among the lead researchers was neurobiol

Astronomers have discovered ten previously unknown likely black holes in the Andromeda Galaxy by means of a powerful new search technique they have devised. The Andromeda Galaxy is the nearest neighbouring spiral galaxy, 2.5 million light years away. Drs Robin Barnard, Ulrich Kolb and Carole Haswell of the Open University and Dr Julian Osborne of The University of Leicester used the European Space Agency’s XMM-Newton orbiting X-ray observatory to find what are probably black holes lurking in dou

Stem cells that act as seek-and-destroy missiles appear to be able to find cancer wherever it hides out – at least, so far, in animals.

This novel approach at gene therapy, reported by researchers from The University of Texas M. D. Anderson Cancer Center, may have use in a wide variety of both solid and blood cancers.

“This addresses our great need for cancer gene therapies aimed at curbing the metastatic spread of cancer cells,” says Michael Andreeff, M.D., Ph.D., professor in th

Often maligned as just another one of the Internet boom’s myriad hypes, e-learning’s chasm between theory and performance is being bridged by a new platform from SCHOOL+ that supports rather than imposes technology on Europe’s classrooms.

The three-year IST project SCHOOL+ project is developing a comprehensive online teaching and learning environment known as SCHOOL+ Microcosmos, which has been tested in 20 European schools at the beginning of this year. Simultaneously, this

A group of scientists at The Scripps Research Institute, at the University of California in San Diego, and at the Oregon Hearing Research Center and Vollum Institute at Oregon Health & Science University have discovered a key molecule that is part of the machinery that mediates the sense of hearing.

In a paper that will appear in an upcoming issue of the journal Nature, the team reports that a protein called cadherin 23 is part of a complex of proteins called “tip links” that are on hair ce