Brazil, Mexico make first deposits to 'doomsday' data vault

China fights toilet paper greed with face scans

Take a tour of Stockholm's most magnificent metro stations

Entangled photons might not have to originate from the same location

In Rome, residents rally against LED streetlights

Electric vehicle etiquette: When to charge and other conundrums

'Inactive' brain cells might control a major part of our mentality

How scientists turned a spinach leaf into beating heart tissue

The dinosaur family tree may get a shakeup

Take a dive to see the remains of the Titanic

Does this chess problem reveal the key to human consciousness?

Has technology made basic things demonstrably worse?