Tag: "questions" at biology news

Study Of Origin Of Species Enters The Molecular Age

... "How speciation occurs is one of the central questions in evolutionarybiology," says Chung-I Wu, Ph.D., chairman and professor of the department ofecology & evolution at the University of Chicago, and senior author of the paperin the November 20 issue of Science. "Geographic isolation and changes in the...

Fall Meeting: Updated Press Conference Schedule

...ope to provide maximum time for journalists to put questions to the scientists. *******************************...rn hemisphere since Spring Meeting, answering many questions and reopening some old ones. The MGS team has exciting new results on the north polar cap and has re...

Amid Albanian Turmoil, Archaeologists Unearth Secrets Of The Stone Age

...mnants from the Paleolithic period may help answer questions about the introduction of farming into Europe, Davis said. The Paleolithic and Mesolithic eras spanning from 750,000 to 11,000 years ago represent a time before agriculture began. It was about 8,000 years ago that modern man's relatives in the Neol...

Columbia Researchers Synthesize Compound With Possible Link To MacularDegeneration; Work Is Critical To Pinpointing Causes Of Disease, Scientists Say

...ess that takesplace in the eye. One of the questions the researchers have not yet answered is whetherA2E forms before or after the RPE takes up cellular debris. Answering thatquestion will help pinpoint how and where the vitamin A derivative is created. What exactly A2E does to the eye is stil...

Gene Identified For Heart Defect That Causes Sudden Death In Young People

...t should also offer important insights intobroader questions regarding sudden-death heart attacks -- in which death occurswithin hours -- and heart failure, a severe weakening of the heart's ability topump blood. Roberts and his colleagues located the ARVD gene by studying the genetic familytree of a North Ame...

Biotech Creates New Solutions And New Problems

...ffer new options for California farmers,they raise questions as well. This issue of California Agriculture explores twoof them: how privatization of proprietary rights to key biotechnology willaffect public germplasm development, and how the problems of pest resistance mayaffect the long-term success of larvae...

Molecular Doorway Holds Key To Gene Therapy

...hat regulates gene expression? These arevery basic questions that need to be answered." "We just figured out the first two steps of the journey: opening the door andstepping into the passageway," Samulski adds....

Study: Calcium Supplements Appear To Protect Against Colorectal Cancer

... cancer. The newstudy did not directly address the questions of whether calcium supplementsaffect polyps changing to invasive cancer but is still good news. Diets rich in vegetables and fruits also have been associated with lowerrisks, while diets high in animal fat and red meat seem to boost the cha...

Professor Will Connect With Students Live From China Dinosaur Site

...hina. The students will have an opportunity to ask questions as well as learn about new discoveries at the Chinese excavation site. Dr. Hengst, who left for the month-long expedition in late December, is an authority on dinosaur respiration and has presented research findings at national ...

Wolf Prize In Medicine Awarded To Kandel, Columbia's Pioneer Of Memory Research

...ts. Until the late 1950s, investigations of these questions weredominated by behavioral approaches that tended to treat the brain as a blackbox, without any understanding of what took place within it. To overcome the technical obstacles that previously kept the study oflearning beyond the reach of bio...

Butterflies Help Reveal The Source Of Life's Little Luxuries

...therattlesnake its rattles may seem like disparate questions of developmentalbiology, but the origins of these novelties, according to the genes ofbutterflies, may have much in common. Writing in this week's edition (Jan. 22) of the journal Science, scientists fromthe Howard Hughes Medical Institute at the Uni...

Vasta To Address Diseases Of Marine Environment At AAAS Meeting

.... ET, Friday, January 22. Vasta also will consider questions about shellfish as transmitters of disease toseafood consumers. "These are significant concerns," he adds, "becausemicrobial diseases in the marine environment may not only harm marineecosystems, natural resources such as fisheries, and aquaculture ...

Online Briefings At AAAS To Feature New Research On Oceans; Discussion With Leaders Of Large Hadron Collider And International Space Station

... of EurekAlert!. Users will be able to submit questions to the participants online. Each briefing will last approximately one hour. The briefings are a first-time experiment for AAAS and we will seek feedback from the online audience. The schedule for the briefings follows: ...

How Nature Harvests Sunlight

...riting]; it provides us with the key foranswering questions about the underlying physical components that go into theassembly and function of not only purple bacteria but also that of thelight-harvesting complexes of more complex plants." "This is a great example of how you can apply physics conceptually to b...

Duke Geologist Decries Using Engineering Models To Predict Natural Phenomena

...models to study nature, because those address the questions "how" or "why." Bycontrast, the engineering models he opposes "ask the questions "where," "howmuch" and "when," he added. "For example, "When will that beach disappear that ...

Hopkins, Israeli Scientists Link Soybeans With Pain Relief

...es might be a culprit. "I suspect answering these questions willgive birth to a whole series of new experiments," he adds, "that could helpexplain why pain varies in people, and help us develop new therapies." Models such as Shir's have recently sparked a quiet revolution inscientists' ideas on pain: ...

New Clues To Evolution Of Human Brain

...t of the way," she said. "Of course, one of thebig questions is what replaced it. From the imaging work and from studies ofpeople with damage to that part of the brain, it looks as if these 'new' areasare involved in functions that are, if not uniquely human, then greatly moredeveloped in humans -- for example...

Major $17 Million Grant To Fund Ocean Research

...one at shore-based sites nearby. Among the questions scientists hope to answer: How do currents, upwelling and other physical ocean processes affectphytoplankton productivity, nutrient concentration and the communities of plantsand animals that depend upon these factors? How w...

A Fresh Look At Love And War Between The Sexes

.... As Low pointsout, once there is sex, many other questions remain. "Once the purpose of sexis established," she notes, "you wonder why in so many species, there are twosexes, instead of 13 as there are in some slime molds." The reason, biologistsconclude, relates to the survival value of anisogamy. For sma...

Largest Acoustics Meeting In History Expected

...Ocean provide indications of climate change? These questions are all explored in the science of sound--otherwise known as die Akustik, les acoustiques, acoustics and many other names around the world. Researchers will be gathering at what is expected to be the largest meeting ever devoted exclusively to this s...

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(Date:4/18/2014)... (April 21, 2014) -- A group of scientists ... and the Sanders-Brown Center on Aging has found ... and neuropsychological function in Parkinson,s disease (PD). ... , the study, which assessed cognitive function in ... the dopamine replacement therapy commonly used to treat ...
(Date:4/18/2014)... memories? How did it make you feel? According to ... experience, such as how sad you were or how ... when you can,t stop thinking about it. , ... context of the memories, rather than how you felt, ... the negative effects of these memories, a new study ...
(Date:4/18/2014)... scientists could lead to potential new treatments for breaking ... , Fibrosis, or scarring, is a hallmark of ... lungs can lead to serious organ damage and, in ... options centers on findings made by Swati Bhattacharyya, PhD, ... that a specific protein plays in promoting fibrosis. ...
(Date:4/17/2014)... One of the most popular vaccine brands for children ... may be overlooking some cost factors when choosing vaccines, ... expensive option, according to a new study by University ... administer can be driven by numerous factors," says Sheldon ... professor of computer science and of mathematics at the ...
(Date:4/17/2014)... In a review published in the April issue of ... The Feinstein Institute for Medical Research, says it,s time ... approach to treating sepsis, which kills millions ... Sepsis occurs when molecules released into the bloodstream to ... body. Inflammation is necessary for maintaining good health ...
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