cold

The secret to longevity in tubeworms

... of bacteria and archaea that live in the deep sea cold sediments surrounding the seep where the worm lives. These chemoautotrophs use energy from hydrocarbons to reduce sulfate to sulfide, which L. luymesi absorbs through its unique "roots," extensions of its body that it tunnels into the sediments. Howe...

The secret lives of whales

... Because of their ability to break down lipids in cold water, these animals and their bacterial garden may hold a key to better cold water washing detergents. But more importantly, study of whale worms and other whale-fall species he...

Dinosaur DNA? New Patent Covers Degraded DNA recovery

...ves criminal investigators another tool to re-open cold cases or revisit crime scenes, stringing together strands of detached DNA into a genetic trail that could solve a crime or exonerate the falsely accused," says Dr. Ensley. This patent is part of a scientific progression that began in 1989 when DNA w...

Breast-Cancer Risk Linked to Exposure to Traffic Emissions at Menarche, First Birth

...urrogate for total PAH exposure. Cruise emissions, cold engine emissions and intersection emissions were used to estimate total traffic PAH emissions. In addition, meteorological information was used in a geographic dispersion model to determine PAH exposure at each participant's residence. While the re...

World-first Living Donor Islet Cell Transplant A Success; Procedure Offers Promise For Diabetics

...nors. Those islets are often severely injured from cold storage, transport time and the pancreas is severely damaged by toxins which circulate in the blood stream after brain death." "Our expectation is that these islets from near-perfect organs will work better, although it's too early to tell," he says...

Researchers discover molecular mechanism that desensitizes us to cold

...d how the membrane protein that allows us to sense cold works and how this protein becomes desensitized so... Neuroscience, focused on a specific region of the cold receptor which is found in many other receptors, including ones involved in taste, vision and fertil...

Chemists identify immune system mechanism for methamphetamine binges

...ng over-the-counter drug ingredients, particularly cold and allergy medicines. Available as a powder or crystal, the drug can be injected, snorted, swallowed and smoked to provide users with a sense of euphoria. Drug effects can last for up to 12 hours. Frequent use is associated with serious health probl...

WHO Warns Of Increased Risk Of Vector-borne Diseases In Tsunami-affected Areas

...ng on the skin or from the nose or gums, sweating, cold skin are danger signs. If any one of them is noticed, the patient should be taken to a hospital immediately. * The patient should be given fluids to drink during transfer to the hospital. * The patient should be provided nutritious food and f...

New lab technique identifies high levels of pathogens in therapy pool

...actices, including closed doors and windows during cold periods, said Pace. Since the study, the rate of air exchange in the pool area has been increased and additional air filters have been installed that have been shown to capture and remove up to 95 percent of "Mycobacterium avium" aerosols. A 2004 st...

Anti cancer virotherapy well tolerated in first human administration, research finds

...d anti-cancer therapy based on the use of a common cold virus to control cancer cell growth has begun safety testing in human subjects. The research was presented to the third International Meeting on Replicating Oncolytic Virus Therapeutics, on Friday 11 March by Newcastle University associate professor...

Canada approves marijuana-based pain spray

... descriptions of neuropathic pain are of freezing, cold or burning sensations usually of the limbs and most often of the lower extremities.5 Many individuals with neuropathic pain respond inadequately to current treatment options.6,7 “It’s hard to explain to someone who has never felt this type of pain. ...

Anammox bacteria produce nitrogen gas in oceans' snackbar

...current system leads to upwelling of nutrient-rich cold water off the coast of Namibia and acts as a kind of snackbar in the tropical ocean, which is visited by many animals including giant whales. The newly discovered anammox bacteria remove ammonium from the ocean, which as a result can not be taken up ...

Turning viruses into allies against cancer

...virus, responsible for those lip blisters known as cold sores. In studies presented this week at the 96th meeting of the American Association for Cancer Research (AACR), researchers describe their latest studies with their engineered versions of these viruses. Cold Sore Virus Modified to Halt Growth and...

Advancements In Genomics Foster Deep Sea Discoveries

...reatures, they wondered, could withstand the dark, cold and extreme pressure of such an environment? Rese...he first genetic blueprint for bacterial life in a cold deep-sea environment. They also presented a detailed analysis of how the bacteria’s genetic makeup ...

Elephant seal pups suffer from ocean warming

...y. "Despite ranging widely and foraging deeply in cold waters beyond coastal thermoclines in the northeastern Pacific, elephant seals are impacted significantly by ocean thermal dynamics", conclude the authors. Le Boeuf and Crocker add that monitoring the mean weaning weight of elephant seal pups can th...

