First fully solar-powered train hits the track

Physicists create quantum experiment where time moves backwards

Ambulance usage declines in cities with Uber

Graphene material turns into diamond-like armor when shot with a bullet

What animal is that? Georgia Aquarium app helps find the answer

San Francisco to expand demand-based pricing for parking

World's steepest funicular railway debuts in Switzerland

Glowing plants might soon light your home

The Google spy who loved me

Animal shelter's homeless-shooing robot gets the boot

Why net neutrality matters

11 optical illusions that will blow your mind