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Conditions in Biological News

AGU journal highlights -- Aug. 6, 2009

... Scientists generally believe that warm, wet conditions existed on Mars until only about 3.7 billion ... 3.4 billion years ago. The study indicates that conditions favorable for flowing water and lake formation ... been thought to be a period during which surface conditions did not allow significant hydrological activity. ...

Earliest animals lived in a lake environment, research shows

... that, for the smectite to form, requires specific conditions in the water conditions commonly found in salty, alkaline lakes." The ... early animals lived and what the environmental conditions were like for them important information for ...

Common allergy drug reduces obesity and diabetes in mice

... "immunology" anywhere. This is because metabolic conditions and immunologic conditions are, with a few exceptions, distant cousins. ... blood flow to the site. However, in certain conditions mast cells build up to levels far beyond what the ...

Scripps-led study shows ocean health plays vital role in coral reef recovery

... It shows that a little improvement in growing conditions goes a long way in recovering coral health." ... in warm tropical oceans under just the right conditions that include moderate temperatures and low ... Those that took longer to recover to pre-1998 conditions were from the Sapodilla Cayes in southern Belize ...

Army study improves ability to predict drinking water needs

... who exercised in the laboratory under varying conditions of work intensity and duration, environmental conditions such as temperature and humidity, and types of ... sweat predictions over a broader range of conditions with applications to public heath, military, ...

Impact of floods on soils

... United States examined the effects of harsh wet conditions on both cultivated and uncultivated soils, vastly ... of upland soils was decreased under reducing conditions from short-term water ponding. The decrease in ... and dissolved organic carbon under reducing conditions contributed to the decrease in aggregate ...

Impact of floods on soils

... United States examined the effects of harsh wet conditions on both cultivated and uncultivated soils, vastly ... of upland soils was decreased under reducing conditions from short-term water ponding. The decrease in ... and dissolved organic carbon under reducing conditions contributed to the decrease in aggregate ...

Better living through chemistry

... mud volcanoes in the Gulf of Mexico, where conditions may resemble those in extraterrestrial ... as Jupiter's Europa--where similarly extreme conditions may support microbiological life. "Here we ... bodies," said Joye. Adapting to Change conditions at mud volcanoes show tremendous short-term ...

April 2009 Geology and GSA Today media highlights

... steady, indicating that changes in environmental conditions did not necessarily coincide with major changes ... The vented CO 2 would have led to greenhouse conditions and intense global warming. Ganino and Arndt ... some parts of the seafloor to provide ideal conditions for reef-building organisms. This has been well ...

Water acts as catalyst in explosives

... up to 100,000 atmospheres of pressure, similar to conditions in the interiors of giant planets. While the ... Wu said. "As you compress it to the conditions you'd find in the interior of a planet, the ... storage to carbon fuel under PETN detonation conditions (temperatures between 3,000 Kelvin and 4,200 ...

February 2009 Geology and GSA Today media highlights

... global warming. In New Zealand, warm climate conditions were inferred for this time period from a wide ... climate modelers. Even under extreme greenhouse conditions of greater than 2000 parts per million of carbon ... not exceed 20 degrees Celsius. Anomalously warm conditions have also been reported for early Eocene records ...

Climate change's impact on invasive plants in Western US may create restoration opportunities

... the competitiveness of some invasive plants if conditions become climatically unsuitable to the weeds, ... all of the places in the U.S. where these climate conditions occur. Developing such models is important ... can use them to assess how changing climate conditions might affect the distributions of invasive ....

Consumers desire more genetic testing, but not designer babies

... for life altering and threatening medical conditions including mental retardation, blindness, ... These consumers were asked to indicate traits and conditions for which they would choose reproductive genetic ... 41.1%, 24.9%, and 19%) would choose testing for conditions that results in death by 20, 40, and 50 years of ...

The global impact of climate change on biodiversity

... change refuge". Species that begin to find conditions too hot (or dry) in the surrounding lowlands may be able to find suitable conditions by moving upwards on the slopes of this mountain. ... the lowland species are able to reach the cooler conditions that they may need," said Dr Jane Hill, ...

