circle in Biological News

Study sheds new light on dolphin coordination during predation

... to enclose their prey, and then dart into the circle of confused fish in organized pairs to feed for ... became concentrated, the dolphins tightened their circle and formed 10 pairs. The pairs at one o'clock and ... one or two individual dolphins would break the circle or head to the surface to breathe, it breaks ...

An easy way to find a needle in a haystack by removing the haystack

... 100 different analytes from single and small-sized samples. "The analysis of a very small plant leaf sample from Arabidopsis thaliana , in fact a circle area with a radius of just about 0.5 millimeter, revealed over a hundred analyte peaks, among which 46 metabolites could be identified. ...

CU-Boulder study shows 53 million-year-old high Arctic mammals wintered in darkness

... Ancestors of tapirs and ancient cousins of rhinos living above the Arctic circle 53 million years ago endured six months of darkness each year in a far milder climate than today that featured lush, swampy forests, according to a ...

Targeted drug therapy prevents exercise-induced arrhythmias

... patients at a young age if the arrhythmias can be controlled medically," Fish said. "That's an exciting prospect." Fish feels like he's come full circle with flecainide. In the late 1980s, he surveyed the drug's effects in pediatric patients as a follow-up to a large clinical trial in adults that ...

GEN reports growing focus on PI3-kinase pathway in cancer research

... Company scientists say they are studying the pathway because there are a number of feedback loops that emanate from m-TOR and downstream kinases that circle back to the top of the pathway and turn on AKT, an enzyme that drives tumor survival signals. Investigators at the University of London are ...

How do bacteria swim? Brown physicists explain

... on the microbe as it swims closer to the surface. When the microbe was farther away from the surface, it encountered less drag, and its swimming circle was wider, the group learned. It's this zigzagging effect that helps explain why "most of the time, these cells are not as close to the surface as ...

L-1 Identity Solutions Selected by the State of New York as the Winning Bidder to Provide Enrollment Services for a Contract Estimated at Up to $250 Million

... and assets. Leveraging the industry's most advanced multi-modal biometric platform for finger, face and iris recognition, our solutions provide a circle of trust around all aspects of an identity and the credentials assigned to it -- including proofing, enrollment, issuance, usage and access control. ...

Paradigm Tactical Products to be Largest Distributor of Metal/Radiation Detection Wands in United States

... seaports, schools, and much more. Vincent Cammarata, president and CEO of Paradigm Tactical Products, commented, "Our newest products close the circle and complete the first stage of our detection technology strategy. We now have the capability to cross market companion products with the intent to ...

Mapping a clan of mobile selfish genes

... hemophilia and breast cancer, Devine says. Bennett and Devine tested Alu elements by putting each of 89 family representatives on a small circle of DNA next to a gene that allows human cells to resist a poisonous drug. They then introduced the DNA circles into cells in culture dishes. If ...

Running on rocket fuel

... children, and bouncing babies, this study highlighted an Achilles heel where energetic poverty translated into reproductive poverty, and a vicious circle whereby small packs have fewer pups, leading to even smaller packs, and driving them into an extinctive vortex. From a conservation standpoint, ...

L-1 Identity Solutions Awarded New Massachusetts RMV Driver's License Contract Valued at an Estimated $32 Million

... and assets. Leveraging the industry's most advanced multi-modal biometric platform for finger, face and iris recognition, our solutions provide a circle of trust around all aspects of an identity and the credentials assigned to it -- including proofing, enrollment, issuance, usage and access control. ...

L-1 Identity Solutions Receives $5.9 Million Driver's License Contract Expansion from the State of Mississippi

... and assets. Leveraging the industry's most advanced multi-modal biometric platform for finger, face and iris recognition, our solutions provide a circle of trust around all aspects of an identity and the credentials assigned to it -- including proofing, enrollment, issuance, usage and access control. ...

FAS honors Mark D. Levine with 2008 Public Service Award

... own emissions," said Arthur Rosenfeld, commissioner of the California Energy Commission and Chairman of the FAS Board of Directors. "It's a vicious circle that Mark and the China Energy Group are trying to break." In addition to his continuing role in leading the China Energy Group at Lawrence ...

