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Temperature in Biological News

AGU journal highlights -- Aug. 6, 2009

... seismic variation in the mantle be explained by temperature alone? New model shows how short-lived chemicals ... Furthermore, they find that LCC affect temperature only in the region where the land cover change ... seismic variation in the mantle be explained by temperature alone? The structure and dynamics of Earth's ...

Warmer environment means shorter lives for cold-blooded animals

... Stony Brook, N.Y., July 27, 2009 - temperature explains much of why cold-blooded organisms such ... of species whose body temperatures vary with the temperature of their surroundings, ambient temperature is the dominant factor controlling geographic ...

Army study improves ability to predict drinking water needs

... and duration, environmental conditions such as temperature and humidity, and types of clothing. They ... can be used in temperatures of 70-125 F, the same temperature range as the old equation, but now can predict ... complexity of predicting sweat loss, such as skin temperature and amount of energy expended. However, the ...

Your own private global warming

... and subjected them to increasing levels of water temperature to learn how each species is prepared to cope ... are already living really close to their upper temperature range, and that further increases caused by ... reached sexual maturity, their vulnerability to temperature change could seriously damage population levels ...

Evolution: Crabs go deep to avoid hot water

... week in the Journal of Biogeography , reveal temperature as a driving force behind the speciation and ... but that both groups can only reproduce when temperature is between 1C up to 13-15C. "It seems that ... in the deep sea seems to have narrowed the temperature tolerance range of the crabs where they have ...

Your own private global warming

... and subjected them to increasing levels of water temperature to learn how each species is prepared to cope ... are already living really close to their upper temperature range, and that further increases caused by ... reached sexual maturity, their vulnerability to temperature change could seriously damage population levels ...

Potential for non-invasive brain tumor treatment

... moving 3-D images and generate localized temperature increases. The researchers envision using this ... the chemotherapy directly to the tumor. "The temperature increase would be about four degrees Celsius ... the clarity of the images and ability to increase temperature with the same catheter, lead us to believe that ...

Jeepers creepers: Climate change threatens endangered honeycreepers

... conditions, especially seasonal changes in temperature and rainfall that increase or decrease mosquito ... Fahrenheit (2 degrees Centigrade) raise in temperature occurs. "With this kind of temperature change, about 60 to 96 percent of the ...

Two new studies on circadian rhythms

... , offers insight into a longstanding puzzle of temperature compensation: why the 24-hour circadian rhythm does not change with temperature when metabolism is so affected. A related ... a range of temperatures. This phenomenon, called temperature compensation, is one of the few canonical ...

Drugs needed to preserve eggs for reproduction need to be given in stages

... with these drugs which must be given at room temperature when their toxicity levels are high. With ... He's found it dramatically reduces the temperature needed to reach the glasslike preserved state. In ... Dr. Eroglu says. Additionally, the more dramatic temperature shifts put additional stress on already stressed ...

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

... unseasonal frost and unusually large daytime temperature changes, forcing them to find alternative sources ... irrigation and crop variations; Andean Region: temperature changes in the Andean region have had a drastic ... Asian coastline Across Australia Beyond temperature flux, climate change is expected to alter the ...

AGU journal highlights -- March 25, 2009

... of coral reefs resulting from rising sea surface temperature and ocean acidification. Unlike previous studies, ... has been found to correlate strongly with temperature changes in the upper air. Osprey et al. compare ... detector in Soudan, Minnesota, with upper air temperature data from the European Centre for Medium Range ...

Making a point: Picoscale stability in a room-temperature AFM

... atomic-scale measurements must be made at room temperature in liquids. Atomic force microscopes (AFMs) ... sensitive to interference from acoustic noise, temperature shifts and vibration, among other factors. This ... they showed the long-term drift at room temperature was a mere 5 picometers per minute, a 100-fold ...

CEL-SCI Corporation to Launch Aseptic Filling for Stem Cell Produced Therapies and Other Biological Products

... Celsius fill, as opposed to the normal room temperature fill, significantly increases the probability of ... fill for us. The best they could do was turn the temperature down to 60 degrees Fahrenheit, without the needed ... activity if exposed to room or elevated temperature for various periods of time. These elevated ...

