“When we started the project, the viaduct was still there,” says architect Osama Quotah, a partner at LMN. “We were imagining a project that would happen in a condition that didn’t exist at the time.” ...

What was once an idea submitted by a student for a university contest is now a working — or rather, swimming — prototype that could one day help clean the world's polluted waters. The robo-fish design ...

The intriguing shapes and colors of sea creatures are turning up in gold and silver, diamonds and aquamarines. Ancient civilizations used the motif, too. By Melanie Abrams Reporting from London When ...