Joseph Rinkle: There's so much out there that's unknown about really sort of what's under the hood when it comes to perception and consciousness in our experience of the world. Bert Pigartin is back underwater for next week. If you or someone you know needs help dealing with a mental health issue, the National Substance Abuse and Mental Health Services Administration has free confidential resources available 24-7 at 1-800-662-HELP.