Crickets may predict human survivability during global warming

... General Circulation Models that predict rises in temperature over time with a sound biological model that ... life and reproduction cycles are triggered by temperature cues. When it gets colder, they lay diapause eggs ... generation of crickets that is enduring current temperature conditions and those expected in 2025 and 2050. ...

Lobster traps going high tech

... to their lobster pots that record bottom temperature and provide data that could help improve ocean ... in Portland, Maine. The data collected from temperature sensors on the lobster pots and from GPS surface ... which cost about $150 each, internally record temperature every hour around the clock while the pots are in ...

CO2 drop and global cooling caused Antarctic glacier to form

... Antarctic was accompanied by little to no global temperature change. This report shows that before the ... was a 5˚C - 10˚C drop in surface-water temperature during the climate transition. "Previous ... geophysics at Yale. "Our data demonstrate a clear temperature drop in both hemispheres during this time." ...

'Freaks' help scientist unravel nature and nurture

... too warm; the defect was caused by an incubation temperature that was too high. Similarly, a human may end up ... no such chromosomes. In such species, it is the temperature at which the eggs are incubated that determines ... So, when it comes to the system that creates sex, temperature and chromosomes are interchangeable. "Such ...

New equation of state of seawater

... of seawater as a function of Practical Salinity, temperature and pressure, have served the oceanographic ... function is a function of Absolute Salinity, temperature and pressure, which is a major departure from ... is stored in national databases (much as in situ temperature is stored in these databases), it is the new ...

Largest prehistoric snake on record discovered in Colombia

... used its size to make an estimate of Earth's temperature 58 to 60 million years ago in tropical South ... known of a rough correlation between an age's temperature and the size of its poikilotherms (cold-blooded ... 's size would have required an average annual temperature of 30 to 34C (86 to 93 F) to survive. By ...

At 2,500 pounds and 43 feet, prehistoric snake is the largest on record

... his collaborators to make an estimate of Earth's temperature 58 to 60 million years ago in an area encompassed ... a rough correlation between a period or epoch's temperature and the size of its poikilotherms (cold-blooded creatures). As the Earth's temperature increases, so does the upper size limit on ...

Climate change enhances grassland productivity

... anticipate that due to global warming the soil temperature there in the future will fluctuate more ... and continental climates, where the average air temperature in January is -1 C. On 30 of the 4m2 plots one ... (grasses and herbs) were planted. As soon as the temperature had remained continuously below 0 C for 48 hours ...

GKSS to invest 12 million euros ($15.48 million) in a new observation system for the North Sea

... and predict parameters such as currents, water temperature or algae concentration", explains Prof Franciscus ... conditions, salinity or oxygen levels, the temperature and motion of the sea or the concentration of ... change in the short and long term? How does a temperature rise affect the ecosystem? What controls the ...

Study links ecosystem changes in temperate lakes to climate warming

... in the lake algae and long-term changes in air temperature and ice-out records. The authors believe that, ... thresholds have already been crossed, even with temperature increases that are below projected future warming ... authors warn that if the rate and magnitude of temperature increases continue, it is likely that new ...

No quick or easy technological fix for climate change, researchers say

... gases trap additional heat and cause the Earth's temperature to rise, Turco noted. "One way to control the ... particle injections is that the Earth's temperature depends on the reflectivity of the atmosphere. ... If the albedo increases, the average global temperature decreases because less energy is available to ...

Purdue study suggests warmer temperatures could lead to a boom in corn pests

... University. The team incorporated the survival temperature thresholds of each species with a highly detailed ... Fahrenheit. It also requires six days at a temperature of about 55 degrees Fahrenheit to complete ... in this study should not be adversely affected by temperature increases. "The limiting factor for these ...

