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Robots imitate humans, a new approach to air traffic control, changes in car design.

Variations on a digital music theme, look who's going solar, developing hands-free control.

Digital access to Rome and Beijing, display technology, commercial space flight.

The world's greenest museum, the night sky as a national heritage site, and a $6,000 cell phone.

Maintaining an icon's machinery, Google Earth goes underwater, and imaging technology fights cancer.

Low-impact construction, remote medical treatment, traditional art untraditionally.

A GPS city tour, energy from wind and plants, and a bionic eye.

Solar-Powered Flight, Space Junk, Mass Transit

Glaciers in Retreat, Google Mars, Peculiar Genes

ESA transport vehicle, Swiss concept car, extreme weather

When dinosaurs walked, cosmonaut training, speedy electric roadster

Virtual air show, space observatory, scanning advances

Beginning of time, animal communication, solar-powered town

High-yield solar, in-flight medical attention, new life for old masters

Stem cells, digital library, satellite monitoring

Car safety, speed record, news from the ISS

Space shuttle, first national park, surprising sedan

Opera house, BMW's challenge, 3-point seat belt

African locusts, blood sugar, thirsty Barcelona

Keyhole surgery, tracking weeds, thought control

Google books, computer technology, investigating incurable diseases

Solar system, terminal design, interactive music

Aircraft development, smile cam, early electronic age

Artificial sun, green cars, high-tech greenhouses