The Japanese version of Tech Support (#TechSupport) features Juichi Yamagiwa, Director of the Research Institute for Humanity and Nature and a leading expert on gorillas. Yamagiwa, who has explored the origins of human evolution and society based on gorilla behavior and ecology, answers gorillas in a way only WIRED can.

■Series Introduction
"Tech Support" is a video series that poses questions to experts in various fields, delivering answers that are rarely heard elsewhere. From standard questions to unique questions only possible online, leading Japanese experts showcase their knowledge through diverse questions. We are accepting questions via the WIRED.jp YouTube community and Twitter, so please send in your questions!

00:00 Opening
00:34 Do gorillas really like bananas?
00:57 Why are gorillas so muscular even though they are herbivores?
01:35 Where do gorillas live most abundantly?
01:55 Why do gorillas beat their chests?

02:27 Why is the boss of gorillas a silverback?

03:27 How much weight do you think a gorilla could bench press?

04:29 What are the most significant differences between the bones of gorillas and humans?

05:08 What was the decisive factor that caused gorillas and humans to diverge in evolution?

06:20 What is gorilla dating like?

07:30 What was the largest community a gorilla has ever built?

09:01 Tell me about gorilla society!

11:18 Closing

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