Permissions

Articles

All republished articles in this text are used with permission under a Creative Commons license from the following sources. Each article is followed by a link to the source and the original publication.

• The Conversation (CC BY-ND 4.0)
• YES! Media (CC BY-NC-ND 3.0)

Videos

TED Talks embedded in Chapters 1 and 3 are shared under a Creative Commons license, CC BY–NC–ND 4.0. Each TED Talk is following by a link to the source and the original publication.

Photos

All photos used in the text are from the following websites, which provide freely usable images. Credits are given to all photos, along with links to the original source.

• Unsplash
• Pexels
• Pixabay