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Latest Oxygen Stories

Possibility Of A More Dynamic Biological Oxygen Cycle On The Early Earth Than Previously Thought
2013-04-25 10:22:56

University of California, Riverside A research team of biogeochemists at the University of California, Riverside has provided a new view on the relationship between the earliest accumulation of oxygen in the atmosphere, arguably the most important biological event in Earth history, and its relationship to the sulfur cycle. A general consensus exists that appreciable oxygen first accumulated in Earth's atmosphere around 2.4 to 2.3 billion years ago. Though this paradigm is built upon a...

Oceanic Volcanoes Reveal Signs Of Ancient Earthen Crust
2013-04-25 07:27:13

April Flowers for redOrbit.com - Your Universe Online For a long time now, scientists have been convinced that lava that has erupted from certain oceanic volcanoes contains material from the crust of early Earth, but decisive evidence has been elusive. A new study, published in the journal Nature, reveals that oceanic volcanic rocks contain samples of recycled crust dating back to the Archean era 2.5 billion years ago. Oceanic crust sinks below the Earth's mantle where two tectonic...

2013-04-23 22:47:21

Air pollution from wildland fires and urban and agricultural areas in California is diminishing air quality at Devils Postpile National Monument, according to a recent study published in the journal Atmospheric Environment. Dr. Andrzej Bytnerowicz, a research ecologist from the U.S. Forest Service´s Pacific Southwest Research Station, and a team of scientists measured air quality at Devils Postpile National Monument in the eastern Sierra Nevada and found occasionally high...

All Possible Drug-like Chemical Compounds Mapped By Scientists
2013-04-23 09:00:43

Duke University Software builds "library" of millions of small, carbon-based molecules chemists might synthesize. Drug developers may have a new tool to search for more effective medications and new materials. It's a computer algorithm that can model and catalogue the entire set of lightweight, carbon-containing molecules that chemists could feasibly create in a lab. The small-molecule universe has more than 10^60 (that's 1 with 60 zeroes after it) chemical structures. Duke...

2013-04-17 23:01:12

Assurance Biosense, Inc announces that they have received FDA 510(k) clearance to send their unique nasal ala pulse oximetry sensor to market. Glastonbury, CT (PRWEB) April 17, 2013 Assurance Biosense Receives FDA 510(k) Clearance to Market Alar Sensor -Unique Nasal Ala Pulse Oximetry Sensor- -Alar Sensing Promises High-Levels of Accuracy, Stability and Monitoring Reliability- -Sensor Compatible with Large, Existing Installed Base of Pulse Oximeters- Assurance Biosense, Inc., a subsidiary...

2013-04-13 23:01:48

The Firm is currently investigating Zocor lawsuits on behalf of individuals who suffered serious Zocor side effects. New York, New York (PRWEB) April 13, 2013 Bernstein Liebhard LLP notes that a new study is raising additional concerns about possible Zocor side effects, specifically kidney damage. The study, which was published online on March 19 in the British Medical Journal, found that patients treated with higher doses of statins like Zocor were 34% more likely to be hospitalized...

2013-04-10 15:27:29

A research team from Birkbeck, University of London, Royal Holloway University and Uppsala University in Sweden, have helped explain how ozone causes severe respiratory problems and thousands of cases of premature death each year by attacking the fatty lining of our lungs. In a study published in Langmuir, the team used neutrons from the Institut Laue-Langevin in Grenoble and the UK's ISIS Neutron Source to observe how even a relatively low dose of ozone attacks lipid molecules that line...


Latest Oxygen Reference Libraries

Oxygen Therapy
2013-04-30 10:27:06

Oxygen therapy is known as the administration of oxygen as a medical intervention. It is indicated in patients whose oxygen supply is compromised due to both acute and chronic health conditions and can be administered in many different ways. Oxygen therapy can be administered virtually wherever the patient is. Most commonly, oxygen is delivered to patients in an ambulance, hospital, or doctor’s office. These medical facilities carry oxygen in the form of a compressed gas. It is stored...

Geologic Clock With Events And Periods
2012-11-18 19:08:04

The Paleoproterozoic is the first of three subdivisions of the Proterozoic Eon (occurring from 2.5 billion to 1.6 billion years ago (Ga). This period is marked by the first stabilization of the continents, and also when cyanobacteria--a type of bacteria that uses biochemical processes of photosynthesis to produce oxygen--evolved. Experts have found paleontological evidence that during at least part of the Paleoproterozoic era, about 1.8 Ga, the earth year was about 450 days long, with days...

Earth's Atmosphere
2004-10-19 04:45:44

Earth's Atmosphere -- Earth's atmosphere consists of nitrogen (78.1%) and oxygen (20.9%), with small amounts of argon (0.9%), carbon dioxide (variable, but around 0.035%), water vapor, and other gases. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation and reducing temperature extremes between day and night. 75% of the atmosphere exists within 11km of the planetary surface. Temperature and the Atmospheric Layers The temperature of the Earth's atmosphere...

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Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.