Activation of thermoreceptors mediates raw garlic's burning pungency

...ili peppers, whereas TRPA1 is activated by noxious cold and by pungent compounds found in cinnamon oil, mustard oil, and wintergreen oil. These past findings, as well as the present work, indicate that thermosensitive TRP channels play a key role in the phenomenon of chemesthesis (the somatosensory contri...

Scripps scientists find potential for catastrophic shifts in Pacific ecosystems

...oaches. "The dynamics are the same during warm and cold periods, thus they are not true regimes," said Sugihara of the Physical Oceanography Research Division at Scripps. This is at least true for these data from the 20th century. "Finding nonlinearity is fundamental for understanding and managing change...

Currents could disrupt ocean food chain

...appened surprisingly fast. The climate went from a cold state to a warm state in as little as 20 to 50 years. Surface temperatures in Greenland increased 20 to 30 degrees Fahrenheit and water temperatures increased 10 to 20 degrees." Schmittner said the impact of the current on the Pacific Ocean generall...

Molecular thermometers on skin cells detect heat and camphor

...s are "molecular thermometers" that detect hot and cold temperatures through the skin and communicate the ...a particular temperature range--from the extremely cold to the extremely hot. TRPV3, for instance, becomes activated at warm and hot temperatures of 33° C (...

Hydrogen and methane provide raw energy for life at 'Lost City'

...ks like dark, billowing smoke when it hits the icy cold seawater. Carbonate minerals from fluids at Lost City drape nearby cliffs in brilliant white and form vents ranging in shape from tiny toadstools to the 18-story column, named Poseidon, which dwarfs most known black smoker vents by at least 100 feet...

Mice brains shrink during winter, impairing some learning and memory

...elp the mice conserve energy to survive during the cold winter season when food is scarce and conditions are harsh. "The brain uses a lot of energy relative to its weight," Nelson said. "Like many mammals, mice need to reduce their energy costs during winter, and the brain is a good place to do that." A...

Does vitamin C help prevent or treat the common cold? Maybe not, after all.

... people to believe in the value of the vitamin for cold prevention and treatment. But an article in this m...e best quality studies on vitamin C and the common cold done over the last 65 years. All of these studies compared a daily dose of 200mg of vitamin C or mor...

Researchers use 3-D imaging system to unveil swimming behavior of microscopic plankton

...adients that occur across downwelling fronts where cold and warm waters meet. Vertical currents are common in many oceanic regions, including mid-ocean fronts, shelf breaks, submarine canyons and submerged banks. "That small zooplankton are capable of remaining at a constant depth with a precision of cen...

Attacks of King George III's madness linked to key metabolism molecule

..." of brown fat cells that help prevent damage from cold in certain animals. With their intimate knowledge of PGC-1 alpha and its varied roles in energy metabolism, the Dana-Farber researchers wondered if it might be involved in porphyria, since PGC-1 alpha is a regulator of heme manufacture in the liver...

Doctors should stop prescribing antibiotics for the common cold, review advises

...ould not be prescribed to patients with the common cold because there is scant evidence they stop other in...idence of high usage of antibiotics for the common cold in spite of doubts about the efficacy of such therapy." The review appears in the current issue of T...

Elevated temperature enhances success of viral cancer therapy

...ed virus similar to the one that causes the common cold has shown promise in clinical trials. Now, new research suggests that fever might be a useful weapon in the fight as well. The study, published in the July issue of Cancer Cell, demonstrates that tumor cells are even more sensitive to viral therapy a...

Industrial contaminants spread by seabirds in High Arctic, new Canadian study shows

...d are transported by air and ocean currents toward cold areas like the Arctic. "Some chemicals will build up in the food webs that comprise northern traditional diets," says Ms Kimpe. "As a result, some of our northern Canadian populations are among the most mercury and PCB-exposed people on the globe." ...

MERIS monitoring tracks planetary photosynthesis levels

...e average for Spain and Portugal, due to unusually cold and dry conditions at the beginning of the year, leading to plant stress. In the past the effects of the 2003 European drought were detected in a similar way, but in the absence of any long-term continental-scale perspective on vegetation growth. F...

Clear rules needed to govern deep sea bioprospecting: UNU

...and sensitive ecosystems, which include seamounts, cold seeps and hydrothermal vents ?the latter considere...ose particularly sensitive to disturbances such as cold seeps and seamounts. "While it is impossible to quantify the damage caused by such research on the ...

