Highlights
Genes
Keeping death in check
19 January 2010A small RNA molecule has a big influence on the activity of an important tumor suppressor
Nanotechnology
It takes two
5 January 2010High-performance transistors based on silicon–germanium nanowires can be made using an approach compatible with existing mass-production techniques
Cancer
Breaking the cycle
5 January 2010MicroRNA molecules represent an important regulatory roadblock preventing cancer cell proliferation
Plasmonics
Thin end of the wedge
5 January 2010Tiny silver nanoparticles boost the efficiency of thin-film solar cells
Natural Products
Doing what comes naturally
5 January 2010Synthesis of the natural product haplophytine is now possible using state-of-the-art techniques
Genetics
Following regulation to the letter
5 January 2010Subtle sequence changes determine whether a common gene regulatory sequence acts as an ‘on’ or ‘off’ switch
Protein
Reading the stop signs
5 January 2010A complex molecular interaction signals when to terminate protein synthesis and release the product
Networks
Clear forecasts
22 December 2009High-quality signal predictions boost the bandwidth of wireless networks
Stem Cells
Differentiate or die
22 December 2009An antibody that selectively kills off undifferentiated stem cells may improve their clinical usefulness
DNA
Color by nanoparticles
22 December 2009Using a precise and fast nanoparticle-based technique, DNA detection by the naked eye is now possible
Oncology
Keeping an eye on cancer
22 December 2009Bioluminescence imaging allows real-time monitoring of cancer spreading through the body
Cells
Finding the off switch
22 December 2009Genetic evidence reveals that an enzyme that deactivates signaling pathways is associated with inflammation and cancer
Calorimetry
Synchronized scrutiny
22 December 2009A combination of analytical techniques can trace the real-time progression of simultaneous chemical reactions