loud in Biological News

Plankton Power and RTDC announce proposed algae-to-biofuels pilot facility on Cape Cod

...ergy that would leverage $4 million in private funding to construct the proposed facility. MassDevelopment, the Massachusetts Clean Energy Center, and loud Fuel Company are also supporting the initiative. "Over the next few years, we are ready to set up the MMR as a partner for a number of critical...

Bird songs change with environment

...tening to adult males nearby," she explains. "Juveniles likely learn and repeat the songs they hear most clearly." Since the slower songs come through loud and clear in leafy surroundings, those are the ones that are learned and passed on to the next generation. After a while, the slower songs dominate. ...

UCLA scientists discover ultrasonic communication among frogs

...o the highly unusual presence of an ear canal. That research was published March 16, 2006, in the journal Nature . The frogs in China produce very loud calls that are, at the same time, both audible and ultrasonic. In Borneo, however, Huia cavitympanum produces some sounds that are purely ultrasonic...

Whispering bats are 100 times louder than previously thought

...asure the volume of a pair of whispering bat species' calls to find out how loud the whisperers are. They publish their discovery that whispering bats are r...emarkable 100 times louder than a 70decibel bat whisper and almost twice as loud as A. jamaicensis. Surlykke suspects that she can explain the difference...

Photos: Turn Your Couch into a 'Disney' Ride for Under $300

...ter owners worldwide, ButtKicker brand low frequency audio transducers provide high quality low frequency audio and realistic special effects, without loud volume, adding a powerful and exciting effect to movies, music and games. But don't let the name fool you. . .ButtKicker brand products are serious, a...

Genes that control cell death fingered in age-related hearing loss

...gy and Anatomy. "Right now, there is nothing we can do to treat it or reverse it, so prevention is the focus." Frisina advises avoiding exposure to loud noise wherever possible, and wearing ear protection when working with power tools or hunting, for example. Since many medications can damage hearing, ...

Bats pick up rustling sounds against highway background noise

...n local wildlife populations. Curious to know how sharp-eared bats react to loud background noise, Siemers and his colleagues Andrea Schaub and Joachim Ostw...15m of the busy road. Back in the lab the animals were less bothered by the loud traffic noise than they had been by the white noise buzz. But they still pr...

Unique study shows oil, gas seismic work not affecting Gulf sperm whales

...uch as measurements about sound levels and behavioral aspects of whales, including tracking their movements. Of particular concern was the effect that loud low-frequency noises, such as those created by seismic activity, might have on sperm whales in the area. Oil and gas companies prospect for subsea ...

From humming fish to Puccini: Vocal communication evolved with ancient species

... Science . Bass used fluorescent dyes to identify distinct groups of neurons in the brains of the larvae of midshipman fish, a species known for the loud humming sounds adult males generate with their swim bladders to attract females to their nests. With laser-scanning confocal microscopy, the research...

Killer whales, blind bats, discriminating dolphins, mating birds

... dubbed a "giggle" by those who study the animal - is a vocalization used more frequently in competitive situations, such as haggling over prey, while loud whooping calls are used for long-distance communication. However, groans are the most common type of vocalization for communicating in short-range set...

Study links low-frequency hearing to shape of the cochlea

... through an effect analogous to the well-known whispering gallery effect in which soft sounds that travel along curved walls in a large chamber remain loud enough that they can be heard clearly on the opposite side of the room. When sound waves enter the ear, they strike the eardrum and cause it to vib...

A screening strategy using zebrafish targets genes that protect against hearing loss

...se are known as ototoxic medications. People vary widely in their susceptibility to these agents as well as to damage caused by other chemical agents, loud sounds and aging. To find out why this is so, senior scientists Edwin Rubel, David Raible, and their research team developed a screening strategy t...

LSU professor studies army-ant-following birds

...ve, they consume every insect, spider and lizard they come across, said Brumfield. Naturally, any animal that hears them coming and theyre very, very loud runs the other way. The army-ant-following birds have learned to take advantage of the swarm by perching above it and preying on insects and other sm...

Dinosaur hearing, listening to muscle noise, quieter cubicles

...CING NOISE IN MRI SCANNERS Magnetic resonance imaging (MRI) scanners are becoming an increasingly useful medical tool. However, they produce very loud noise that may pose a hazard to both participants and scanner operators. Acoustical researchers are devising various approaches to making the machine...

Study shows isolation of stem cells may lead to a treatment for hearing loss

... Have you ever walked by someone listening to their i-Pod loud enough for you recognize the song? Studies have shown noise-induced hearin...hough the effects won’t show until it is too late to treat. In addition to loud noise, certain cancer drugs or genetic factors can cause hearing loss in hu...

Cities change the songs of birds

...own that songs of individual birds were adjusted to local traffic noise conditions. The researchers had shown that great tit males in territories with loud low-frequency noise used fewer low-frequency song notes compared to nearby individuals in quieter territories. That single-population study, in Leiden...

Emotional control circuit of brain's fear response discovered

... mechanism to prioritize and refine responses –we don't run away from every loud sound or unexpected sight," said Dr. Hirsch. "Following the discovery of t..."For example, if someone is walking on an empty street at night and hears a loud banging sound in the near distance, the amygdala would immediately light up...

Singing for survival

... are renowned amongst non-human primates for their loud and impressive songs that transmit over long dista...ces. They said, "We found that gibbons produce loud and conspicuous songs in response to predators to ...ose relatives. We found that gibbons appear to use loud 'long-distance' calls to warn relatives in neighbo...

St. Jude finds clues to hearing loss from chemotherapy

...ll as hearing loss caused by long-term exposure to loud noise, according to the researchers. The investi...ring loss in humans--such as long-term exposure to loud music--which are similar to the damage that occurs...e cells damaged in adults by prolonged exposure to loud noise. "In the future we'd like to be able to prev...

Whiplash injuries ?are they caused by startle reflexes?

...s could be startle reflexes elicited by unexpected loud sounds. Whiplash injuries most commonly result ...-end collisions that were sometimes accompanied by loud sounds. They showed that a significant component o...es through being startled by the abrupt motion and loud sound of the impact. This new finding promises a n...

World first research to speed up cure for ear infections

...which causes hearing loss and can lead to more serious disorders such as meningitis. Ear infections can occur when ear drums burst as a result of a loud explosion, trauma or most commonly by infection spread by a common cold or sore throat. LEHI's Senior Research Scientist Dr Reza Ghassemifar, said ...

Molecular trigger for Huntington's disease found

... corrects behavioral abnormalities that the mice otherwise display. These behaviors include abnormal reflexes such as an inhibited startle response to loud noise, which is also present in human HD patients. "In summary, our study establishes a specific role for p53 in HD," concluded Sawa and colleagues...

New Lab Research May Help Those Deafened By Immune System Attack

...nals that are fed to the brain and interpreted as sounds and speech. Damage to the organ of Corti and hair cells, whether due to immune system attack, loud noise, trauma or medications, can diminish or destroy hearing. The U-M team has developed a monoclonal antibody, called KHRI-3, that attaches to IE...