Temperature in Biological News

Elevated water temperature and acidity boost growth of key sea star species: UBC researchers

New research by zoologists at the University of British Columbia indicates that elevated water temperatures and heightened concentrations of carbon dioxide can dramatically increase the growth rate of a keystone species of sea star. The study is one of the first to look at the impact of ocean a...

Turtles alter nesting dates due to temperature change says ISU researcher

AMES, Iowa -- Turtles nesting along the Mississippi River and other areas are altering their nesting dates in response to rising temperatures, says a researcher from Iowa State University. Fred Janzen, a professor in ecology, evolution and organismal biology, has studied turtle nesting habits a...

Scientists compiled 20th century temperature data in Spain as evidence of climatic change

This release is available in Spanish . This research work is the first step to confirm the existence of a temperature change. Their main goal has been to detect the signs of the Climatic Change through the temperatures in Spain, explained to SINC the researcher of the department of Applied...

Scientists rebuild ancient proteins to reveal primordial Earth's temperature

GAINESVILLE, Fla. Using the genetic equivalent of an ancient thermometer, a team of scientists has determined that the Earth endured a massive cooling period between 500 million and 3.5 billion years ago. Reporting today (Feb. 7) in the journal Nature, researchers from the University of Florid...

Ocean temperature predicts spread of marine species

Scientists can predict how the distance marine larvae travel varies with ocean temperature ?a key component in conservation and management of fish, shellfish and other marine species ?according to a new study from the University of North Carolina at Chapel Hill. Most marine life, including commer...

Elevated temperature enhances success of viral cancer therapy

A therapeutic approach for battling cancer that is based on infection with a specially designed 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...

Highest ever winter water temperatures recorded

... taken by boat to measure nutrients, phytoplankton, and zooplankton (biomass and species composition). Satellite images indicate the surface water temperature over the continental shelf current is around 13 degrees, a degree or two warmer than at this time in recent years. The EAC has been a research focus f...

AGU journal highlights -- Aug. 6, 2009

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

Climate-caused biodiversity booms and busts in ancient plants and mammals

...imum (EECO), began about three million years later and included a long-term temperature increase coupled with a long-term rise in diversity. During that time, as mean annual temperature warmed from about 60 degrees Fahrenheit to 73 degrees Fahrenheit (15 degree...

Symposium to discuss geoengineering to fight climate change at the ESA Annual Meeting

...for Atmospheric Research argues that despite its potential to create overall cooling, atmospheric seeding could cause significant changes in localized temperature and precipitation. Her simulations also predict that sulfur seeding could destroy atmospheric ozone, leading to increased ultraviolet radiation reachi...

Plankton Power and RTDC announce proposed algae-to-biofuels pilot facility on Cape Cod

...s location close to the Cape Cod Canal would provide a convenient source of seawater as well as a renewable thermal energy source for algae growth and temperature control. We acknowledge the National Guard and the state of Massachusetts for providing critical support to this initiative." "The Cape Cod Alg...

August 2009 Geology and GSA Today media highlights

...ations is more difficult to determine, comparison with other climate records from the same region and time period suggest changes in precipitation and temperature may be the cause. These short-term cycles share similarities with other records documenting the pattern of El Nio events over the past 5000 years, whi...

Rodent size linked to human population and climate change

...as great as 50 percent over 80 years. Ten of the 15 traits were associated with changes in human population density, current temperature, or trends in temperature and precipitation. "Rapid change, contrary to previous opinion, really seems to be happening quite frequently in a number of locations around the w...

Humans 'damaging the oceans'

...of 5.5 degrees by the end of this century." Scientists expect ocean oxygen levels to decline by about six per cent for every one degree increase in temperature and areas in the sea which are low in oxygen to grow by at least 50 per cent. This has major implications for the world's most productive fishing wate...

Wildfires set to increase 50 percent by 2050

...ains, where the area of forest destroyed by wildfire is predicted to increase by 78% and 175% respectively. The research is based on a conservative temperature increase of 1.6 degrees Celsius over the next 40 years. Published in the Journal of Geophysical Research , scientists also say that the increase i...

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 a...e of species whose body temperatures vary with the temperature of their surroundings, ambient temperature is the dominant factor controlling geographic vari...

University has grand designs to build a house of straw

...und insulation qualities. Dr Katharine Beadle, the principle researcher on the project, explained: "We're putting sensors into the walls to monitor temperature and humidity levels, and using technology to simulate the heat and moisture generated by people." Craig White, Director of White Design and ModCell...

DOE-funded research projects win 46 R&D 100 Awards for 2009

...ute, Tennessee Valley Authority and PBS&J) PulseForge 3100 - uses rapid pulses of light for high-speed drying, curing, sintering or annealing high temperature materials on plastic and paper, enabling inexpensive and flexible electronics. With the PulseForge 3100, high intensity flashlamps briefly heat inks a...

Warming climate threatens California fruit and nut production

...ocal area. However, those mathematical models were calibrated based on past temperature conditions, and establishing chilling requirements may not remain valid in ...accurate projections of winter chill, the researchers used hourly and daily temperature records from 1950 and 2000, as well as 18 climate scenarios projected for l...

