A 'private bandwidth' for communication in bats: Evidence from insular horseshoe bats
... mainland but abundant in Sardinia. This bat emits frequencies falling between the other two species: if Sardinia...ition. By calling respectively at lower and higher frequencies than on the mainland, R . euryale and R. hipposideros avoid all risk of confusion. The authors of......rand breaks, there was good agreement with the RIF frequencies seen in the microscope. But in the case of gamma r... primarily to sparse and noncomplex DSBs, measured frequencies in real microscope images were lower. This suggests that RIF correspond to sites of complex doubl...Smithsonian's National Zoo researchers use electronic eggs to help save threatened species
...d and endangered species. Temperatures and turning frequencies for artificially incubating eggs can sometimes rely as much on guesswork as on hard data. Improving the success rate of breeding not only increases the numbers of birds in captive populations, but also helps maintain their genetic diversity, which is...Brain's 'hearing center' may reorganize after implant of cochlear device
...locate where in the brains auditory cortex various frequencies were processed and come up with a map for these tones. Their results demonstrated that in people who had cochlear implants for at least three months, normal frequency organization was somewhat restored. "Our results strongly suggest that the recipi...Purdue-IU researchers explore new method for early disease diagnosis
...d by a pattern of peaks corresponding to different frequencies that can be used to identify the molecules like amino acids in biofluids. Each metabolite has a unique pattern of peaks. Researchers use nuclear magnetic resonance to detect hydrogen or carbon atoms to provide insight into the metabolites present, ...Bright future for nano-sized light source
...ium niobate. These nonlinear properties enable the frequencies of the incoming infrared light to be mixed or doubled, through techniques known respectively as second harmonic generation (SHG) or sum frequency generation (SFG), before being emitted as visible light. The result is light that is tunable as well as ...Pendulum love, science class gender gaps, musical mind mirrors, and unparticle physics
...ore in common, the physicists adjusted their swing frequencies until they were more or less on the same wavelength. Upon the next meeting, two pendulums could not help but move in mixed reality unison indefinitely, defying the friction forces that had ended their previous interreality relationship. Believe it...Study shows lizard moms dress their children for success
...d blue-throated females with striped backs. "The frequencies of yellow and orange were both increasing in the wild that year, so the females exposed to orange neighbors and yellow sires in the experiments had the most fit progeny," Lancaster said. "But under different environments, maybe the progeny that weren...Salvage logging, replanting increased biscuit fire severity
... do have a warmer climate that leads to increasing frequencies of wildfire in this region, he said, a positive feedback of high severity re-burns may favor plant species more able to deal with that regime manzanita, ceanothus or tan oak that could displace conifer forests. Managers may have few options to re...Essential tones of music rooted in human speech
...um analyzer, the relationships between the various frequencies that a speaker uses to make vowel sounds correspond neatly with the relationships between notes of the 12-tone chromatic scale of music, Purves said. The work appeared online May 24 in the Proceedings of the National Academy of Sciences. (Download ...Dinosaur hearing, listening to muscle noise, quieter cubicles
...cies with a short basilar membrane can hear higher frequencies than larger species with a longer basilar membrane...limit of a conventional telephone; humans speak at frequencies as high as 8 kHz and can hear up to about 20 kHz (2aAB2). Other papers in session 2aAB will explore ...WHO data confirms low level of resistance to Tamiflu
...had been substantial oseltamivir use in Japan. Low frequencies of oseltamivir resistance in influenza A viruses (<0.5%) were also detected in isolates collected through the WHO Global Influenza Surveillance Network during the first 3 years (19992002) after the introduction of the neuraminidase inhibitors int...New imaging approach promises insights into multiple sclerosis
...eration imaging does just the opposite, adding the frequencies of the two original beams, producing a new signal with a frequency that is the sum of the original beams. The third imaging technique, two-photon excitation fluorescence, provides higher contrast and brighter images than conventional fluorescent im...Where is the proton? Yale scientists discover footprints of shared protons
...for the widely varying, characteristic vibrational frequencies that occur when an excess proton binds together simple nitrogen and oxygen containing molecules. Rather than studying the proton-trapped pairs of molecular in crystals or in solution at room temperature, as has been common in the past, Johnsons te......ed twice in laboratory stock and was also found at frequencies of 21% and 13%, respectively, in bacteria in field-collected aphids from Wisconsin and New York. Population genetic theory predicts that when a mutation is maintained in a population at high frequencies, it likely confers some benefit to its beare...Study shows isolation of stem cells may lead to a treatment for hearing loss
...inuscule amounts and are set in motion by specific frequencies of sound. We hear this sound because this motion induces the hair cell to release an electrical impulse which passes along the auditory nerve to the brain. If the sound is too loud, the hair cells are damaged and no longer send signals to the brain...One membrane, many frequencies
...a crucial mechanism for discerning different sound frequencies and thus may have implications for the design of b...urther understand how we hear such a wide range of frequencies (the highest is a thousand times the lowest), as well as to shed light on the causes of certain hear...New bird species found in Idaho
...ted and nomadic call types to breeding at very low frequencies in the South Hills. Such ecological differences lead to premating (i.e., before mating) reproductive isolation, which is nearly completed by strong assortative pairing among the different call types (>99% of South Hills crossbills pair with anoth...Malaria: The right vaccine in the right place?
...fections in 100 Malian children. They compared the frequencies of 14 different MSP-119 haplotypes over three years, in three age groups, and in consecutive infections within individuals. They found that the frequency of individual MSP-119 haplotypes fluctuated in their study population, but that the P. falciparu...Study reveals how some molecules inhibit growth of lung cancer cells
...oximately 16 percent of NSCLCs, but at much higher frequencies in selected populations, including nonsmokers, women, and East Asian patients. Laboratory and clinical studies have shown that tyrosine kinase inhibitors are more effective against some EGFR mutations than others, although the molecular reasons for t...