Hot rocks offer clues to life on ‘Snowball Earth’

Scientists braved the heat to answer a question about oxygen and "Snowball Earth," a period when the oceans virtually froze from the poles to the equator.

U. Melbourne | Dec. 4, 2019 | futurity
~8 mins   

Tags: science-and-technology early-earth ice-age oceans oxygen rocks

Volcanic eruptions might have given Earth its first oxygen

A new theory involving volcanoes may partly explain the appearance of the first oxygen on Earth 2.5 billion years ago, researchers say.

Jade Boyd-Rice | Dec. 3, 2019 | futurity
~7 mins   

Tags: science-and-technology alien-life carbon early-earth oceans oxygen tectonics volcanoes

The best fossils need a bit of fresh air to form

Scientists had thought that a lack of oxygen in Earth's oceans may have led to the world's best preserved fossils. New research suggests that's not true.

UT Austin | Nov. 6, 2019 | futurity
~5 mins   

Tags: science-and-technology fossils oceans oxygen

Cancer killer in iridium attacks tumor power sources

The new technique uses light to activate a compound in iridium to kill cancer cells, even when they've got an advantageous lack of oxygen.

Peter Thorley-Warwick | Sept. 26, 2019 | futurity
~6 mins   

Tags: health-and-medicine cancer iridium metals oxygen

Early animals shaped their own evolution via ‘Earth’s heartbeat’

A new measurement of "Earth's heartbeat," the dynamic between oxygen and the productivity on Earth, shows animals can regulate the planet's oxygen levels.

Amanda Nybroe Rohde-Copenhagen | Sept. 10, 2019 | futurity
~5 mins   

Tags: science-and-technology algae evolution oceans oxygen

Microbe apocalypse was bigger than the dinosaur die-off

Around 2 billion years ago, there was a mass die-off of microbes. Researchers say it rivals the loss of life from the dinosaurs' extinction.

Danielle Torrent Tucker-Stanford | Aug. 29, 2019 | futurity
~5 mins   

Tags: science-and-technology early-earth microbes oxygen

Tiny particles monitor oxygen during hydrogel healing

Microparticles can monitor oxygen levels in hydrogels that one day could be used to regrow muscle, cartilage, or organs.

Mike Williams-Rice | July 29, 2019 | futurity
~4 mins   

Tags: health-and-medicine cells hydrogels oxygen

Microbes in the Pacific Ocean survive on arsenic

"...it just shows how much is still out there in the ocean that we don't know."

Hannah Hickey-UW | May 7, 2019 | futurity
~5 mins   

Tags: science-and-technology arsenic microbes oceans oxygen

There’s a new ‘featherweight’ form of oxygen

Scientists have discovered the lightest-ever version of oxygen, with only three neutrons to its eight protons.

Talia Ogliore-WUSTL | April 7, 2019 | futurity
~3 mins   

Tags: science-and-technology chemistry oxygen physics

Fused mitochondria let dividing cells better use O2

Mitochondria join together to help cells to multiply in unexpected ways, finds research with potential relevance to cancer.

Talia Ogliore-WUSTL | March 4, 2019 | futurity
~6 mins   

Tags: featured health-and-medicine cancer cells mitochondria oxygen

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