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Showing posts from November, 2016

Why only 60 seconds in a minute?

When and why was Rome founded?

How should DNA be collected from a crime scene?

What kind of food did the Ancient Romans eat?

Why do Waterfalls appear white in colour?

Why was synthetic rubber developed?

Why is Antonine plague a turning point in the history of Rome?

How did the Egyptians build the pyramids?

What role does military play in invention of duct tape?

How did safety razors become so popular?

Why is microwave oven considered a military invention?

How were pigeons used as carriers of messages?

How do feathers get their colours?

How did birds evolve from reptiles?

Why did people start using metal as money?

Did Thomas Edison really invent "light bulb?"

Why were first banks of Ancient Greece unique?

Were there Doctors in Stone age?