Visual fake-out should foil the 'spambots' used by junk-mail purveyors.
RNA-based method thwarts blood vessels.
Proteins seen as a versatile platform for making tiny wires.
Geron CEO Thomas B. Okarma on creating stem cell therapies.
From the Editor in Chief
Innovative processes, not just products, are targets for activists.
Software generates music from scratch.
Adding blood vessels to engineered skin could help heal burns.
Promising new antibiotics, antidotes, and vaccines emerge.
Devices that connect the brain with computers could lead to mind-controlled robots, repair neurological disorders, and even improve memory.