Masha is eleven and Max is nine. They intend to become super popular science bloggers, win the competition for the best children's science channel and go on a real excavation.

The children start a channel on YouTube - Science Ninjas, where they talk about scientific discoveries and facts, and at the same time find out for themselves:

Where did humans come from?
Why don't monkeys turn into humans now?
Where did monkeys come from, they didn't come from dinosaurs? And from whom?
Why did some monkeys become humans, while others remained gorillas and monkeys?
When and how did a monkey become a human?
If you want to laugh heartily and understand anthropogenesis, this book is what you need!