'Gondolin' marks the end of Tolkien's reign

Britain gets serious about curbing plastic waste

10 once-influential countries that no longer exist

How Germany's coal heartland became an outdoor recreation paradise

10 uses for shredded paper

Scientists now know what happened to the once-great lost harbor of Pisa, Italy

Lost Native American city unearthed in Kansas

Improve your odds of having a lucid dream with these 3 techniques

What not to flush down the toilet

18 eye-popping pedestrian bridges

What if you could turn random cellphone browsing into beautiful music?

Why tourism in Africa is on the upswing