How a Person Has Changed

Were the people who lived one hundred thousand years ago similar to us? And a million years ago? And how do we know what our ancestors were like? Is it true that people once had tails? What is evolution? Why do all living beings change? What is the main advantage of humans? Why are some people and even nations tall, while others are short? The new book by Yulia Smirnova will tell you how a person has changed!