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Warming oceans may be choking off oxygen to starfish, causing them to ‘drown’

Warming ocean temperatures are fueling increases in organic material and bacteria that suck up oxygen in these watery habitats.

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Climate Change: Low oxygen levels in lakes and reservoirs may accelerate global change

Beaverdam Reservoir in Vinton, Virginia. Photo courtesy of Alexandria Hounshell. view more  Credit Image: Alexandria Hounshell Because of land use and climate change, lakes and reservoirs globally are …

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Mars colonists could get fuel and oxygen from water on the Red Planet

Colonists on Mars could one day generate fuel and oxygen from saltwater on the Red Planet, a new study finds. The novel technology behind this advance could also help submarines generate oxygen from …

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Faster detection of photocatalyst-generated oxygen has big implications for clean energy

Currently, the majority of energy consumed by the world’s population is derived from oil and other non-renewable resources which are in danger of running out in the near future. Consequently the …

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Can oxygen pump breathe life into ocean ‘dead zone?’

Aquatic “dead zones” are a tragic illustration of human beings’ negative impact on the world’s oceans. They are areas so overloaded with pollutants that they have difficulty sustaining any …

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When Leaves Fall, So Can Lake Oxygen Levels

While autumn is an especially spectacular season in North Idaho, the colorful leaves decorating our trees can threaten our lakes and rivers once they fall to the ground. Organic debris, like leaves, …

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Scientists reveal new clues into how Earth got its oxygen

For much of Earth’s four and a half billion years, the planet was barren and inhospitable; it wasn’t until the world acquired its blanket of oxygen that multicellular life could really get going. But …

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UChicago scientists reveal new clues into how Earth got its oxygen

An innovative technique reveals new information about the role of oceanic iron in the rise of Earth’s atmosphere—and can even shed light on the search for habitable planets in other star systems.

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Deep-Ocean Oxygen May Increase with Climate Change

A millennial-scale ocean simulation indicates that oxygen gains in the deep ocean may offset oxygen losses in the upper water layer under a protracted climate change scenario.

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Study of ancient rocks suggests oxygen depletion in oceans led to end-Triassic mass extinction

A team of researchers from the U.K., China, and Italy has found evidence that suggests oxygen depletion in the world’s oceans led to the end-Triassic mass extinction. In their paper published in the …

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