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Tag: "pitch" at biology news

Bird Brains Show How Trial and Error May Contribute to Learning

...show up a few notes later as a change in volume or pitch at a particular time in the song. The variations ...note in different directions, one area raising the pitch of a certain note and another area lowering its frequency. The moment-by-moment influence of this br...

Scientists journey to southern Africa to unravel the secret world of elephant communication

...ts emit a variety of infrasounds--calls too low in pitch to be heard by most humans. In 1989, Payne and her colleagues conducted a landmark experiment at a waterhole in Etosha demonstrating that these powerful infrasonic rumbles contain specific messages that can be heard and understood by other elephants ...

Team Invents Device For Weighing Individual Molecules

...y of mechanical vibration, although at such a high pitch that the "notes" are nearly as high in frequency as microwaves. The researchers set up electronic circuitry to continually excite and monitor the frequency of the vibrating bar. Intermittently, a shutter is opened to expose the nanodevice to an atom...

Bats use touch receptors on wings to fly, catch prey, study finds

...le to fly and turn effectively, but they tended to pitch forward because they couldn't control their in-flight balance. Zook's research also points to the importance of a second type of receptor cell in the membranous part of bats' wings. Nerve recordings revealed that these receptors respond when the mem...

Born with a love of speech

...hey also contain a fundamental frequency ?the core pitch of a voice, such as baritone or soprano, that helps us clue in to the identity of a voice. These non-speech stimuli were developed by Drs. Sonya Bird and Guy Carden in the Department of Linguistics and Dr. Janet Werker in the Department of Psychology...

Study shows hope for ridding lakes of clawed invader

...some degree sunfish - bluegills and pumpkinseeds - pitch in by eating the smallest crayfish. The Wisconsin DNR, by manipulating the bag and size limits for anglers fishing Sparkling Lake, has helped establish an optimal population of the fish that routinely dine on the crayfish. The trapping on Sparkling...

Master planners in brain may coordinate other areas' roles in cognitive tasks

... a symphony, with specialized sections required to pitch in at the right time to produce the desired melody, then the regions highlighted by the new study may be likened to conductors, researchers at Washington University School of Medicine in St. Louis assert. "They appear to be helping to determine whic...

Genomic comparison of lactic acid bacteria published

With public concerns at a fevered pitch over the bacterial contamination of spinach, it is easy to lose track of how bland and deprived our world would be without the contribution to our food supply of such benign microbial players as lactic acid-producing bacteria. Researchers from the U....

Mosquito repellents that emit high-pitched sounds don't prevent bites

...nic mosquito repellents (EMRs) claim that the high pitch sound they emit repels female mosquitoes, and therefore protects people in the vicinity from bites and disease. To test these claims a team of Cochrane Researchers conducted a systematic review looking for trials conducted with EMRs. They located ...

Research finds music training 'tunes' human auditory system

..., a single word can differ in meaning depending on pitch patterns called "tones." For example, the Mandarin...eans "rice." English, on the other hand, only uses pitch to reflect intonation (as when rising pitch is used in questions). As the subjects watched the ...

Male owls pitch their hoots to advertise body weight to competitors

...rom 17 territorial males and demonstrated that the pitch of the vocalization reflects the body weight of the male: the heavier the male, the lower the pitch of his hoots. In order to see whether this information is actually used by male owls during territor...

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(Date:8/28/2014)... , Aug. 28, 2014  Privacy Advocate and Senior ... Jennifer Lynch , joins the lineup of biometric and ... annual Biometrics UnPlugged Executive Summit in Tampa, ... Previously announced speakers include Steven Rahman, Director, Technology and ... Sector at Experian. The theme of this year,s event ...
(Date:8/28/2014)... production systems are good examples of complex systems. ... a networkincluding water for cooling, transport to supply ... Every step in the network chain is interconnected ... mutually dependent. A team of UK-based scientists has ... explored. The findings have been published in EPJ ...
(Date:8/28/2014)... will be built worldwide by 2050. Many of these ... bring an influx of destructive loggers, hunters and illegal ... a ,global roadmap, for prioritising road building across the ... development and environmental protection. , The map has two ... of ecosystems and a ,road-benefits, layer that estimates the ...
Breaking Biology News(10 mins):Biometrics UnPlugged Welcomes the Electronic Frontier Foundation's Jennifer Lynch to the Mobility at the Crossroads of Commerce and Privacy Summit 2Inter-dependent networks stress test 2Study shows where on the planet new roads should and should not go 2Study shows where on the planet new roads should and should not go 3
(Date:8/28/2014)... (PRWEB) August 28, 2014 ABC television ... the 49th MDA Show of Strength Telethon airing Sunday, ... country to help raise funds and awareness to help ... affected by muscle disease. , Viewers tuning into the ... enjoy heart-felt appeals and introductions from some of the ...
(Date:8/28/2014)... Allegheny Health Network and ... designed to advance sports nutrition education, concussion awareness ... scholastic athletes and their families across western Pennsylvania. ... Initiative will offer a comprehensive and multi-disciplined educational ... dynamics involved in pursuing athletic excellence,” said Come ...
(Date:8/28/2014)... (PRWEB) August 28, 2014 Gurnick Academy ... MRI Technology program is re-accredited for the 5 years ... Resonance Imaging Technologists (ARMRIT). , “We are very ... constantly improving our program to make sure we provide ... lot of interest in MRI field nowadays and I ...
(Date:8/28/2014)... problem in winemaking is "stuck fermentation," when yeast that ... carbon dioxide prematurely shuts down, leaving the remaining sugar ... the wine. , A team of researchers including UC ... communication system behind this problem. Working through a ... itself -- the system enables bacteria in fermenting wine ...
(Date:8/28/2014)... Tenn. The New England Journal of Medicine ... clinical trial of a drug shown to safely reduce ... volunteers intranasally infected with respiratory syncytial virus (RSV). ... of Tennessee Health Science Center researcher Infectious Disease Specialist ... , RSV is the most common cause ...
Breaking Medicine News(10 mins):Health News:ABC Stars Unite to Fight Back Against Muscle Disease During MDA Show of Strength Telethon 2Health News:ABC Stars Unite to Fight Back Against Muscle Disease During MDA Show of Strength Telethon 3Health News:ABC Stars Unite to Fight Back Against Muscle Disease During MDA Show of Strength Telethon 4Health News:Allegheny Health Network and Come Ready Nutrition Announce Regional Partnership 2Health News:Allegheny Health Network and Come Ready Nutrition Announce Regional Partnership 3Health News:Allegheny Health Network and Come Ready Nutrition Announce Regional Partnership 4Health News:Gurnick Academy’s MRI Program Is Re-Accredited by ARMRIT for the 5 Years 2Health News:Prions can trigger 'stuck' wine fermentations, researchers find 2Health News:DeVincenzo study breakthrough in RSV research 2
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