NASA is developing optical sensors for safer touchdowns.
Polymer patches hitched to the surfaces of immune cells can transport a variety of cargo.
A new project collects traffic data from GPS-enabled cell phones.
A silicon coating could boost the efficiency of solar cells.
Synthetic biology could yield microbes that fight cavities and produce vitamins.
A new microsensor could help millions of patients who rely on blood-thinning drugs safely treat themselves.
Improved dyes and electrolytes could make the Grätzel solar-cell design more practical.
A new optical etching technique could lead to faster microchips.
Can Fennec, Mozilla's new mobile browser, compete?
By validating an emerging technology, two new genomic studies offer hope for the fight against disease.