News tagged with hair bundles
Power steering for your hearing: Ears have tiny 'flexoelectric' motors to amplify sound
Apr 22, 2009 |
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Utah and Texas researchers have learned how quiet sounds are magnified by bundles of tiny, hair-like tubes atop "hair cells" in the ear: when the tubes dance back and forth, they act as "flexoelectric motors" ...
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Don't brush with baldness: put down that comb
Aug 10, 2009 |
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Put that comb back in your handbag -- a study by an Israeli dermatologist has found that too much combing of the coiffure leads to hair loss, the daily Haaretz reported on Monday.
Physicists identify molecular cause for one form of deafness
Feb 05, 2007 |
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Scientists exploring the physics of hearing have found an underlying molecular cause for one form of deafness, and a conceptual connection between deafness and the organization of liquid crystals, which are used in flat-panel ...
Neurons in zebrafish may reveal clues to the wiring of the human ear
Sep 23, 2008 |
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(PhysOrg.com) -- Developing neurons tend to play the field, making more connections than they will ever need. Then, the weakest are cut. But Rockefeller University scientists now show that neurons in young ...
St. Jude finds 'dancing' hair cells are key to humans' acute hearing
May 07, 2008 |
4.4 / 5 (11) |
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St. Jude Children's Research Hospital investigators have found that an electrically powered amplification mechanism in the cochlea of the ear is critical to the acute hearing of humans and other mammals. The findings will ...
Single gene may cause curly hair
Nov 10, 2009 |
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(PhysOrg.com) -- Scientists in Australia have identified a single gene that strongly influences whether you have curly or straight hair.
Diffusion tensor imaging increases ability to remove benign tumors in children
Medicine & Health / Neuroscience
Dec 04, 2009 |
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A new study published this week in the Journal of Neurosurgery: Pediatrics finds that operative plans for removing Juvenile Pilocytic Astrocytoma, or JPA, tumors in the thalamus of the brain can be augmented with Diffusion Tensor ...
New report bolsters theory on the ear’s inner amplifier
Nov 18, 2005 |
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Two competing theories exist to explain how the human ear amplifies sound. Now, using ear hair cells from a bullfrog, scientists at Rockefeller provide evidence to bolster the theory they proposed in 1998.
Researchers control the assembly of nanobristles into helical clusters
Jan 08, 2009 |
3.8 / 5 (5) |
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(PhysOrg.com) -- From the structure of DNA to nautical rope to distant spiral galaxies, helical forms are as abundant as they are useful in nature and manufacturing alike. Researchers at the Harvard School ...
Studying hair of ancient Peruvians answers questions about stress
Other Sciences / Archaeology & Fossils
Dec 09, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- Recent studies show that one in three Canadians suffer from stress and the number is on the rise. But stress isn't a new problem.
Nanoparticles go platinum: NCEM instruments provide key images
9 hours ago |
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At Berkeley Lab's National Center for Electron Microscopy it was revealed that single-stranded DNA can disperse bundles of single-walled carbon nanotubes into individual tubes and serve as guideposts for synthesizing ...
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