A Father’s Day Gift: Free DNA Paternity Testing

...and sensitive ecosystems, which include seamounts, cold seeps and hydrothermal vents ?the latter considere...ose particularly sensitive to disturbances such as cold seeps and seamounts. "While it is impossible to quantify the damage caused by such research on the ...

Biota makes major antiviral discovery

...he company's recent decision to advance its common cold (human rhinovirus, HRV) drug candidate into clinical development following a similarly successful in-house research program. ...

Study uncovers dirty little secret: Soil emissions are much-bigger-than-expected component of air pollution

...ing season, spurred by warmer temperatures after a cold winter, but also perhaps magnified by fertilizer use. "The soil emissions were much larger than we expected," she said. "The biggest areas were the dry topical regions like the Sahel, and in the mid-latitude regions where there is a lot of agricultu...

Scientists use gene transfer technology and common virus to block neuropathic pain in animals

... herpes simplex or HSV ?the same virus that causes cold sores and genital herpes. The scientists use a disabled form of the virus, called a vector, to deliver genes to the nucleus of neural cells. A study published today in the June, 2005 of the Annals of Neurology describes how laboratory rats with nerv...

Lactose intolerance linked to ancestral environment

...t adults whose ancestors lived in very hot or very cold climates that couldn't support dairy herding or in places where deadly diseases of cattle were present before 1900, such as in Africa and many parts of Asia, do not have the ability to digest milk after infancy. "The implication is that harsh climat...

Scientists use gene transfer technology and common virus to block neuropathic pain

... herpes simplex or HSV ?the same virus that causes cold sores and genital herpes. The scientists use a disabled form of the virus, called a vector, to deliver genes to the nucleus of neural cells. A study published today in the June, 2005 of the Annals of Neurology describes how laboratory rats with nerv...

Women feel more pain than men, research shows

...f volunteers exposed to a pain stimulus, such as a cold water bath, as well as field studies in clinics an...at a temperature of 1 - 2 degrees centigrade. The cold pressor tank allows researchers to monitor the pain threshold (the point at which volunteers first n...

Researchers find Amchitka seafood safe for now

...community in the Western Hemisphere, and worked in cold seas and heavy winds most of the time. * CRESP people, including those from UAF, made clear and unambiguous efforts consistently to reach out to affected Aleut communities as they defined their scientific plan and then included Aleuts on the expe...

Scientists crack 40-year-old DNA puzzle and point to 'hot soup' at the origin of life

...r the debate on whether life emerged from a hot or cold primordial soup. "There are still relics of a very old simple code hidden away in our DNA and in the structures of our cells," said Dr van den Elsen, who points to several aminoacyl-tRNA synthetases - molecules involved in protein synthesis - which ...

Anthrax stops body from fighting back, study shows

...Symptoms of inhalation anthrax resemble the common cold and progress to breathing problems, shock and often death, according to the CDC. But in the 2001 attacks, only half the 10 people who contracted inhalation anthrax died. The five other victims were diagnosed and treated earlier due to quick communic...

Seafloor creatures destroyed by ice action during ice ages

...an impressive feat against the odds as the extreme cold means that these animals respond much more slowly to the destruction of their habitat than elsewhere in the oceans. They have lower metabolic rates that lower their growth and reproductive rates. Elsewhere in the oceans, a brisingid starfish would re...

Gene therapy may protect normal tissues during radiation retreatment for lung cancer

...an impressive feat against the odds as the extreme cold means that these animals respond much more slowly to the destruction of their habitat than elsewhere in the oceans. They have lower metabolic rates that lower their growth and reproductive rates. Elsewhere in the oceans, a brisingid starfish would re...

Novel protein complex enables survival in hostile environment

...ning superheated water at 350 C (662 F) mixes with cold oxygen-containing water, creating cooler environments -- 48 to 94 C (118 to 200 F) -- where M. jannaschii can thrive. "This sulfide-oxygen mixture can also generate sulfite. Therefore, M. jannaschii experiences conditions that existed on early earth,...

Scientist measures role of science's coolest player: The snow

...s of permafrost-the permanently frozen soil of the cold north-are likely to expand in area. Without the insulating effect of snow, in other words, soils in colder regions of the world are in fact likely to get much colder. The surprising result has implications for the health of permafrost-associated ecos...

Alleged 40,000-year-old human footprints in Mexico much, much older than thought

...a for another test that, it turns out, throws more cold water on the footprint hypothesis came to Renne one morning in the shower. Many rocks retain evidence of their orientation at the moment they cool in the form of iron oxide grains magnetized in a direction parallel to the Earth's magnetic field at th...

