If the existence of Earth was represented by a foot-long ruler, where would the start of life, the start and end of dinosaurs, and the start of Homo erectus be? - Quora

Did giants truly exist? If so, are there archeological records to proof that? And where are the giants now? - Quora

For how many years did mankind exist before Jesus? - Quora

If the existence of Earth was represented by a foot-long ruler, where would the start of life, the start and end of dinosaurs, and the start of Homo erectus be? - Quora

Where did the idea for the popular belief that cavemen coexisted with dinosaurs come from? - Quora

If the existence of Earth was represented by a foot-long ruler, where would the start of life, the start and end of dinosaurs, and the start of Homo erectus be? - Quora

How many years ago did human life began on Earth? - Quora

From all sides: are you sure mankind has been around for 250k years instead of 10k years? What are all the evidences? - Quora

Why and how did the first humans spread all over the world? - Quora

For how many years did mankind exist before Jesus? - Quora

What were the race of the cavemen of 'BC'? Where did they originate from and what country? - Quora