Understanding Hearing, Molecule By Molecule:
Berkeley Lab scientists have for the first time pieced together the three-dimensional structure of one of nature's most exquisite pieces of machinery, a gossamer-like filament of proteins in the inner ear that enables the sense of hearing and balance.
Marine Worm's Jaws Say 'Cutting-edge New Aerospace Materials':
Researchers in California and New Hampshire report the first detailed characterization of the protein composition of the hard, fang-like jaws of a common marine worm. Their work could lead to the design of a new class of super-strong, lightweight materials for use as construction and repair materials for spacecraft, airplanes, and other applications.
Apples And Pears Contain Pathways To 'Breathe':
Pears and apples contain air pathways to "breathe". The pathways are microscopically small structures for oxygen supply and are key elements in determining the fruit's health. Researchers from the Catholic University of Leuven in Belgium and the European Synchrotron Radiation Facility (ESRF) have visualized them for the first time, therefore proving their hypothesized existence.
Scientists Discover Key Patterns In The Packaging Of Genes:
Although every cell of our bodies contains the same genetic instructions, specific genes typically act only in specific cells at particular times. Other genes are "silenced" in a variety of ways. One mode of gene silencing depends upon the way DNA, the genetic material, is packed in the nucleus of cells.
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