Study shows competition, not climate change, led to Neanderthal extinction

... their conclusion by reconstructing climatic conditions during this period and analyzing the distribution ... population and to determine if and how climatic conditions played a role in shaping these areas. In other ... footprint of one culture onto the environmental conditions of a later climatic phase―by comparing this ...

How healthy are America's coasts?

... Estuary Program, assessed America's coastal conditions using five indicators of condition: water ... has improved slightly since the 1990s. Coastal conditions improved in the Northeast and the West, but there were slight decreases in conditions in the Southeast and Gulf of Mexico. ...

How healthy are America's coasts?

... Estuary Program, assessed America's coastal conditions using five indicators of condition: water ... has improved slightly since the 1990s. Coastal conditions improved in the Northeast and the West, but there were slight decreases in conditions in the Southeast and Gulf of Mexico. ...

Proactive care saves lives of seniors, study finds

... OHSU. "Patients coping with two chronic health conditions are eight times as likely to die within a year as ... with no such illness. We also know that chronic conditions account for 83 percent of all healthcare spending ... Physicians referred patients with complex conditions to the nurse care manager who completed a patient ...

Vendee Globe route seen from above

... radar are being used to observe meteorological conditions in the track of the Vendee Globe solo ... in challenging regions of fast-changing metocean conditions such as the Canary Islands or the Saint Helene ... Globe takes sailors through severe wind and wave conditions in the Southern Ocean, which is also home to many ...

The medium is the message: Manipulating salmonella in spaceflight curtails infectiousness

... the bacteria in triple-enclosed containers under conditions of minimized gravity (or microgravity). ... in the laboratory, in which microgravitational conditions were simulated using a rotating wall vessel ... to undergo such a dramatic transformation under conditions of microgravity? At least part of the answer, ...

Key link in how plants adapt to climate discovered by Stanford researchers

... Bergmann said, but would also respond to those conditions by making fewer stomata. The result? Loss of ... that connects how a plant can sense environmental conditions with how this information is relayed to ... is in abundance and more when it is limited. If conditions change, this multi-faceted signaling system can ...

Bacterial biofilms as fossil makers

... lead author. "We did find, however, that certain conditions must be met if the bacteria are going to aid the ... is that bacteria able to survive in low-oxygen conditions must then infest the cells of the dying embryo," ... phosphate. We'll need to simulate different conditions to fully replicate this step." High resolution ...

Jupiter's shrinking red spot

... information on how wind, weather, and other local conditions contribute to the effectiveness of a cleanup ... or square-wave patterns, depending on the conditions and desired outcome, can greatly enhance mixing, ... in air and water and extended to Martian surface conditions predicted that the transitional particle diameter ...

Alpine rivers hold important clues for preserving biodiversity and coping with climate change

... but these rivers also embrace ecosystems and conditions that are found widely in other European rivers. ... make it possible to define the range of hydraulic conditions available to aquatic organisms within different ... to them, and how both may change when threshold conditions are reached. Achieving this in turn relies on ...

Very cold ice films in laboratory reveal mysteries of universe

... allowing physicists to create ice films in cold conditions similar to outer space and observe the detailed ... about the structure of ice films in astrophysical conditions at the mesoscale, which is the size just above ... Most intriguingly, ice under certain conditions produces biomimetic forms, meaning that they ...

Racial disparities in cardiovascular health linked to birth weight, slavery

... of the study, this may also be the result of conditions experienced by their ancestors during the period ... genetic, mechanisms. Current socio-economic conditions which are, on average, worse for ... but also, recent research indicates, on the conditions the mother faced as a child and even as a fetus. ...

Deep biosphere research points to new methods for recovering petroleum

... and pushed deeper into the Earth's crust. Harsh conditions on the journey to the deep Earth cause the ... carbon cycle. The team hypothesizes that conditions deep in the Earth might be good for complex ... suggests that hot water at high pressures - conditions we'd find in the subsurface - is actually a very ...

Egalitarian revolution in the Pleistocene?

