Tag: "square" at biology news
KU Researcher Eyes The Rain Forest Through The Trees
...Science magazine estimated that 100,000 to 165,000 square
kilometers of tropical rain forests are lost to deforestation annually - clear-cutting of native forests. That's an area roughly equal to half the state of Kansas. So when Valery Terwilliger, assistant professor of geography at the University of Kans...
Urbanized Watersheds More Sensitive To Climate Change
...dle River, N.J., which in 1940 had 518 people per square
mile and in 1980 had 2590 people per square
mile. This area is 100 percent urbanized and had an increase of 70 percent in stream flow. Rock Cr...
Researchers Corral Millions Of Microscopic Membranes
...ioxide with a pattern of microscopic squares. Each square
was about five microns (about five thousandths of ...squares, however, was made chemically repulsive. A square
centimeter of this array contains 2.8 million of these microscopic "corrals." Next, the scientists ...
A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens
...f ash encircled the Earth. Two-thirds, or about 25 square
miles, of Krakatau Island (now named Rakata) disappeared, and one entire side of the volcano was torn away and dumped into the sea. In 1930, 47 years after the eruption, a new island with its own smoking volcano suddenly appeared in t...
Virus May Be Linked To Obesity -- Early Findings Hint At Relationship
...d by dividing aperson's weight in kilograms by the square
of height in meters. A viralconnection to obesity in humans has never been seriously considered before,the researchers noted. Dhurandhar first found that one type of adenovirus that infectsbirds and is found only in his native India could in...
Hot 'Lanta: NASA, School Kids Team To Study How Trees Help Cities Keep Their Cool
...ill fly north and south to cover a 30-mile (48 km) square
centered on Atlanta. In addition to kids at 10 schools - the heat island experiment will involve water vapor data taken by instruments carriedaloft by balloons, and sunlight measurements from shadow band radiometers placed at several locations aroun...
Everyday Technology Underlies First DNA Computer Logic Gates
...dded DNA would quickly bind to the strands in the square
containing its complementary DNA sequence, and scientists could use the labels to detect the DNA answers. Ray and Ogihara are among a growing group of scientists who believe that DNA could serve as a very compact, efficient, and accurat...
Limits Of Life On Earth: Are They The Key To Life On Other Planets?
...p-sea location where pressures reach many tons per square
inch. How does one study the ancient climate of Mars? James Kasting of Pennsylvania State University hopes to look back through time and see what the paleoclimate on Mars was like. Early Mars appears to have had a warm and wet climate, but exist...
Biogenic Emissions Higher Than Expected Over African Savanna
...one 24-hour period, fires were burning over 25,000 square
kilometers (15,500 square
miles). EXPRESSO results will next be used to evaluate and improve computer models of air chemi...
Shrews May Predict Environmental Degradation
...Europe, the fact that we found 16 species in a 35- square
kilometre area is amazing." Ray also believes the shrews may hold some clues to the evolutionary history of Africa and an understanding of the immense biodiversity of the continent's rainforest. CONTACT: Professor Justina Ray, Faculty of Forestry, (...
Three-Dimensional Structure Of Human Lung Tryptase Determined, An Enzyme Involved In Allergic Asthma
...veals four quasi-equivalent monomers arranged in a square
flat ring. Each monomer contacts its neighbours at two different interfaces via six loop segments. These loops are located around the active site and differ considerably in length and conformation from those of other trypsin-like prote...
Yale Announces New Biotech Firm
...lly plans to hire 20-30 people and to occupy10,000 square
feet of laboratory space, is the fourth biotechnologycompany based on Yale research discoveries to be launched this year,Gardiner said. He added that he hopes to maintain a pace of launchingthree or four new companies each year and is already far al...
Purdue Herbarium -- A Noah's Ark For Egyptian Plants
...density along the water's edge is 5,000 people per square
mile. Beyond them lies desert. By bringing water t...desert interior, checking how many plants grow per square
mile. That information, coupled with satellite imagery, aerial photography and global positioning sy...
Water Quality In Georgia-Florida Coastal Plain Affected By Agricultural And Urban Activities
...l Survey (USGS). The study area encompasses 62,000 square
mile area in southern and central Georgia and northern and central Florida, and is one of 20 study areas nationwide which have recently been investigated for water quality as part of a comprehensive U.S. Geological Survey program. The study found tha...
Study Shows Zebra Mussels Can Colonize Sand And Mud
...omezebra mussel colonies exceed 20,000 animals per square
meter. Berkman and his colleagues studied 200 kil...ed that by 1995, zebra mussels covered about 2,000 square
kilometersof the lake beds soft sediment. We do know that mussels colonize soft substra...
Micro-Plants Yield Pharmaceutical New Wave
...ustralia's ocean territories which, at 16 million square
kilometres, cover twice the size of the nation's landmass. Microalgae from the collection is presently used throughout Australia in the formulation of crucial live feeds for young aquaculture species such as oysters, prawns and abalone. The ...
The Fishing Hole Had Better Be Upstream From Commercial And Industrial Centers
...re pollution tolerant,so you can get thousands per square
meter in highly urbanized areas," McTammanysays. While pollution reduces diversity overall it creates advantages fortolerant species. "Their predators may not be tolerant," McTammany says. "Algae,which can be a food source, grows well in urba...
Potential Solutions For Gulf of Mexico's "Dead Zone" Explored
...hedeach spring and ultimately turn more than 7,000 square
miles of the Gulfof Mexico into a dead zone. Nitrogen and other nutrients cause hypoxia, or the depletion of oxygenin a body of water. Hypoxia in the Gulf stems from human activities in theMississippi River watershed, which encompasses m...
Destructive Algae Overtaking Mediterranean Waters
...beach out to a depth of about 150 feet. A single square
yard of seafloor can be matted with 700 feet of ru... The algae were first spotted in 1984 on about a square
yard of seafloor off the coast of Monaco, according to Science News. By 1990, the interloper had r...
Harbor Branch Oceanographic Trains Displaced Fishermen And Women In New Careers As Aquafarmers
...ida, trained on "farmettes" of approximately 1,000 square
feet of submergedland. They were provided with equipment and three sizes of hard clam seed toexperience land nursery, field-based nursery and growout systems. Upon completion of their training, equipment and seed was transferred to theparticipant's ...
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