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Periodic in Biological News

Spontaneous assembly

... results provide valuable insight into how complex periodic patterns in biological systems can be generated ... "It is not widely appreciated that complex periodic patterns can spontaneously emerge from simple ... because its components display a nonrandom, periodic distribution in the cell membrane. ...

Super atoms turn the periodic table upside down

... similar to the outer layers of elements from the periodic table. The super atoms gave the periodic table a third dimension as it were, according to ... now are very similar to those of elements in the periodic table, because their outer layers are much the ...

Restless legs syndrome affects nearly 2 percent of US/UK children

... RLS is closely associated with another condition, periodic limb movement disorder, in which a persons legs jerk during sleep. Some people with periodic limb movement disorder also have RLS. Others lack ... for diagnosing children with RLS. A child who had periodic limb movements during sleep and no other symptoms ...

The mystery of mass extinctions is no longer murky

... If you are curious about Earth's periodic mass extinction events such as the sudden demise of the dinosaurs 65 ... over the course of geologic time, that is the primary cause of the world's periodic mass extinctions over the past 500 million years. "The expansions and ...

Massive California fires consistent with climate change

... load. But the warmth and other climatic forces are also going to create periodic droughts. If you get an ignition source during these periods, the fires ... than any in recent history. At that time, the scientists suggested that periodic increases in precipitation, in combination with higher temperatures and ...

Ethiopian government celebrates rinderpest eradication

... 90 percent of the cattle population in Ethiopia, where an estimated one-third of the human population starved to death. In the years that followed, periodic epidemics severely damaged the food supply and the economy. A vaccine commonly known as the Plowright vaccine could have wiped out rinderpest ...

American Chemical Society's Weekly Presspac -- June 17, 2009

... corresponding CAS Registry Number. The site currently contains approximately 7,800 chemicals of general interest as well as all 118 elements from the periodic table, providing alternative names, molecular structures, a Wikipedia link, and other information. From Chemical Abstracts Service (CAS) CAS ...

Innovative system for monitoring coastline processes

... the installation of a series of cameras located at strategic points along the littoral and which photograph the coastline in a programmed and periodic manner. This system, known as 'Kostasystem', is already in operation in the Bizkaian seaside town of Mundaka and will shortly be installed in Bakio. ...

American Chemical Society's Weekly PressPac -- June 3, 2009

... corresponding CAS Registry Number. The site currently contains approximately 7,800 chemicals of general interest as well as all 118 elements from the periodic table, providing alternative names, molecular structures, a Wikipedia link, and other information. From Chemical Abstracts Service (CAS) CAS ...

Boston University biomedical engineers teach bacteria to count

... might be added, for example, to glow red when the bacteria have counted to two, and green at three. The network's counting can be linked to any periodic signal from the outside world the bacteria can detect, or to an internal event, such as a protein only expressed at one point during each cell ...

American Chemical Society's Weekly PressPac -- May 20, 2009

... corresponding CAS Registry Number. The site currently contains approximately 7,800 chemicals of general interest as well as all 118 elements from the periodic table, providing alternative names, molecular structures, a Wikipedia link, and other information. From Chemical Abstracts Service (CAS) CAS ...

IPM reduces cockroaches and allergens in schools

... cockroaches and their allergens than conventional methods which do not use IPM. Unlike conventional pest-control methods, which often involve periodic spraying of insecticides on a predetermined schedule, IPM involves close monitoring for signs of specific pests, combined with baits and traps to ...

Allscripts Integrates Electronic Health Records with Innovative Patient Kiosk

... the patient at that time. While accessing the patient's medical record, reminders can be sent to the kiosk screen for future annual exams and other periodic checkups. The Allscripts Patient Kiosk is available now through Allscripts, which provides physician practices a full-service kiosk ...

Indigenous peoples at world summit to share climate change observations, coping techniques

... of dollars. While the move will be financed in part with government funds that would have been spent maintaining the existing village and on periodic emergency evacuations, NGOs say the relocation of Newtok marks an Arctic milestone the first official casualty among six Alaskan Inuit settlements ...

Global alliance of leading technological universities to address global societal issues

... academic institutions and the international media. The framework of the Alliance allows individual groups from the various universities to hold periodic meetings, where each meeting will be hosted by one of the universities, in their own country. Individual groups from the various universities working ...

Engineer devises ways to improve gas mileage

... embedded in the surface of the body (an airplane wing for example), and essentially perform injection and suction of the fluid from the surface in a periodic manner," said Agarwal. He has demonstrated that the transonic drag of an airplane wing can be reduced by 12 to 15 percent with the incorporation of ...

Earth's highest known microbial systems fueled by volcanic gases

... soils may be transient life transported and deposited by wind in the extreme environment of Socompa, with some organisms surviving to bloom during periodic pulses of water and nutrients, said Schmidt. "These sites are significantly less diverse," said Costello. "But the thing that really stands out ...

Entrust Announces Financial Results for Fourth-Quarter and Fiscal 2008

... in connection with the review of quarterly financial results, currency fluctuations, and the risk factors detailed from time to time in Entrust's periodic reports and registration statements filed with the Securities and Exchange Commission, including without limitation Entrust's Annual Report on Form ...

Study: Did early climate impact divert a new glacial age?

... effect of thousands of years of human influence on climate is preventing the world from entering a new glacial age, altering a clockwork rhythm of periodic cooling of the planet that extends back more than a million years. "This challenges the paradigm that things began changing with the Industrial ...

VUANCE Announces Crime Scene Security and Evidentiary Tracking Development Project

... consider the areas of risk described under the heading "Forward Looking Statements" and those factors captioned as "Risk Factors" in the Company's periodic reports under the Securities Exchange Act of 1934, as amended, or in connection with any forward-looking statements that may be made by the Company. ...

