 Radiolab is supported by BetterHelp, committed to supporting mental health through therapy. Clients are matched with one of 35,000 therapists and can communicate via video, chat, or phone at betterhelp.com slash public. Support comes from Six Speed, an independent creative marketing agency in Minneapolis, striving to make adventurous brands impossible to imitate to help them stand in a league of their own. Learn more at sixspeed.com.