USGS news: August science picks

... in natural science) 90 Billion Barrels of Oil and 1,670 Trillion Cubic Feet of Natural Gas Assessed in the Arctic The area north of the Arctic circle has an estimated 90 billion barrels of undiscovered, technically recoverable oil, 1,670 trillion cubic feet of technically recoverable natural gas, ...

L-1 Identity Solutions Completes Acquisition of the ID Systems Business from Digimarc Corporation

... and assets. Leveraging the industry's most advanced multi-modal biometric platform for finger, face and iris recognition, our solutions provide a circle of trust around all aspects of an identity and the credentials assigned to it -- including proofing, enrollment, issuance and usage. With the trust ...

Microbe diet key to carbon dioxide release

... that the pattern of carbon dioxide release into the atmosphere through decomposition is governed by the same properties everywhere, from the Arctic circle to tropical rain forests," said first author Stefano Manzoni, a Ph.D. candidate in civil and environmental engineering who works in the laboratory of ...

L-1 Identity Solutions to Hold Supplemental Second Quarter 2008 Financial Results Q&A Conference Call at 2:00p.m. (ET) Today

... and assets. Leveraging the industry's most advanced multi-modal biometric platform for finger, face and iris recognition, our solutions provide a circle of trust around all aspects of an identity and the credentials assigned to it -- including proofing, enrollment, issuance and usage. With the trust ...

Milkweed's evolutionary approach to caterpillars: Counter appetite with fast repair

... of sticky paint thrown into your face," said Agrawal. Some caterpillars, in turn, have adapted by shaving the leaf, cutting a leaf's veins in a circle and then eating in the middle where the latex doesn't flow. Also, the monarch caterpillar has become immune to the cardenolides. Using DNA ...

Digimarc Board Approves $310 Million All-Cash Offer from L-1 Identity Solutions for Digimarc's ID Systems Business

... and assets. Leveraging the industry's most advanced multi-modal biometric platform for finger, face and iris recognition, our solutions provide a circle of trust around all aspects of an identity and the credentials assigned to it -- including proofing, enrollment, issuance and usage. With the trust ...

Scientists find 245 million-year-old burrows of land vertebrates in Antarctica

... have been ice free. However temperatures still would have been quite cold, since both areas where the burrows were found are within the Antarctic circle and so experience at least one day a year of complete darkness. "We have documented that tetrapods were burrowing, making dens in Antarctica, ...

Addressing the 'nitrogen cascade'

... scientists and is a well-known public policy issue, the problem of excessive reactive nitrogen in the environment is little-known beyond a growing circle of environmental scientists who study how the element cycles through the environment and negatively alters local and global ecosystems and ...

'Smart' greenhouse research partnership unveiled

... 2005. A nonprofit garden, the institution is a national leader in urban horticulture and botanical education. From its 10-acre campus in University circle to three inner-city learning gardens and dozens of outdoor classrooms at area schools, the Garden has introduced the benefits of gardening to ...

Flying off course

... ornithologists in Central Europe around a thousand times between 1836 and 1991. This species breeds in the Siberian taiga south of the Arctic circle and overwinters in the subtropics and tropics of South-East Asia. The other Asian leaf-warbler species were observed much less frequently, if at all, ...

CSHL scientists identify a mechanism that helps fruit flies lock-in memories

... Dubnau noted, because the original hypothesis about Pumilio was extended by computations to make further predictions, which were then brought full circle and tested in vitro, in the lab and in vivo, in living flies. "It's the kind of interdisciplinary collaboration that Cold Spring Harbor is very good ...

In diatom, scientists find genes that may level engineering hurdle

... the DNA chip he helped develop the very one used to gather data for this research project. Its like the Lion King song, he says. You know, the circle of life. ...

