Success rates for Everest climbers doubled in 30 years

The success rate for climbers reaching the summit of Mount Everest has doubled in the past 30 years while the death rate has hovered unchanged at around 1%.

Michelle Ma-U. Washington • futurity
Aug. 27, 2020 ~8 min

Tags: death oxygen science-and-technology mountains

Volcanoes may have shaped oxygen’s evolution on Earth

"...an evolution of the mantle of the Earth could control an evolution of the atmosphere of the Earth, and possibly an evolution of life."

Hannah Hickey-U. Washington • futurity
June 15, 2020 ~6 min

Tags: volcanoes oxygen science-and-technology rocks early-earth mantle

Warming oceans choke fish as habitats get less ‘breathable’

A new study shows ocean breathability is key for ocean animals. Climate change may make habitats unbreathable by 2100, researchers warn.

Hannah Hickey-UW • futurity
May 19, 2020 ~8 min

Tags: climate-change oceans oxygen earth-and-environment

Aussie rocks show early Earth was a ‘water world’

Early Earth 3.2 billion years ago was a world of vast oceans and submerged continents. The new findings could have implications for the origins of life.

Mike Krapfl-Iowa State • futurity
March 2, 2020 ~4 min

Tags: evolution water oceans oxygen science-and-technology early-earth

How low oxygen levels in the heart can cause arrhythmias

New research shows how low oxygen levels in the heart can result in life-threatening arrhythmias, or disorganized heart rhythms.

Anne Warde-UC Irvine • futurity
Feb. 19, 2020 ~3 min

Tags: oxygen health-and-medicine hearts arrhythmia

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 • futurity
Dec. 4, 2019 ~8 min

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

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 • futurity
Dec. 3, 2019 ~7 min

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

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 • futurity
Nov. 6, 2019 ~5 min

Tags: fossils oceans oxygen science-and-technology

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 • futurity
Sept. 26, 2019 ~6 min

Tags: cancer oxygen metals health-and-medicine iridium

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 • futurity
Sept. 10, 2019 ~5 min

Tags: evolution oceans oxygen algae science-and-technology

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