The history of the printing press began with **Johannes Gutenberg**'s invention in the mid-15th...

Climate change is a change in the "average weather" that a given region experiences. Average...

Industrial Revolution The Fourth Industrial Revolution, characterized by the convergence of...

"For most of history, man has had to fight nature to survive; in this century he is beginning to...

World Dolphin Day is an important time to raise awareness about the plight of these majestic...