Van Gogh self-portrait is genuine, experts decide

Image copyright Reuters Image caption The painting's colours threw doubt on its authenticity A brooding self-portrait by Vincent van Gogh has finally been declared genuine after years of uncertainty. Art experts have identified Self Portrait…

Robot tanks: On patrol but not allowed to…

Image copyright Ryan Crierie Image caption The M247 Sergeant York was abandoned by the US Army in 1985 In 1985 the US pulled the plug on a computer-controlled anti-aircraft tank after a series of debacles…

The battle over which flag to fly in…

Image copyright Getty Images Later this week, thousands will head to Manhattan's historic Chinatown to celebrate Lunar New Year. But amidst all the pomp and the parades, revellers might also find themselves caught up in…