Business

Researchers propose a circular economy for rare-earth elements

Rare-earth elements (REEs) are found in smartphones, plasma screens and even artificial joints. As components of wind turbines or electric motors, they play an important role in the production of clean energy. The battle ...

Other

Journey to the bottom of the sea: On a Titanic tour

The journey to the ocean floor to reach the wreck of the Titanic is one that gets relentlessly colder and darker, says one of the handful of people who have ever visited the luxury liner's watery grave.

Other

Search for missing Titanic sub like 'going into space'

Rescuers trying to find the orca-sized submersible that vanished on its way to visit the wreck of the Titanic are facing a gargantuan task that will test the limits of technical know-how—with only a very slight chance of ...

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