Study links ecosystem changes in temperate lakes to climate warming

... in the lake algae and long-term changes in air temperature and ice-out records. The authors believe that, ... thresholds have already been crossed, even with temperature increases that are below projected future warming ... authors warn that if the rate and magnitude of temperature increases continue, it is likely that new ...

December 2008 Geology and GSA Today media highlights

... within a couple of decades, the most striking temperature increase in the Northern Hemisphere high ... Atlantic also underwent a strong increase in temperature and salinity synchronous to the temperature change in Greenland. While the warming in the ...

UBC study establishes formula for predicting climate change impact on salmon stocks

... first to quantify a relationship between river temperature and salmon mortality rate, are published in the ... Creek sockeye stock. "We analyzed river temperature data and the sockeye's migration dates and found ... migratory run. Fish released from a high holding temperature were half as successful as those from colder ...

Global warming link to amphibian declines in doubt

... amphibian extinctions in Latin America and air temperature in the tropics," said Jason Rohr, lead author and ... difference between the lowest average daily temperature and the highest average daily temperature, and ... analysis revealed no such narrowing of temperature spans in the 1980s, when extinctions were ...

Very cold ice films in laboratory reveal mysteries of universe

... water has to be cooled to its glass transition temperature of about 130 K without ice crystals having formed ... and disorder, with many variants depending on the temperature at which freezing actually occurred. In his ... characteristic shapes associated with the temperature and pressure of freezing, also depending on the ...

Study confirms amphibians' ability to predict changes in biodiversity

... Whether one is traveling through a tropical or temperature region also influences how quickly the types of ... species may be more severely impacted by a given temperature increase as a result of climate change." For ... environmental changes over time such as ongoing temperature increases," said Buckley. ...

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

... loss due to climate change. Rapid changes in temperature which have led to changes in the timing of ... average of seven days earlier. Moreover, the mean temperature in the Concord area has risen 2.4 degrees Celsius ... degrees Celsius during the next 100 years. These temperature changes are linked to flowering times. ...

Global warming threatens Australia's iconic kangaroos

... Zoology finds that an increase in average temperature of only two degrees Celsius could have a ... three years of field observations to predict how temperature changes that are considered to be likely over the ... four species of kangaroos. They found that a temperature increase as small as a half-degree Celsius may ...

Warming world in range of dangerous consequences

... authority recently set as the threshold range of temperature increase that would lead to widespread loss of ... Therefore, the authors based their projections of temperature increase assuming the absence of these pollutants ... Panel on Climate Change identified a temperature increase range between 1 C and 3C (1.8 F and ...

Remote technology sees through ice, snow and hot air to monitor power plants

... use thermal infrared imagery to determine the temperature of the discharged hot water and passive microwave ... are working. They will explore ultrasound; temperature profiles of ice, water and air at fine spatial ... Salvaggio and his team are trying to measure the temperature of the hot air released from the tower. "This ...

Scientists point to forests for carbon storage solutions

... The scientists have recorded a rising average air temperature of almost 2 degrees Fahrenheit (1.1 degrees ... at the Michigan study site. The current average temperature is about 45 degrees Fahrenheit. Extending ... per acre. "We weren't surprised by the annual temperature increase, because that's happening everywhere, ...

Climate change threatens 1 in 5 plant species

... land use scenarios up to 2080 based on possible temperature increases of 2.2, 2.9 or 3.8 degrees Celsius. The ... effects in the simulations become greater as the temperature increases. With moderate warming of about 2.2 ... disproportionately to the projected increase in temperature argues in favour of the European Union's ...

Green roofs differ in building cooling, water handling capabilities

... Ecosystems. They continue to review real-time temperature and other data from the study. Wildflower ... a huge difference to have a 20-or-so degree temperature drop," Simmons said, noting that green roofs' ... lifespan of roofing material. An even greater temperature difference was found on roof surfaces, where ...

AGU journal highlights -- August 6, 2008

... One way to assess past temperatures is by using temperature measurements in deep boreholes, which are narrow ... ground. Because variations in the ground surface temperature over time affect the distribution of temperature in the subsurface, scientists can carefully ...
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