The story of human evolution in ancient past is said to be written in our modern bodies. In his book “Descent of Man,” Charles Darwin talks about vestigial structures. A vestigial structure is a body ...

An old calculator uses a seven-segment display, in which numerals are represented by different patterns of vertical and horizontal line segments. But the device is faulty and no longer shows any ...

A previously unknown painting by Pablo Picasso has emerged from the shadows of history, hidden beneath a Blue Period ...