Master genetic switch found for chronic pain

... lack of response to discomfort caused by heat and cold and inflammation. The researchers said that their ...e by subjecting the animals' hindpaw to either the cold of acetone or an uncomfortably warm plate (thermal); the uncomfortable prick of a filament (mechanic...

High-tech tags on marine animals yield valuable data for biologists and oceanographers

...n sea surface temperatures. Normally, upwelling of cold deep water brings nutrients into the coastal waters off California and supports a highly productive food web. But the 2004-05 season was marked by unusually warm water along the coast, and the sea lions were forced to change their diets and their for...

Study finds evolution doesn't always favor bigger animals

...e ratios and can more effectively conserve heat in cold environments. Similarly, smaller animals with larger surface to volume ratios are better adapted to warmer environments where they can more effectively dissipate heat. However, this simple relationship doesn't explain why ostracodes and other cold-...

World first research to speed up cure for ear infections

...a or most commonly by infection spread by a common cold or sore throat. LEHI's Senior Research Scientist Dr Reza Ghassemifar, said he was looking forward to starting the three-year research project after securing a $238,600 grant from the Garnett Passe and Rodney William Memorial Foundation. "With this ...

UF researchers develop ways to keep the bloom on the rose

...ear. "Our research has shown that keeping flowers cold as they move from the field to the florist is critical," said Terril Nell, who has been involved with the UF Institute of Food and Agricultural Sciences postharvest floral program for more than two decades. Growers and retailers also need to unders...

The diversity of marine life in the Gulf of Maine region is much greater than previously thought

...e corals with warm tropical waters rather than the cold Gulf of Maine. But the Gulf of Maine region hosts 14 known species of deepwater coral, some of which have only recently been found by Gulf of Maine scientists. Image on left: Gersemia rubiformis, Red Soft Coral. Photo © Andrew Martinez, used with p...

Epstein-Barr virus may be associated with multiple sclerosis

... blood samples, which were processed and stored at cold temperatures. Between 1995 and 1999, the researchers searched medical records maintained by the health plan and selected 42 individuals with MS who had blood samples in storage. Three people with blood samples but without MS were matched to each MS...

Big hips, big belly? It's in your genes, Joslin-led study shows

... blood samples, which were processed and stored at cold temperatures. Between 1995 and 1999, the researchers searched medical records maintained by the health plan and selected 42 individuals with MS who had blood samples in storage. Three people with blood samples but without MS were matched to each MS...

Unraveling the viral mechanism

...maller than the herpes simplex virus, which causes cold sores and related infections. That means it should be possible to use these tools to understand better how this and similar viruses infect nerve cells and, some day, interrupt that disease process. The advance occurred because of innovations in comp...

Possible brain hormone may unlock mystery of hibernation

...ic damage." In cryosurgery, physicians use extreme cold to destroy abnormal tissue, such as cancerous tumors. ...

UCR researchers design chip that can improve citrus varieties

...pens at the cellular level when oranges are put in cold storage after they are harvested, leading eventually to better methods of storage that improve fruit flavor." Manufactured by Affymetrix, Inc., the GeneChip® Citrus Genome Array is made up of a glass wafer on to which nearly one million different p...

Ocean acidification threatens cold-water coral ecosystems

...uggests that human activities could be threatening cold water reefs in another way. Lead researcher John .... In pre-industrial times, more than 95 percent of cold water reefs around the world were found in waters supersaturated with aragonite. However, this laye...

Better beetle sought for salt cedar control

... However,because of an early warm-up followed by a cold spell, they seem to be lessprolific this summer and haven't exploded in numbers. Dr. Jerry Michels, Experiment Station entomology research projectleader, and Carney are making new releases of the Uzbekistan beetle thisyear in the heavy salt cedar st...

Antarctic Treaty Meeting moves to protect frozen continent from non-native species

...ast, Antarctica was isolated with a very harsh and cold environment, which made it very difficult for non-native species to establish. However, more and more people are travelling to the continent, most of them on ships. Evidence from other parts of the world has shown that there is a direct link between ...

Mice lacking key immune component still control chronic viral infections

... viruses herpes simplex virus 1 and 2, which cause cold sores and genital herpes, and varicella zoster virus, which causes chickenpox. Infection with gamma herpes viruses such as EBV and KSHV increases the risk of some cancers, especially in persons with weakened immune systems. Immune system cells know...

Marine 'dead zone' off Oregon is spreading

...cross central Oregon waters. During normal years, cold water rich in nutrients but low in oxygen upwells from the deep ocean off Oregon, mixes with oxygen-rich water near the surface, causes some phytoplankton growth and provides the basis for a thriving fishery and healthy marine food chain. During dead...