Cardinals Can Recognize Gender By Song, Columbia University Biologist Finds
... travel further in the forest; the female song has significantly loudersecond harmonics, giving it a nasal quality. Amplitude is difficult to capturein the field and depends on the position of the bird and the listener, Dr.Yamaguchi said, so it's not clear whether the male song is louder. In an earlier st...Research Answers Burning Questions About Pollution
... Laurendeau says this type of engine design could significantly reduce nitric oxide production, although more tests are needed to determine exactly how much. "Our work with lean direct injection spray flames has so far been limited to flames produced at atmospheric pressures," he says. "In a real jet eng...Hurricane Georges Puts On A Light Show
...33,000 ft) altitude. The eye wall pattern was also significantly displaced from the radar eye wall location unlike those seen with Bonnie, Danielle, or Earl. Hurricane Georges is smaller than Bonnie, the hurricane that NASA and its partners closely studied earlier this season, but is still quite deadly. From...NIAID Scientists Discover HIV Disease-Slowing Mutation
A common genetic mutation significantly delays the progression of HIV disease, scientists at the National Institute of Allergy and Infectious Diseases (NIAID) have found. Philip M. Murphy, M.D., and David H. McDe...Study Finds First Genetic Clues To Brain Tumor Treatment
...he National CancerInstitute, has the potential for significantly improving treatment of patientswith these tumors. "It now will be possible at diagnosis to examine patients' tumors for thesegenetic changes and determine right away whether chemotherapy will be helpful,"says J. Gregory Cairncross, MD, a neuro-onco...Lake George Water Is Death On Zebra Mussel Larvae
... headwater for Lake Champlain, Lake George differs significantly fromthe larger American lake in a number of respects, including the amount ofdissolved calcium in its water. The Lake Champlain water used in the DFWI testscontained 20 milligrams of calcium per liter and had a pH of 8.3. The LakeGeorge water contain...Bat Sonar Sharper Than Thought; Much Better Than Man-Made Gear
...a pen line on paper.Such image resolution is significantly better than any man-made sonar, say the study authors. "Using the same sounds as the bat, the best man-made sonar equipment can only process echo delays arriving five to 10 microseconds apart," saidstudy leader James Simmons,......hat makealcohol habit-forming, but this study adds significantly to the accumulatingevidence that has suggested a role for the dopamine systems, already known toplay a role in habit-forming properties of heroin and cocaine," says Roy Wise,PhD, an addiction expert at the National Institute on Drug Abuse. "The find...Long Lava Flows May Have Taken Years, Causing Global Cooling And Extinctions
... The study is not limited to Earth. Lava flows significantly longer thanany known on Earth have been observed on Venus, Mars, and the Moon, and theirexcellent exposure, coupled with improved spacecraft imagery may actually makethem easier to study. The latest findings on long lava flows are reported i...Aluminium Study Puts Drinking Water In The Clear
...Dr. Staubersays. "If aluminium from water were to significantly increase the total amount ofaluminium in the human body, it would have to be in a form that is much moreeasily absorbed into our bloodstream ( i.e. more bioavailable) than aluminium infood (which has low bioavailability). This is because a greater pr......one maturation and bloodpressure of the group were significantly below normal. The mean height of adultmales was 130 centimeters, or a little over 4 feet. Females had a mean height of114 centimeters, or were about 3.5 feet tall. However, their bodies werenormally proportioned and showed no deformities. Their intel...Wisconsin Scientists Culture Elusive Embryonic Stem Cells
...o develop the technology. The company has invested significantly in the longquest for human embryonic stem cells. In addition to supporting the efforts atWisconsin, it has funded other groups doing similar work at Johns HopkinsUniversity and at the University of California at San Francisco. Because there is a proh...Duke Scientist Reports Advances In Gene Therapy For Heart Failure
...times the normal numberof bARs on heart cells, had significantly increased ability to pump,demonstrated by a 20 percent increase in the force of the heart's contraction. The key to the researchers' success, Koch said, was using a new surgicalmethod to ensure that the adenovirus spread throughout the heart....Environmental Factors Contribute To High Blood Pressure In African-American Males
...om Visits Environmental stressors contribute significantly to hypertension in young,urbanAfrican-American males, but high blood pressure can be dramatically decreasedwith theintervention of health care providers, researchers at Johns Hopkins UniversitySchool of Nursingreport. Preliminary results of a t...... to be effective againstmultiple forms of HCV adds significantly to its potential as a therapeutic agentagainst HCV. We look forward to developing HEPTAZYME® aggressively, and hopethat it will become an important component in anti-HCV treatment regimens," saidDr. Ralph Christoffersen, Ph.D., CEO and President...New Drug "Cocktails" Prove Effective Against Hepatitis
...tron A[interferon]/Rebetol combination therapy was significantly more effective than Introl A monotherapy," accordi...After 12 months, the presence of liver disease was significantly greater among those patients whowere TTV infected than among those who were not. "This study does no......k, 190 regular multi-vitaminusers in his study had significantly lower homocysteine levels in their bloodand their arteries showed less arterial wall thickening than the remaining 161participants. In a second abstract, Hodis outlined an intriguing connection between long-termhormone replacement therapy (HRT) and ...Treatment With IL-2 Plus HAART Markedly Reduces HIV In Immune System "Hiding Places"
...s highly activeantiretroviral therapy (HAART) have significantly fewer resting CD4+ Tcells in their bloodstream which harbor HIV than patients receivingHAART alone, according to a study of 26 patients conducted at theNational Institute of Allergy and Infectious Diseases (NIAID). RestingCD4+ T cells are among the ......rge numbers of drugs for pharmaceutical companies, significantly speeding up drug development by quickly identifying the most promising. In some cases it may cut development time by up to six months. With new drugs earning 1 million per day the appeal of using the AMS is obvious. The technique, which is based o......c eruptions. These eruptions are believed to have significantly alteredglobal temperatures at the time. "The discovery of the volcanic material is really quite exciting,'' Borgsaid. "It is clearly evidence of a major eruption, several times larger thanMount St. Helens (in Washington State) and possibly c...