A new kind of tattoo ink could make removal a lot easier.
New research shows that people can learn to suppress memories. It also suggests new avenues for treating post-traumatic stress disorder.
Researchers find a new way to make cheap and flexible photovoltaic cells.
Tiny devices that harness the energy from ambient vibrations could one day be used to power a variety of wireless sensors.
A new kit could make robotics easy for everyone.
A molecular imaging system shows the telltale signs of tumors.
Automated weeding could eventually reduce the use of herbicides.
Second Life's virtual conference rooms might be more useful if they didn't resemble their real-world counterparts.