UW scientists unravel critical genetic puzzle for flu virus replication

... pattern abutting the membrane of the virus. They are always arranged in a circle of seven surrounding another segment for a total of eight RNA fragments. ... virus particles, when observed as a cross section, always displayed the circle of seven RNA fragments surrounding another segment pattern. "No one has ...

One species, many genomes

... strain of this small mustard plant, a favorite of many plant biologists. Which detailed differences distinguish the genomes of strains from the polar circle or the subtropics, from America, Africa or Asia has been investigated for the first time by research teams from Tübingen, Germany, and California ...

Breakthrough developments in rheumatoid arthritis reported

... the human genome – to figure out what makes these people susceptible to the disabling inflammatory condition. Dr. Gregersen has finally closed the circle between key genes identified in his laboratory at the Robert S. Boas Center for Genomics and Human Genetics at The Feinstein Institute for Medical ...

Small, self-controlled planes combine plant pathology and engineering

... UAVs maintain a very precise sampling path. We can establish a GPS waypoint in the center of an agricultural field, and the autonomous plane can circle around the waypoint at a set altitude, with about a meter variation up and down. Second, the autonomous technology enables us to have coordinated ...

Bacterial response to oxidation studied as toxin barometer

... oxidative toxin,?Love said. Ikuma, who was an undergraduate biology student at Virginia Tech when she began working with Love, has now come full circle from a biology student working on a civil engineering research project to an engineering student working on a biology project. She will deliver the ...

Ring-around-the-cell

... other. "The podosomes are like folk dancers," says Geiger. "As soon as the music starts up, they join hands and form a tight circle. From afar, a circle of dancers looks like a blur, but now we have managed to make out the individual dancers." Addadi points out that, from above, isolated ...

Rearing an army to save wheat

... "There are larger areas of sawfly damage all along the Golden Triangle, the northern tier of Montana counties as well as the area around Lewistown, circle and Jordan," Weaver said. Currently, MSU is specifically partnering with MSU Extension county agents to redistribute and monitor populations of ...

Train your brain to hear your friends at a party

... sounds much better. The Oxford study placed healthy ferrets in a "ring of sound" where a sound is played from one of 12 speakers placed in a circle around the ferret and their response is monitored to see if they can detect which speaker the sound is coming from. Ferrets with normal hearing are ...

Seals protect brain, conserve oxygen by turning off shivering response on icy dives

... 8-11. The researchers, Arnoldus Schytte Blix, Petter H. Kvadsheim and Lars P. Folkow hail from the University of Tromsø, located above the Arctic circle in Tromsø, Norway. The research provides insight into how seals allow their bodies to cool (become hypothermic) during a dive, presumably to ...

Shrinking ponds signal warmer, dryer Alaska

... rarely experiences a cloudless day, said Verbyla. The most difficult part of the four-year project, said Riordan, was "having the patience to circle 10,000 ponds for each time period." The main study area was the subarctic boreal region of Interior Alaska, which spans more than 5 million ...

APS lecturer shows rare video of 'teacher-student' immune cell interactions in live animal

... node, many T cells stop by before one is able to recognize it. "The system, while cumbersome, works because of the amazing trafficking where they circle around and look for the presence of anything that might tickle their antigen receptor," von Andrian said. If the T cells don't recognize the ...

Uncovering sex-change secrets of black sea bass

... of the University of New Hampshire campus, David Berlinsky, assistant professor of zoology, peers into a big blue plastic tub. Inside, black sea bass circle slowly in the dim light. The converted barn is now an aquaculture research facility for the College of Life Sciences and Agriculture, and home to ...

Sea coral's trick helps scientists tag proteins

... the equipment needed to generate ultraviolet light can be expensive and in short supply. "We anticipate that Dendra will broaden considerably the circle of PAFP users," he said. ...

Horseshoe crab decline threatens shorebird species

... Each year, the red knot, a medium-sized shorebird, makes a 20,000-mile round-trip from the southern tip of Argentina to the Artic circle ?one of the longest migrations of any bird. And each year from April to June, the red knot stops over in the Delaware Bay to feed on horseshoe crab ...