EPA and USDA should create new initiative to better monitor nutrients

... identifying additional watersheds for future NCII projects; providing advice on water-quality variables and statistical approaches; and producing periodic reports on basinwide water-quality assessments and project implementations. Lastly, the committee stressed that the new water quality center, ...

NSF grant to launch undergrads from Case Western Reserve into math and science teaching

... Post-graduation Follow-up Mentoring continues after graduation through web-based resources for interactive conferences. Students will have periodic opportunities to interact with mentors, faculty and peers after graduation. The university will chart the progress and success of these Noyce ...

A card-swipe for medical tests

... baseline with various health markers" tests for various diseases and disease susceptibilities. Then, people would monitor health changes by periodic re-testing in a doctor's office, pharmacy or perhaps at home. GMR sensors could provide rapid detection of porcine parvovirus, a respiratory ...

Wildflower declines in Thoreau's Concord woods are due to climate changes

... correlate with seasonable temperatures. This suggests that plant species that respond to temperature changes may be better at maintaining important periodic interactions with pollinators or better at avoiding negative interactions such as predation. The population declines of specific flowering ...

European researchers harness unique properties of boron to develop new drugs and diagnostics

... all spring from the fundamental chemical properties of boron. All life is derived ultimately from the element carbon, which lies next to boron in the periodic table of elements, their respective atomic numbers being six and five. Boron compounds share some similarities with carbon but also have important ...

Fires regenerate African grassland

... study to have investigated the complex interplay of the factors fire, competition, moisture and seed availability in relation to a grass species. periodic fires in semi-arid regions can lead to older tufts of grass disappearing, thereby making room for younger grasses. Writing in the Journal of Ecology, ...

Do 68 molecules hold the key to understanding disease?

... lipids. His work, which illustrates the primary composition of all cells, is published in the September issue of Nature Cell Biology . Like the periodic table of elements, first published in 1869 by Russian chemist Dmitri Mendeleev, is to chemistry, Marth's visual metaphor offers a new framework for ...

Study shows continued spread of 'dead zones'

... to water with too little oxygen for fish and other active organisms as "hypoxic." Diaz says that many ecosystems experience a progression in which periodic hypoxic events become seasonal and then, if nutrient inputs continue to increase, persistent. Earth's largest dead zone, in the Baltic Sea, ...

Old growth giants limited by water-pulling ability

... we see at the tops of very tall trees. The foliage is struggling to get enough water and seems to be under drought stress. It's not unusual to see periodic die-back at the tops of very tall Douglas-fir trees that are near their height limits." At a specific height determined by the physical structure ...

Birdsong not just for the birds

... signal are repeated at a frequency of 50 Hz, this is detected as the call of a Savi's warbler,' Daniel explains. The chaffinch detector also analyses periodic repetitions of elements like these. In doing so it reveals more of a typical verse structure than the pitch of the chaffinch's song. The Savi's ...

School of Robofish provides basis for underwater robot teams

... In the world of underwater robots, this is a team of pioneers. While most ocean robots require periodic communication with scientist or satellite intermediaries to share information, these can work cooperatively communicating only with each other. ...

Building on pyramids of trash

... Schuiling explains. He points out that a water-repellent coating would keep any leaching of materials from the pyramids to an absolute minimum, while periodic monitoring of the runoff could be used to control any potential hazardous leakage. "These pyramids, erected in prominent places, could serve as a ...

Saltwater sleuths: Seeking clues to help determine the ages of fish and shellfish populations

... occurring isotopes or bomb radiocarbon in longer-lived fishes. Age reading has an official name sclerochronology, defined as the study of periodic increments in skeletal organisms like shells, scales, otoliths and vertebra. While it is not as well known to the public as dendochronology, the ...

Disabling mouse enzyme increases fertility

... which is part of a feedback loop between the pituitary, the reproductive organs and the liver. The loop cycles up and down over time, producing periodic peaks in other reproductive hormones and triggering regular events such as the ovaries' release of eggs. For their study, Baenziger's laboratory ...

Crystal (eye) ball: Study says visual system equipped with 'future seeing powers'

... them, says Changizi, who is lead author on the paper. My research focused on systematizing these known incidents of failed future seeing into a periodic table of illusion classes that can predict a broad pattern of the illusions we might be subject to. More than meets the eye We experience ...

Argonne scientists use lasers to align molecules

... Fellow Linda Young said. "Using x-rays, we can investigate their properties in a totally new way." Crystallization allows scientists to create a periodic structure that will strongly diffract in specific directions when bombarded with x-rays. From the resulting diffraction pattern, a real-space image ...

Genetic 'tag team' keeps cells on cycle

... an abrupt halt without cyclin. Instead, while the yeast cells outwardly showed signs of the disruption and stopped dividing, nearly 70 percent of the periodic genes within them continued to turn on and off right on schedule. The result doesnt mean that cyclins arent important, Haase said, but there is ...

Climate modelers see modern echo in '30s Dust Bowl

... growth and climate change could worsen current food crises by leading to similar events in other regions. Recent studies indicate that periodic droughts in the western United States are controlled by naturally occurring periods of cool sea-surface water temperatures over the eastern tropical ...

Titanium Group to Attend Regional ICT Meeting in Thailand

... etc. Safe Harbor Provisions Certain oral statements made by management from time to time and certain statements contained in press releases and periodic reports issued by Titanium Group, Ltd. (the "Company"), as well as those contained herein, that are not historical facts are "forward-looking ...

Titanium Group Announces Contract for Security Solution in High-End Residentials

... etc. Safe Harbor Provisions Certain oral statements made by management from time to time and certain statements contained in press releases and periodic reports issued by Titanium Group, Ltd. (the "Company"), as well as those contained herein, that are not historical facts are "forward-looking ...
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