Genetics
A new part of the program
10 Nov 2009A novel transcription factor can facilitate the reprogramming of somatic cells into stem cells
Maintaining ‘arrested development’
10 Nov 2009Embryonic stem cells keep their developmental options open with help from two recently identified genes
Molecular machines shift into gear
27 Oct 2009Construction of the world’s smallest controllable gear sets the stage for new nanoscale mechanical devices
Old before their time
27 Oct 2009A seemingly innocuous metabolic enzyme may play a key role in bringing about premature aging
Calling in reinforcements
27 Oct 2009A protein known for its role in antiviral defense works behind the scenes steering immune cell development and activity