Scientists report first remote, underwater detection of harmful algae, toxins

...ns as well as marine life. Climate change is expected to exacerbate this trend, since many critical processes that govern HABs dynamics, such as water temperature and ocean circulation, are influenced by climate. A MBARI-designed robotic instrument called the Environmental Sample Processor, or 'ESP,' designed...

Climate change may spell demise of key salt marsh constituent

... "demonstrate that New England salt marsh pannes are extremely sensitive to temperature increases and will be driven to local and regional extinction with the temperature increases expected to occur in New England over the next century," Bertness...

New advance in revolutionary 'bullet fingerprinting' technique

...d the metal surface, a residue remains behind, this starts to react with the metal and an image of the fingerprint can be developed by use of elevated temperature and humidity, with the resultant image becoming a permanent feature on the surface of the metal." "Currently, fingerprint recovery from bullets is ...

New technique can fast-track better ionic liquids for biomass pre-treatments

...ways to break lignocellulosic biomass down into fermentable sugars. The use of ionic liquids - salts that are liquids rather than crystals at room temperature to dissolve lignocellulose and later help hydrolyze the resulting liquor into sugars, shows promise as a way of pre-treating biomass for a more effic...

Down Under dinosaur burrow discovery provides climate change clues

...one of the last times the Earth experienced global warming, with an average temperature of 68 degrees Fahrenheit about 10 degrees higher than today. During the polar winter, though, the temperature could plunge below freezing. Previously, researchers theorized that the sma...

Arctic climate under greenhouse conditions in the Late Cretaceous

... that supports "a wide body of evidence for low Arctic late Cretaceous winter temperatures rather than recent suggestions of a 15C mean annual temperature at this time." The size distribution of clay and sand grains in the sediment points to the formation of sea ice in shallow coastal seas during autumn ...

New way to make sensors that detect toxic chemicals

... oven, rinse it off and it's ready to use," he said. Of course, for the process to go smoothly, the researchers have to meet specific conditions of temperature and pressure, and leave the material in the pressure cooker for just the right amount of time. For this study, they set the pressure cooker to around ...

Army study improves ability to predict drinking water needs

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

When it comes to brain damage, blankets take the place of drugs

...uries or dangerously high fevers are often cooled to reduce their core body temperature to prevent further damage and aid healing. Unfortunately, cooling induces a...ponse - shivering. This shivering counteracts efforts to keep the patient's temperature low, causes physical stress, and is currently treated with sedatives and ot...

Your own private global warming

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

Pacific Northwest forests could store more carbon, help address greenhouse issues

... economic, ecological and land management issues come into play, the researchers said, and the recent study does not consider what effect increases in temperature or changes in precipitation might have on these lands, or the implications that might have for catastrophic forest fire. But looked at from nothing mo...

Evolution: Crabs go deep to avoid hot water

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

Your own private global warming

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

Energy-saving method checks refrigerant level in air conditioners

...me consuming." The new alternative works by using sensors to monitor the temperature of refrigerant at various points along the tubing in an air-conditioning un... these evaporation and condensing steps, the refrigerant undergoes dramatic temperature changes. Automotive air conditioning units equipped with the new refrige...

Research vessel Polarstern starts 24th Arctic season

... the region reacts extremely sensitive towards climate change. Moorings of long-term measurements are, among other things, exchanged there and data on temperature and salinity of the ocean are gained - long-term measurements of this kind are indispensible for climate related marine research. Examinations on geol...

Global sunscreen won't save corals

... Palo Alto, CA Emergency plans to counteract global warming by artificially shading the Earth from incoming sunlight might lower the planet's temperature a few degrees, but such "geoengineering" solutions would do little to stop the acidification of the world oceans that threatens coral reefs and other ...

University of Leicester geologists demonstrate extent of ancient ice age

...f ancient coastlines with evidence of sediments being deposited by glacial meltwaters or icerafting at high latitudes, and with chemical indicators of temperature in the strata. The team showed that although the Early Palaeozoic Icehouse was of similar extent and duration to the modern ice age, the workings o...

Potential for non-invasive brain tumor treatment

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

Sediment yields climate record for past half-million years

...eagues used the ratio of the isotopes oxygen-16 to oxygen-18 as a proxy for temperature in the records. The isotopes were stored in the remains of tiny sea creatur...re another first with their analysis of this sediment core a record of the temperature at the sea surface in the North Atlantic. They drew on knowledge readily...

Broecker: 'What we need are tougher measures against climate change'

...he exchange of gases such as CO 2 . And he was also the first to explore how the ocean's absorption of atmospheric CO 2 gives it a key role in global temperature regulation. More recently, his research has paved the way for another major finding: the fact that the Earth's climate can change abruptly in very...

Rainforest rehab in every sense

... Sophisticated sensors that measure leaf wetness, soil moisture and temperature are helping rehabilitate rainforest in the Springbrook World Heritage precinct in south-east Queensland. The CSIRO sensors are being used to uncov...