The rollerball pen dispenses conductive silver ink, enabling electrical circuits to be drawn directly on paper and other surfaces.
Young scientists receive awards in international competition.
A new Hispanic underclass could be created unless the United States improves immigrant children's access to education.
The finding could help explain the often observed association among people in developed countries.
A comparison of accident rates among teens in two Virginia counties with different school start times suggests teens are just not morning people.
Thinking about setting one of your teen-aged kids adrift on an ice floe? Geoff Green of "Students on Ice" will do it for you.
Children raised in poverty in their first five years are more likely to feel its effects well into adulthood.