August 26, 2002

Science Beat back issues

Lab news releases

News media contacts

Breaking science from around the world

Lab home page

Search Lab science articles archive

  Clued into infrared forensics

Crime scene investigators detect forgeries and counterfeits and trace the origins of all kinds of materials using infrared light. Now forensics enters new territory with synchrotron infrared from the Advanced Light Source, helping the Secret Service characterize ink on paper and analyzing chemical "sweatprints," as unique and ubiquitous as physical fingerprints.

  A hook to knit damaged DNA

Researchers have discovered a metal-mediated interface between proteins, the "zinc hook" the essential Mre11/Rad50 complex uses to link broken DNA strands so they can be rejoined. It's the first major result of the multi-institutional Structural Cell Biology of DNA Repair Machines project, aimed at understanding DNA repair at every level.

 Geology on the nanoscale

A new field of study called nanogeoscience looks at geological processes involving particles only a hundred millionths of a meter in size -- tiny but critical participants in carbon sequestration, air pollution, the removal of toxins from soil, and other key processes on land, sea, and in the air.

When it comes to risk in a collision, a big vehicle doesn't make the crucial difference: size does not equal safety.

Even if only government agencies did it, energy-smart buying could save a billion bucks a year.

Two million California school children study in portable classrooms that could be more energy-efficient and healthier.

Receive our news releases via email

Feedback to our staff