Why tourism's future lies in its past

Climate change and carbon footprints, political unrest, global epidemics—what does it all mean for the future of tourism?

Green cars in spotlight as India eyes electric revolution

Electric cars bask in the limelight at India's flagship auto show, where an ambitious plan to phase out polluting clunkers has manufacturers racing to lure millions of new drivers to their green vehicles.

The future of medicine could be found in this tiny crystal ball

A Drexel University materials scientist has discovered a way to grow a crystal ball in a lab. Not the kind that soothsayers use to predict the future, but a microscopic version that could be used to encapsulate medication ...