(Phys.org) -- Hydrogen peroxide doesn't just come in bottles from the drugstore – the human body makes it as well. Now researchers from North Carolina State University have found a way to use naturally occurring hydrogen ...
Materials Science
Aug 1, 2012
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Toxic chemicals wreak havoc on cells, damaging DNA and other critical molecules. A new study from researchers at MIT and the University at Albany reveals how a molecular emergency-response system shifts the cell into damage-control ...
Cell & Microbiology
Jul 3, 2012
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A Washington State University astrobiologist is leading a group of 20 scientists in calling for a mission to Mars with "a strong and comprehensive life detection component." At the heart of their proposal is a small fleet ...
Space Exploration
Apr 23, 2012
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(PhysOrg.com) -- A new hypothesis posed by a University of Tennessee, Knoxville, associate professor and colleagues could be a game changer in the evolution arena. The hypothesis suggests some species are surviving by discarding ...
Evolution
Apr 4, 2012
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Microorganisms can sometimes lose the ability to perform a function that appears to be necessary for their survival, and yet they still somehow manage to endure and multiply. How can this be? The authors of an opinion piece ...
Evolution
Mar 27, 2012
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A polymer is a mesh of chains, which slowly break over time due to the pressure from ordinary wear and tear. When a polymer is squeezed, the pressure breaks chemical bonds and produces free radicals: ions with unpaired electrons, ...
Polymers
Mar 2, 2012
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Sometimes our immune defence attacks our own cells. When this happens in the brain we see neurodegenerative diseases such as dementia, Alzheimer's and Parkinson's disease. But if the the immune defence is inhibited, the results ...
Biochemistry
Feb 22, 2012
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Most of us know hydrogen peroxide as a way to bleach hair, but MacKenzie Mayo is using it to help turn yard waste into renewable energy.
Other
Jan 20, 2012
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(PhysOrg.com) -- Recently, researchers have been designing a wide variety of self-propelled micromotors, many of which operate using an oxygen-bubble propulsion mechanism that requires a high concentration of hydrogen peroxide ...
A turning point in the history of life occurred 2 to 3 billion years ago with the unprecedented appearance and dramatic rise of molecular oxygen. Now researchers report they have identified an enzyme that was the first – ...
Earth Sciences
Jan 10, 2012
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