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Antarctic microbes hold clue to Earth's oxygen

At the bottom of an icy Antarctic lake, a thin, slimy layer of bright green microbes is generating a tiny oasis of oxygen that might give a picture of what early Earth looked like before oxygen became...

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Warmer water leads to respiratory distress in aquatic animals

Warm water speeds up the animals' metabolic need for oxygen to such an extent that it causes them to suffer from fatal respiratory distress. A team of ecologists from Radboud University and Cardiff...

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Thousands of dead fish wash up on the banks of India river

Thousands of dead fish washed up on the banks of a polluted lake on Monday in India's southern technology hub of Bangalore.

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Salmon hearts get oxygen boost from enzyme

Salmon have an ace up their sleeve—or in their gills—when facing challenging conditions that could affect their hearts, according to a study led by a University of Guelph researcher.

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Oldest pine fossils reveal fiery past

Scientists have found the oldest fossils of the familiar pine tree that dominates Northern Hemisphere forests today.

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Oxygen depletion in the upper waters of the Southern Ocean during glacial...

Research published this week by an international team of scientists, including the British Antarctic Survey, provides new insights into how carbon dioxide changed in the oceans surrounding Antarctica...

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Ultrathin organic material enhances e-skin display

University of Tokyo researchers have developed an ultrathin, ultraflexible, protective layer and demonstrated its use by creating an air-stable, organic light-emitting diode (OLED) display. This...

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Baby fish are comforted by the presence of large marine predators

Scientists have discovered that the presence of large fish predators can reduce stress on baby fish.‌

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Deep-sea biodiversity impacted by climate change's triple threat

A new study found that vulnerability of deep-sea biodiversity to climate change's triple threat - rising water temperatures, and decreased oxygen, and pH levels - is not uniform across the world's oceans.

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Acidification and low oxygen put fish in double jeopardy

Severe oxygen drops in the water can leave trails of fish kills in their wakes, but scientists thought adult fish would be more resilient to the second major threat in coastal waters: acidification. A...

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Polluted dust can impact ocean life thousands of miles away, study says

As climatologists closely monitor the impact of human activity on the world's oceans, researchers at the Georgia Institute of Technology have found yet another worrying trend impacting the health of...

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Before animals, evolution waited eons to inhale

A couple of times in four billion years, evolution has slowed to a crawl. And an eon or so has passed before more complex life forms, such as simple animals, could arise.

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Humble moss helped create our oxygen-rich atmosphere

The evolution of the first land plants including mosses may explain a long-standing mystery of how Earth's atmosphere became enriched with oxygen, according to an international study led by the...

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How plant roots sense and react to soil flooding

While we already knew that plant roots were capable of sensing many individual soil characteristics (water, nutrients and oxygen availability), we did not have any understanding of how they integrated...

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Ice core analyses indicates atmospheric oxygen levels have fallen 0.7 percent...

(Phys.org)—A small team of researchers with Princeton University has found evidence that suggests that the amount of oxygen in the Earth's atmosphere has dropped by 0.7 percent over the past 800,000...

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Study provides strongest evidence oxygen levels were key to early animal...

It has long puzzled scientists why, after 3 billion years of nothing more complex than algae, complex animals suddenly started to appear on Earth. Now, a team of researchers has put forward some of the...

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Blast of thin air can reset circadian clocks

We might not think of our circadian clock until we are jetlagged, but scientists continue to puzzle over what drives our biological timepiece. Now, a study published October 20 in Cell Metabolism has...

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Female fish judge males on DIY skills, study shows

Female fish judge males based on their ability to design nests best suited for the conditions of their environment, according to a new study by University of Leicester researchers.

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How single-celled organisms navigate to oxygen

A team of researchers has discovered that tiny clusters of single-celled organisms that inhabit the world's oceans and lakes, are capable of navigating their way to oxygen. Writing in e-Life scientists...

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Mice can smell oxygen

The genome of mice harbours more than 1000 odorant receptor genes, which enable them to smell myriad odours in their surroundings. Researchers at the Max Planck Research Unit for Neurogenetics in...

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