News tagged with noise
Physicists Show that Correlated Environmental Variations Can Quicken Extinctions
Jan 13, 2009 |
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(PhysOrg.com) -- In general, population extinction is a natural process. For one reason or another, an estimated 99.9% of all species that have lived on Earth are now extinct. However, the reasons for a species ...
Got ear plugs? You may want to sport them on the subway and other mass transit
Jun 19, 2009 |
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The U.S. mass transit system, the largest in the world, provides affordable and efficient transportation to more than 33 million riders each weekday. The system is generally considered one of the safest modes of travel. But ...
NASA Balloon Mission Tunes in to a Cosmic Radio Mystery
Space & Earth / Space Exploration
Jan 07, 2009 |
4.6 / 5 (17) |
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(PhysOrg.com) -- Listening to the early universe just got harder. A team led by Alan Kogut of NASA's Goddard Space Flight Center in Greenbelt, Md., today announced the discovery of cosmic radio noise that ...
Active hearing process in mosquitoes
Nov 20, 2009 |
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A mathematical model has explained some of the remarkable features of mosquito hearing. In particular, the male can hear the faintest beats of the female's wings and yet is not deafened by loud noises.
Report Says Musicians Hear Better Than Non-Musicians
Medicine & Health / Neuroscience
Nov 17, 2009 |
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(PhysOrg.com) -- The Journal of Neuroscience reports this week that musicians are better than non-musicians at recognizing speech in noisy environments. The finding from a study conducted by neurobiologists at Nor ...
New brain findings on dyslexic children
Medicine & Health / Neuroscience
Nov 11, 2009 |
4.3 / 5 (10) |
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The vast majority of school-aged children can focus on the voice of a teacher amid the cacophony of the typical classroom thanks to a brain that automatically focuses on relevant, predictable and repeating auditory information, ...
Kepler Mission Update
Space & Earth / Space Exploration
Nov 06, 2009 |
4.7 / 5 (7) |
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(PhysOrg.com) -- Kepler completed another science data download over October 18-19. In this download, a month's worth of science data was transmitted through the NASA Deep Space Network and into the Science ...
Seismic noise unearths lost hurricanes
Space & Earth / Earth Sciences
Oct 20, 2009 |
4.7 / 5 (6) |
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Seismologists have found a new way to piece together the history of hurricanes in the North Atlantic—by looking back through records of the planet's seismic noise. It's an entirely new way to tap into the ...
Twinkling Nanostars Improve Optical Imaging of Tumors
Nanotechnology / Bio & Medicine
Sep 25, 2009 |
4.5 / 5 (2) |
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(PhysOrg.com) -- Researchers at Purdue University have created magnetically responsive gold nanostars that may offer a new approach to biomedical imaging. The nanostars gyrate when exposed to a rotating magnetic field and ...
Rising above the din: Attention makes sensory signals stand out amidst the background noise in the brain
Sep 23, 2009 |
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The brain never sits idle. Whether we are awake or asleep, watch TV or close our eyes, waves of spontaneous nerve signals wash through our brains. Researchers at the Salk Institute for Biological Studies studying visual attention ...
Noisy roads increase risk of high blood pressure
Sep 09, 2009 |
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Traffic noise raises blood pressure. Researchers writing in BioMed Central's open access journal Environmental Health have found that people exposed to high levels of noise from nearby roads are more likely to report suffer ...
Traffic noise could be ruining sex lives of frogs
Aug 21, 2009 |
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(AP) -- Traffic noise could be ruining the sex lives of urban frogs by drowning out the seductive croaks of amorous males, an Australian researcher said Friday.
Doing what the brain does -- how computers learn to listen
Aug 14, 2009 |
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(PhysOrg.com) -- We see, hear and feel, and make sense of countless diverse, quickly changing stimuli in our environment seemingly without effort. However, doing what our brains do with ease is often an impossible task for ...
Twinkling nanostars cast new light into biomedical imaging
Nanotechnology / Bio & Medicine
Jul 21, 2009 |
5 / 5 (2) |
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(PhysOrg.com) -- Purdue University researchers have created magnetically responsive gold nanostars that may offer a new approach to biomedical imaging.
Neural noise created during binocular rivalry
Medicine & Health / Psychology & Psychiatry
Jun 19, 2009 |
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Neural "noise" may cause you to miss important changes in your environment when you are concentrating on something else, new research indicates.
