Related topics: cells · free radicals · hydrogen peroxide

Ancient die-off greater than the dinosaur extinction

Clues from Canadian rocks formed billions of year ago reveal a previously unknown loss of life even greater than that of the mass extinction of the dinosaurs 65 million years ago, when Earth lost nearly three-quarters of ...

Marine bacterium sheds light on control of toxic metals

An ocean-dwelling bacterium has provided fresh insights into how cells protect themselves from the toxic effects of metal ions such as iron and copper, in research led by the University of East Anglia (UEA).

MiNT protein a fresh target to attack disease

A two-faced protein in a chain that regulates iron and other elements in cells could provide a new target to treat cancer, diabetes and other diseases.

Tiny device grabs more solar energy to disinfect water faster

In many parts of the world, the only way to make germy water safe is by boiling, which consumes precious fuel, or by putting it out in the sun in a plastic bottle so ultraviolet rays will kill the microbes. But because UV ...

Nano-antioxidants prove their potential

Injectable nanoparticles that could protect an injured person from further damage due to oxidative stress have proven to be astoundingly effective in tests to study their mechanism.

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