15 must-know facts about the Nobel Prize

Image: Nobel Peace Prize laureates Kailash Satyarthi and Malala Yousafzai hold a news conference in Oslo. Photograph: Suzanne Plunkett/Reuters India's Kailash Satyarthi and Pakistan's Malala......

A Hungarian invention that helped the British in WWII

Tracing the early life of the humble ballpoint pen to its present. IMAGE: Modern folks would not even think of the ballpoint pen as an innovation. It seems to be an inexpensive writing instrument,......