New research strongly suggests that the distinct 'oxygenation events' that created Earth's breathable atmosphere happened spontaneously, rather than being a consequence of biological or tectonic revolutions.... PHYS.ORG · 6 months
Ancient rocks show high oxygen levels on Earth 2 billion years ago  SCIENCE DAILY · 3 weeks
Earth may have been far more oxygen-rich early in its history than previously thought, setting the stage for the evolution of complex life, according... more
AP PHOTOS: Volunteers flood Navajo Nation in virus outbreak  ABC NEWS · 3 weeks
Under the watchful eye of Agathla Peak and just south of Monument Valley on the Navajo reservation, the Kayenta Health Center struggled under an onslaught of COVID-19. The center's only... more
Dissolved oxygen from microalgae-gel patch promotes chronic wound healing in diabetes  Science Magazine · 3 weeks
Chronic wounds in diabetes undergo a lifetime risk of developing into diabetic foot ulcers. Oxygen is crucial to wound healing by regulating cell proliferation, migration, and... more
Ancient rocks show high oxygen levels on Earth two billion years ago  PHYS.ORG · 3 weeks
Earth may have been far more oxygen-rich early in its history than previously thought, setting the stage for the evolution of complex life, according... more
Cahokia's rise parallels onset of corn agriculture  PHYS.ORG · 3 weeks
Corn cultivation spread from Mesoamerica to what is now the American Southwest by about 4000 B.C., but how and when the crop made it to other parts of North America is still a subject... more
The revolt of the plants: The arctic melts when plants stop breathing  PHYS.ORG · 3 weeks
The vapor that plants emit when they breathe serves to lower land surface temperature, much like watering the yard on a hot day. Until... more
Time to kill the scientific zombie that is the 'nature vs. nurture' debate  PHYS.ORG · 3 weeks
A scientific article out of the University of Otago's Department of Zoology is calling for an end to the seemingly unkillable "nature... more
Ribs evolved for movement first, then co-opted for breathing  SCIENCE DAILY · 2 weeks
A major transformation in vertebrate evolution took place when breathing shifted from being driven by head and throat muscles -- like in fish and frogs -- to the torso --... more
Asymptomatic carriers transmit SARS-CoV-2 with normal breathing  NEWS MEDICAL · 1 month
The coronavirus disease (COVID-19) first emerged in a seafood market in Wuhan City, Hubei Province, China, in December 2019. Since then, it has spread to 187 countries, infecting more than 3.58 million people. The... more
Panasonic team develops prototype breathing devices to help hospitalized COVID-19 patients  NEWS MEDICAL · 2 weeks
The team at Panasonic Manufacturing UK’s facility in Cardiff have produced 80 prototype breathing devices to assist hospital patients suffering from COVID-19. more
Chromium speciation in marine carbonates and implications on atmospheric oxygenation  PHYS.ORG · 3 weeks
The oxidation of Earth's early atmosphere and ocean played an important role in the evolution of life. Reconstructing the paleo-redox conditions is crucial for the understanding of the... more
Engineered algae: A novel oxygen-generating system for effective treatment of hypoxic cancer  Science Magazine · 2 weeks
Microalgae, a naturally present unicellular microorganism, can undergo light photosynthesis and have been used in biofuels, nutrition, etc. Here, we report that engineered live... more
‘Terminator’ protein suppresses tumorigenesis  NEWS MEDICAL · 8 hours
Essential processes in mammalian cells are controlled by proteins called transcription factors. For example, the transcription factor HIF-1 is triggered by a low-oxygen situation to cause the cell to adapt to decreased oxygen. more
Curiosity rover finds clues to chilly ancient Mars buried in rocks  PHYS.ORG · 2 weeks
By studying the chemical elements on Mars today—including carbon and oxygen—scientists can work backwards to piece together the history of a planet that once had the... more
Quantifying the impact of interventions in COVID-19 pandemic  SCIENCE DAILY · 3 weeks
Since the beginning of March, public life in Germany has been severely restricted due to the coronavirus pandemic. Following the encouraging decline in the number of new cases of COVID-19, the debate... more
Oxygen-excess oxides in Earth's mid-mantle facilitate the ascent of deep oxygen  PHYS.ORG · 1 week
Subduction of hydrous materials imposes great influence on the structure, dynamics, and evolution of our planet. However, it is largely unclear how subducting slabs chemically interact... more
Ribs evolved for movement first, then co-opted for breathing  PHYS.ORG · 2 weeks
When early tetrapods transitioned from water to land the way they breathed air underwent an evolutionary revolution. Fish use muscles in their head to pump water over their gills. The... more
Study the effect of long-term oxygen deficiency  PHYS.ORG · 3 weeks
Researchers at Luleå University of Technology have developed a method to study how muscle cells in the blood vessels of the lung permanently contract because of long-term oxygen deficiency. This phenomenon leads to increased... more
Towable sensor free-falls to measure vertical slices of ocean conditions  PHYS.ORG · 2 weeks
The motion of the ocean is often thought of in horizontal terms, for instance in the powerful currents that sweep around the planet, or the waves that ride... more
Efficient NIR-triggered nanocomposite developed for killing extensively drug-resistant Acinetobacter Baumannii  nanowerk · 3 weeks
The researchers found that the composite nanomaterial consisting of a photosensitizer and lanthanide-doped upconversion nanoparticles can accumulate on the surface of XDR-AB and produce reactive oxygen species such... more
Tipping points of Mississippi Delta marshes due to accelerated sea-level rise  Science Magazine · 2 weeks
Coastal marshes are threatened by relative sea-level (RSL) rise, yet recent studies predict marsh survival even under the high rates of RSL rise expected later in... more
A single proton can make a world of difference  PHYS.ORG · 7 days
Scientists from the RIKEN Nishina Center for Accelerator-Based Science and collaborators have shown that knocking out a single proton from a fluorine nucleus—transforming it into a neutron-rich isotope of oxygen—can... more
Untangling a key step in photosynthetic oxygen production  SCIENCE DAILY · 2 weeks
Researchers zeroed in on a key step of photosynthetic oxygen production. What they learned brings them one step closer to obtaining a complete picture of this natural process, which could inform the... more
Asia Today: China cases rise, students back, Disney reopens  ABC NEWS · 3 weeks
China reported another rise in coronavirus cases as the government reminded people to step up personal protection against the virus more
The Latest: UN warns cybercrime on rise during pandemic  ABC NEWS · 2 weeks
The U_N_ disarmament chief says the COVID-19 pandemic is moving the world toward increased technological innovation and online collaboration, but “cybercrime is also on the rise, with a 600% increase... more
Researchers develop new method to study the effect of long-term oxygen deficiency  NEWS MEDICAL · 3 weeks
Researchers at Luleå University of Technology have developed a method to study how muscle cells in the blood vessels of the lung, permanently contract... more
Reductive stress is intolerable, can induce heart failure  NEWS MEDICAL · 3 weeks
Many heart diseases are linked to oxidative stress, an overabundance of reactive oxygen species. The body reacts to reduce oxidative stress -- where the redox teeter-totter has gone too far up --... more
Untangling a key step in photosynthetic oxygen production  PHYS.ORG · 2 weeks
Photosystem II is a protein complex in plants, algae and cyanobacteria that is responsible for splitting water and producing the oxygen we breathe. Over the past few years, an international collaboration between... more
Ocean 'breathability' key to past, future habitat of West Coast marine species  SCIENCE DAILY · 3 weeks
Ocean breathability, which combines the oxygen levels, a species' oxygen needs and the water temperature, matches the shifts in northern anchovy populations from the... more
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