Researchers call for changes in how software patches are distributed.
A nanowire membrane that sops up oil while repelling water could be used for cleaning up oil spills.
A new kind of robot can cling to walls and relax its grip.
A new system from Microsoft turns virtually any surface into a multitouch display.
New composites could lead to better food packaging, and to lighter car and airplane parts.
A new kind of semiconductor terahertz laser works at room temperature.
Sending descriptions of data could be more efficient than sending the data itself.
The new machine will have dual touch screens--and cheaper hardware.
How a programming error introduced profound security vulnerabilities in millions of computer systems.