The 1990s are marked by numerous events in the field of politics, economy and science. The decade is especially known by ascent of capitalism. Take this short quiz and check your knowledge about 1990s.
Sailing stones, also called sliding or moving rocks is a geological phenomenon where rocks tend to move and leave long tracks into a valley surfaces like deserts without human or animal intervention.
It has been more than 100 years since scientists found a new river dolphin species and now they believe they found it in one of the rivers of the vast Amazon forest in Brazil.
