Search query: oxygen

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Biology: Evolutionary
Published

How crocs can go hours without air: Crocodilian hemoglobin - How Crocs Can Go Hours Without Air: Crocodilian Hemoglobin      (via sciencedaily.com) 

The crocodilian edition of hemoglobins -- the scuba tanks of the blood -- work so well that crocs ca...

Chemistry: General Chemistry: Organic Chemistry
Published

Overcoming the challenges to synthesising iron--sulfur proteins outside the glovebox      (via sciencedaily.com) 

Iron--sulfur (Fe--S) proteins, essential to all life forms, are difficult to synthesise due to the c...

Biology: Biochemistry Biology: Marine Ecology: Sea Life
Published

What the geologic record reveals about how oceans were oxygenated 2.3 billion years ago      (via sciencedaily.com)     Original source 

Geochemists used thallium isotopes to track the rise and fall of free oxygen on Earth between 2.5 an ...

Chemistry: Organic Chemistry Energy: Alternative Fuels Environmental: Water
Published

Maximizing hydrogen peroxide formation during water electrolysis      (via sciencedaily.com)     Original source 

When water is split electrolytically, the result is typically hydrogen -- and 'useless' oxygen. Inst ...

Engineering: Graphene Physics: General
Published

Graphene gets cleaned up      (via sciencedaily.com)     Original source 

Engineers establish the link between oxygen and graphene quality and present an oxygen-free chemical ...

Biology: General Energy: Batteries Energy: Technology
Published

Implantable batteries can run on the body's own oxygen      (via sciencedaily.com)     Original source 

From pacemakers to neurostimulators, implantable medical devices rely on batteries to keep the heart...

Space: The Solar System
Published

Has Earth's oxygen rusted the Moon for billions of years? - Has Earth's Oxygen Rusted the Moon for Billions of Years?      (via sciencedaily.com) 

To the surprise of many planetary scientists, the oxidized iron mineral hematite has been discovered...

Chemistry: Organic Chemistry Energy: Technology Geoscience: Environmental Issues
Published

Researchers design efficient iridium catalyst for hydrogen generation      (via sciencedaily.com) 

Proton exchange membrane water electrolyzers converts surplus electric energy into transportable hyd...

Chemistry: Biochemistry
Published

An implantable device could enable injection-free control of diabetes      (via sciencedaily.com) 

Engineers designed an implantable device that carries hundreds of thousands of islet cells along wit...

Biology: Marine Ecology: Extinction
Published

The trilobites' guide to surviving environmental change      (via sciencedaily.com)     Original source 

Scientists have worked out how one unusual species of trilobite -- an ancient, sea-dwelling relative...

Biology: Microbiology Energy: Technology
Published

Microbial corrosion of iron      (via sciencedaily.com) 

Iron is well-known for rusting, but this doesn't just happen on contact with oxygen and water. Some ...

Paleontology: Fossils
Published

Life on Earth didn't arise as described in textbooks      (via sciencedaily.com)     Original source 

No, oxygen didn't catalyze the swift blossoming of Earth's first multicellular organisms. The result ...

Geoscience: Earth Science Geoscience: Geochemistry Paleontology: Fossils Paleontology: General
Published

Window to the past: New microfossils suggest earlier rise in complex life      (via sciencedaily.com)     Original source 

Microfossils may capture a jump in the complexity of life that coincided with the rise of oxygen in ...

Energy: Nuclear Physics: Quantum Computing Physics: Quantum Physics
Published

Nuclear spin's impact on biological processes uncovered      (via sciencedaily.com) 

Researchers have discovered that nuclear spin influences biological processes, challenging long-held...

Geoscience: Environmental Issues
Published

On ancient Earth, it never rained but it poured - On Ancient Earth, It Never Rained But It Poured      (via sciencedaily.com) 

In a new study, researchers found that during epochs of extreme heat -- 20 to 30 degrees Fahrenheit...