Tag: "how" at biology news
How Birds Sing
...logy , have provided the most detailed look yet at how
the brain controls singing in the zebra finch, whi...f a second. Margoliash said the goal now is to see how
the brain learns the song, by comparing adult birds to immature ones or those that are raised in iso...
PET Project Helps Reduce Pollution Threat From Heavy Metals
...r runoff for up toten years. And it doesn't matter how
bad the storm is. "Everything was based on peak fl... But it will take more than one storm to determine how
well thePET prototype works in the real world. The researchers mustmonitor the system for several mo...
Discovery Could Help Understand Breast-Cancer Therapies
...could prove to be crucial in efforts to understand how
thereceptors respond to drug therapies and how
they become resistant to tamoxifen,which, for 20 years, has been the anti-estrogen agent most common...
Green Glow: Not Only For Halloween
...s studying vision may be able to gain insight into how
the human eye is able to respond to so many different colors. Says Kamal Shukla, "Pliny the Elder probably never would have guessed where his original observations would lead."...
New Software Provides Quick Analysis of ion-Channel Activity
...s, named QUB, a researcher can discover in minutes how
long it takes for an ion channel to change from on...ork, they provide specific quantitative results on how
it works, on how
fast protein molecules change shape. That information will give scientists a critic...
Six-Year Drilling Project to Uncover One Million Years of Earth History
...give us an unprecedented opportunity to understand how
volcanoes form. We will also retrieve a detailed record of how
the Earth's magnetic field has changed in the past, and test the extraordinary but widely held view ...
'Juliet' Evades Primate Center Expedition
..., said Glander, the expedition dramatically showed how
much pressurethe endangered animals are under. "Although we saw groups of animals on five of our eight days in theforest, the instant they saw us, they would run away," Glander said."We also found a lot of lemur traps and extensive cutting of trees....
NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
...est adapted to which regional climate. It computed how
much surface area each type occupied based on competition for light (related to canopy cover) and disturbances such as tree fall and lightning-sparked fire. The result was a global picture of vegetation 21,000 years ago. The model shows fragile, tree...
NCAR Scientists Trek To Africa For Biosphere-Atmosphere Chemistry Study
...logical data throughout the study area--to explore how
the vegetation and fires interact with the atmosphere. "There's never been a program in this region that has combined all the elements of photochemistry, biochemistry, and meteorology," says NCAR's Pat Zimmerman. The experiment's logistics are challe...
Northwestern Scientists Discover How Herpes Simplex Virus Infects Cells
... in the Nov.1 issue of the Journal Cell. "Knowing how
this virus penetrates lymphocytestakes researchers one step closer to understanding how
recurrent herpeticdisease can occur in persons with normal immune systems and will lead todevelopmen...
Antarctic Science Season Gears Up With Searches for Meteorites, Neutrinos, and New Life Forms
...will track carbon over the season, and investigate how
trace metals, especially iron, affect plant produc...s great seasonal events, yet little is known about how
ice dynamics affect zooplankton and other animals in the ocean's topmost waters (the upper 100 mete...
Scientists Identify Retrovirus-Like Components In Corn Genome
...ve expected to find." Though scientists don't know how
or why such segments of DNA accumulate in the geno...erting into the genes, as expected. "We don't know how
they do this, but because they target their insertions between genes, these repetitive elements have...
Study Examines How Mechanisms Evolve To Regulate Bee Development
...ney-bee scientists have a general understanding of how
the level of juvenilehormone affects the well-know...es. This project, however, looked specifically at how
juvenile hormone affectsthe behavior of the stockier, bigger-winged drones in an attempt to gaininsi...
Scientists Trek to Africa for Biosphere-Atmosphere Chemistry Study
...ological data throughout the study area to explore how
the vegetation and fires interact with the atmosphere. To sample the African atmosphere, EXPRESSO is using: enclosures that measure atmospheric exchange from leaves and soil a 60-meter tower studded with meteorological instruments and air ...
Animal Studies Indicate Aging Brain Responsive To Estrogen
... microscopic studies that allowed themto determine how
the treatments affected neurons called granule cells inthe rats' hippocampus, a brain region involved in spatial memory. The scientists'study of single neurons revealed that the rats exposed to acute estrogentreatment had 40 percent more connective e...
Medicinal Leech May Offer Clues To Neural Regeneration
...bleed patients, now is being used to draw clues on how
a common protein may help promote neural regenerat... molecule provides at a cellular level, and to see how
these functions might help the leech's nervous system set itself up to allow regeneration to occur,"...
...ology doctoral student in Colorado, wondered. And how
do other mole rats, in colonies that average 75-80... to the ones the scouts had discovered -- to learn how
recruits find their way to the new food sources without the scouts to guide them. More often than no...
KU Researcher Eyes The Rain Forest Through The Trees
... isotopes in the plant tissues. The research shows how
well plants are using carbon dioxide and water in ...of carbon, oxygen and hydrogen. The research shows how
well plants are using carbon dioxide and water in tropical forests that are normally inaccessible to...
Twin Study May Ease Parents' Concerns About Late Talkers, Underscores Impact Of Environment On Language Development
...en Reznick. The study, which was designed to show how
a child'sgenetic makeup and environment influence ... language at ages 14 and 20months better predicted how
well the twins would do on intelligence testsat 24 months. Furthermore, the study found that enviro...
Bacterial Protein Structure Hints At Mechanism Of A Class Of Premature Aging Diseases
...er have determined the first step in understanding how
a newclass of genetic flaws may translate into dis...professors of microbiology at Duke,have determined how
a protein, called a replication termination protein(RTP), stops DNA replication in the bacterium Ba...
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