Study on olfactory nerve cells shows why we smell better when we sniff
Mar 13, 2007 |
4.5 / 5 (6) |
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Unlike most of our sensory systems that detect only one type of stimuli, our sense of smell works double duty, detecting both chemical and mechanical stimuli to improve how we smell, according to University ...
Stress and nerve cells survival in rats; finding may open widow for depression treatment
Mar 13, 2007 |
5 / 5 (5) |
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A single, socially stressful situation can kill off new nerve cells in the brain region that processes learning, memory, and emotion, and possibly contribute to depression, new animal research shows.
Study shows how blood cells change shape
Biology /
Mar 13, 2007 |
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Millions of times during their four-month lifespan, human red blood cells must squeeze through tiny capillaries to deliver their payload of oxygen and pick up waste carbon dioxide-functions essential to life.
Videotaped confessions can create bias against suspect, study finds
Medicine & Health / Psychology & Psychiatry
Mar 13, 2007 |
4.2 / 5 (5) |
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Police often videotape interrogations of suspects for use in criminal trials. Video confessions that focus exclusively on the suspect, however, can bias judges and law enforcement officers to consider the suspect’s ...
Darwin's famous finches and Venter's marine microbes
Biology /
Mar 13, 2007 |
4 / 5 (5) |
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Although the Galápagos finches were to play a pivotal role in the inception of Darwin’s theory of evolution through natural selection, he had no inkling of their significance when he collected them during his voyage on the ...
Breast implants – risks underplayed, choices limited
Mar 13, 2007 |
3.6 / 5 (5) |
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Growing numbers of New Zealand women are having breast augmentation surgery but too little information is being made available about the choices available for shape and size of implants and the associated risks, according ...
Newly discovered fish facing extinction
Biology /
Mar 13, 2007 |
4 / 5 (4) |
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An aquarium species discovered in Southeast Asia in August is facing possible extinction because of intense demand for the colorful fish.
Signaling Ret-receptors protect the live of nerve cells in the aging brain
Mar 13, 2007 |
5 / 5 (3) |
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Uncontrolled neuronal death in the brain often gives rise to neurodegenerative illnesses like Parkinson or Alzheimer disease. Whether or not neurons have a long and healthy life is, apart from other factors, ...
Jet engines help solve the mysteries of the voice
Mar 13, 2007 |
3.5 / 5 (4) |
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Although scientists know about basic voice production—the two "vocal folds" in the larynx vibrate and pulsate airflow from the lungs—the larynx is one of the body's least understood organs.
Made in IBM Labs: Helping the Blind 'See' Internet Multimedia
Mar 13, 2007 |
4.7 / 5 (3) |
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IBM today announced a new emerging technology that helps blind and visually impaired people experience streaming video and animation on the Internet. Designed at IBM's Tokyo Research Laboratory, the new multimedia browsing ...
Offspring whose parents have long lives appear to have lower heart risks in middle age
Mar 13, 2007 |
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Individuals with one or more parents who survive to age 85 or older may have fewer risk factors for heart disease in middle age, according to a report in the March 12 issue of Archives of Internal Medicine.
New surgery to reverse gigantism symptoms
Mar 13, 2007 |
2.4 / 5 (5) |
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U.S. surgeons are to perform a new type of procedure next week to reverse symptoms of a rare form of gigantism that is enlarging a man's features.
Insomnia drug can improve brain function
Medicine & Health / Medications
Mar 13, 2007 |
4.5 / 5 (2) |
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A new study reported that zolpidem, a drug normally used to treat insomnia, temporarily improved brain function in a patient suffering from akinetic mutism, a condition in which the person is alert but cannot speak or move. ...
Sleep disorders can impair children's IQs as much as lead exposure
Mar 13, 2007 |
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Three decades ago, medical investigators began sounding the alarm about how lead exposure causes IQ deficits in children. Today, researchers at the University of Virginia Health System say children with sleep disorders can ...
Biologists Develop Large Gene Dataset for Rice Plant
Biology /
Mar 13, 2007 |
4.5 / 5 (2) |
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Scientists have reported development of a large dataset of gene sequences in rice. The information will lead to an increased understanding of how genes work in rice, an essential food for much of the world's ...
