Plutonium at 150 years

Planning the future needs of the U.S. nuclear weapons stockpile as well as the nuclear weapons complex depends in part on maintaining confidence in the long-term stability of the pit, or core, of plutonium-239 residing inside ...

Venomous snail key behind therapeutic molecules

Can a painkiller be re-engineered to get a closer look at how proteins bind to communication channels? Researchers across Europe are using state-of-the-art computing techniques to re-engineer a painkiller from the XEP-018 ...

Breakthrough gives hope for new imaging isotope source

A University of Alberta team has made an important breakthrough in the race to find a viable replacement for supply of technetium-99m, an important isotope produced by Canada's Chalk River reactor.

Top New Zealand scientist Paul Callaghan dies

(AP) -- Sir Paul Callaghan, a top New Zealand scientist who gained international recognition for his work in molecular physics, has died after a long battle with bowel cancer. He was 64.

Learning about material integrity from statistical data

Whether it protects space satellites or sequesters nuclear waste, scientists want to understand tiny features that could significantly alter how a material behaves. Locating microscopic defects can be done with powerful microscopes, ...

Decoding corn defenses for improved pest resistance

(PhysOrg.com) -- A clearer picture of corn's biochemical responses to insect and fungal attacks is emerging, thanks to U.S. Department of Agriculture (USDA) studies in Gainesville, Fla.

Brightest gamma ray on Earth -- for a safer, healthier world

The brightest gamma ray beam ever created- more than a thousand billion times more brilliant than the sun- has been produced in research led at the University of Strathclyde- and could open up new possibilities for medicine.

Researchers apply NMR/MRI to microfluidic chromatography

By pairing an award-winning remote-detection version of NMR/MRI technology with a unique version of chromatography specifically designed for microfluidic chips, researchers with the U.S. Department of Energy (DOE)'s Lawrence ...

Superconductors face the future

Futuristic ideas for the use of superconductors, materials that allow electric current to flow without resistance, are myriad: long-distance, low-voltage electric grids with no transmission loss; fast, magnetically levitated ...

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