Archive: 08/23/2006

Scientists Uncover Critical Step in DNA Mutation

Scientists at the Georgia Institute of Technology have made an important step toward solving a critical puzzle relating to a chemical reaction that leads to DNA mutation, which underlies many forms of cancer. ...

Aug 23, 2006
4.7 / 5 (22) 0

H. peroxide sensor could aid security

A new family of molecules used to detect hydrogen peroxide and other reactive chemicals in living cells could be a useful addition to anti-terrorist arsenals, says the University of California, Berkeley, chemist who developed ...

Aug 23, 2006
4.5 / 5 (6) 0

Astronomers find unexpected 'heartbeats' in star

Astronomers using CSIRO's Parkes telescope in eastern Australia have detected radio "heartbeats" from a star that was not expected to have them. A US-Australian research team found that a "magnetar" -- a kind ...

Aug 23, 2006
4.6 / 5 (24) 0

Laser light in the deep infrared

Free-electron lasers (FEL) are large and expensive, but they can deliver unique light for research and applications. On August 21, 2006, at the Forschungszentrum Rossendorf (FZR) in Dresden, Germany, the second ...

Aug 23, 2006
3.9 / 5 (14) 0

Wispy Dust and Gas Paint Portrait of Starbirth

This active region of star formation in the Large Magellanic Cloud (LMC), as photographed by NASA's Hubble Space Telescope, unveils wispy clouds of hydrogen and oxygen that swirl and mix with dust on a canvas ...

Aug 23, 2006
3.3 / 5 (4) 0

UW Invention Targets Terrorist Weapons

University of Wyoming researchers have developed and patented a technology that can rapidly detect explosives such as the liquid compounds that were part of a recently-thwarted plot to detonate bombs on as many as 10 U.S.-bound ...

Aug 23, 2006
4.2 / 5 (9) 0

Microcapsules open in tumor cells

Medicines are most helpful when they directly affect the diseased organs or cells - for example, tumour cells. Scientists at the Max Planck Institute of Colloids and Interfaces in Potsdam, Germany, and Ludwig-Maximilian-University ...

Aug 23, 2006
4.4 / 5 (9) 0

Scientists turn dents into smart bumps

Due to a phenomenon called the shape memory effect (SME), certain "memory metals" can be distorted and then brought back to their original shape by a simple temperature change. While a one-way memory effect ...

Aug 23, 2006 feature
4.4 / 5 (52) 0

New engineering tool is a dream

Hawker de Havilland, a wholly owned subsidiary of Boeing, is the first licensed user of a unique engineering tool, the Intelligent Risk Exchange (IREXTM) system.

Aug 23, 2006
1.6 / 5 (13) 0

Governor, Democrats reach drug deal

California Gov. Arnold Schwarzenegger and Democrats have agreed on a plan to reduce costs of prescription drugs to help lower-income residents.

Aug 23, 2006
1.5 / 5 (8) 0