Tag: "deep" at biology news
Some Atlantic Coast Beaches Are Shrinking While Florida's Beaches Better Off Than Most
.... Inlets lead to erosion partly becausejetties and deep
channels disrupt the normal southerly flow of sand, andpartly because inlets carry sand away from beaches. "Having an average shoreline that's in good shape doesn't mean the wholeshoreline is in good shape," Dean said. "There are a lot of pla...
The Green Party
...to sealed jars, these organisms arefrozen within a deep
freezer to a frigid -80 deg C (-112 deg F), temper...ing ecosystemshave been revived from this ultimate deep
freeze. Life In A Bottle Left shows a closed terrarium that stabilizes a natural equilibrium betw...
Fossil Footprints Show Foot-Movement Similarity In Dinosaurs And Birds
...ehind unusually long, four-toed prints. Such deep
tracks captured movements of the foot belowthe ...nt of the track. "It's clear that the deep
prints were made by similar mechanisms," saidGatesy. "The possibility that a dinosaur's toes c...
Undiscovered Biological Diversity: A Symposium On Bioprospecting
...sent evidence to support the idea that the world's deep
oceans will be asignificant resource for drug discovery. Biotechnology companies are also getting involved in bioprospecting tofind novel molecules for medical applications or as tools for basic research.The organizers invited molecular biolo...
Surface water not always the answer to Bangladesh arsenic pollution problem
...e samples in areas of easternBangladesh to compare deep
earth layers with soil levels, to begin to underst...depleted ofarsenic and other metals as compared to deep
core samples. Their analysis alsogave some hints about the long-term climatic history of Bangladesh...
Procedure, new apparatus may allow relief from incontinence
...airable analinjury. It can result from a tear or a deep
episiotomy that fails to healcorrectly. Colorectal surgeons sometimes can perform an overlapping sphincteroplasty onwomen who, for years, didn't think they had any options. The surgical procedurerestores anal continence and can free women from a life...
Common genes form new family tree for animals
MADISON -- Looking deep
within the genes of three very different kinds ofanimals, scientists have found enough molecular evidence to finally fell theanimal kingdom's old family tree. Writing this week in the British journal Nature, scientists from the Universityof Wisconsin...
Many contaminants found in nation's streams, but few drinking-water standards exceeded, USGS report shows
... (water-bearing rock formations) buried relatively deep
beneath the land. Protection of human health is more difficult in rural agricultural areas where shallow ground water is used for domestic water supply. High levels of nitrate in shallow ground water also may serve as an "early warning" of p...
African dust called a major factor affecting southeast U.S. air quality
...4hour period. Particles of this size can penetrate deep
into the lung, where theyare deposited and react with lung tissue. The standard does not distinguishamong various types of particles, which include pollution and local dust alongwith African dust. Prospero says that manmade photochemical pollution in...
Mechanical forces found to exert larger role in blood vessel health and disease
...s thecontraction of smooth muscle cells, which lie deep
within the vessel wall. Thismay, in turn, contribute to the overall vessel contraction in response to anincrease in blood pressure. To estimate the shear stress levels on smooth muscle cells, the group used acomputer simulation often used to model t...
Catastrophic draining of huge lakes tied to ancient global cooling event
... Ohio, and the ice isestimated to have been a mile deep
at present-day Detroit, said Barber. At thetime of glacial lake draining, the Laurentide Ice Sheet probably had retreatedby about 80 percent....
Astrobiologist to hunt small game in Siberia
...inter. Below that ispermafrost - soil which is too deep
for the warmth of a brief summer to reach.This sam... center. This alsomeans that any life-forms caught deep
in the ice of ancient glaciers andpermafrost are extremely old. Vorobyova brought to NASA/Marshall ...
Conserving the Everglades: Less is more
...include the arid Mediterranean, Antarctica and the deep
seabottom. The fact that the Everglades have low nutrient levels makes them particularlysusceptible to nutrient pollution, says Trexler. The main source of nutrientpollution there is high-phosphorus runoff from the Everglades Agricultural Area,the n...
'Keys to cures' -- an online expedition to the frontier of biomedical research
... an answer: 3000 feet...straight down. That's how deep
they'll be divinginto the waters of the Florida Keys and the Gulf of Mexico, prospecting forpowerful new drugs and performing a pioneering submersible-based biodiversitysurvey of the Florida Keys National Marine Sanctuary. The rest of us will onlyha...
Narcolepsy gene identified
...n feels irrepressibly sleepy andquickly falls into deep
sleep. Some people with narcolepsy experience vivi..."The orexingene is expressed exclusively in a very deep
part of the brain called thelateral hypothalamus," Yanagisawa explained. This structure has classica...
UT Southwestern researchers create mice with narcolepsy
... of NREM before entering the REM stage, which is a deep
sleep and iswhen dreams occur. All of the mice lacking the orexin ligand had narcolepsy while none ofthe normal mice experienced the chronic sleep disorder. In the related study published Aug. 6, Stanford University researchersreporte...
Ancient viruses lurking in polar ice
...cient virusin Arctic ice. The virus, found deep
within the Greenland icepack, is known as a tomatomosaic tobamovirus (ToMV), a common plant pathogen. The discovery suggests thatother viruses, such as ancient strains of flu, polio and smallpox, may also beentombed and could make a comeback. "We don...
Snapshot of new drug marks a major advance by Memorial Sloan-Kettering researchers
...der theenzyme's activity. The enzyme has a narrow, deep
pocket, at the bottom of which is the active site- the atoms where SAHA and trichostatin A bind. The critical parts of SAHA andtrichostatin A are the binding end, which is made up of a substance calledhydroxamic acid, and a long narrow chain of atom...
Microbial hydrocarbon 'cracking'
... compounds that serve for methane formationin old, deep
parts of aquatic sediments where cellulose or othe...troleum. By selective cultivation of microbes from deep
ditch sediment, the researchersin Bremen and Hamburg were able to grow a natural association of bact...
Scientists gather in Oregon to decide next steps of mid-ocean ridge exploration
...sive amounts of heat and material from the Earth's deep
mantle tothe ocean floor and the oceans themselves. "More than 70 percent of the earth's present surface -- almost theentire ocean floor -- has been created along this volcanic system in only thelast 100 million years," explains David Christi...
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