... a conflict. Gavrilets and colleagues identified conditions under which alliances can emerge in the group: ... fashion. Even more surprisingly, under certain conditions (which include some cultural inheritance of ... group-wide egalitarian alliance should create conditions promoting the origin of conscience, moralistic ...

Army can boost mission success by better managing

... during planning, despite the effect environmental conditions can have on troop health, safety and security, ... organization. In countries where environmental conditions and infrastructure are severely degraded, clean ... roads, the report finds. Environmental conditions can also extend beyond national borders because ...

Flooding might help lower gas emission from wetlands

... research comparing pulsing vs. steady-flow conditions in two experimental wetlands on the Columbus campus. "Pulsing refers to a number of different conditions in wetlands river pulses that happen on a ... which researchers created two different kinds of conditions in two 2.5-acre experimental wetlands. In 2004, ...

Milk may help bacteria survive against low levels of antibiotics

... most of their experiments under laboratory conditions rather than mimicking the conditions found in living animals. This may mean that they ... Oliveira and her colleagues have used realistic conditions to overcome this problem. "We have discovered ...

Experts meet on need for new rules to govern world's fragile polar regions

... by the Exxon Valdez oil spill). The same conditions that contribute to high oil spill risks can also ... zones, "where particularly severe climatic conditions and the presence of ice covering such areas for ... such as: At what temperature are climatic conditions considered particularly severe? Do laws and ...

Racing cane toads reveals they get cold feet on Southern Australia invasion

... than 50 kms per year. However, the cooler, drier conditions around Sydney or Perth mean that toads can barely ... they couldn't move at all under typical weather conditions in Adelaide, Melbourne and Hobart. They found ... and warm dry summers. "These are perfect conditions for growing wine, but you are unlikely to meet a ...

September Geology and GSA Today media highlights

... approximately A.D. 1850), and inner-shelf reef conditions have purportedly deteriorated. However, the link ... during periods when warmer, moister climatic conditions prevailed. Decoding the signatures of past ... effect in which one group of microbes maintains conditions under which other groups die more quickly than ...

Climate change could be impetus for wars, other conflicts, expert says

... global warming will not only affect human living conditions but may also generate larger societal effects, by ... stability of societal structures. These degraded conditions could contribute to civil strife, and, worse, ... our culture is on a narrow window of climatic conditions for average temperature and precipitation," he ...

Pacific shellfish ready to invade Atlantic

... northern Atlantic that was interrupted by cooling conditions three million years ago, predict Geerat Vermeij, ... ice-free Arctic Ocean by 2050. That will restore conditions that last existed during the mid-Pliocene era ... Atlantic at that time, Vermeij said. When cold conditions returned, the Arctic route was cut off, mostly by ...

AGU journal highlights -- August 6, 2008

... 1. Recent African drought heralds drier conditions to come Human-induced climate change is projected to cause drier conditions in the midlatitudes. To assess whether the onset of drier conditions has already begun, Touchan et al. study newly ...

The emerging scientific discipline of aeroecology

... an increasing number of anthropogenic or man-made conditions and structures, notably lighted towns and cities, ... which airborne organisms rely upon. These conditions are known to influence navigational cues, sources ... immediately influenced by changing atmospheric conditions ( e.g. winds, air density, precipitation, air ...

August 2008 Geology and GSA Today media highlights

... Hydrothermal venting at pressure-temperature conditions above the critical point of seawater, 5S on the ... that could be sampled at temperature and pressure conditions at which seawater is a so-called supercritical ... to investigate mineral deposit formation at conditions that previously could only be simulated in the ...

Measuring the stress of forested areas

... of cutting down trees, plants used to shady conditions may be exposed to an excess of light. However, in ... and in summer, the light which under normal conditions would be a source of energy becomes excessive, given that the metabolism of the plants under these conditions is not able to assimilate it. This process is ...
Other Contents
(Date:10/16/2014)... and Mary,s Virginia Institute of Marine Science have ... Protection Agency to identify the streams and wetlands ... tools to help local governments and citizens conserve ... on a dataset of tidal-marsh observations first gathered ... this historical baseline can today,s researchers accurately map ...
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