Camden and Margaret discuss whether American wild horses are actually native to North America (3:44) and if breastfeeding can really prevent pregnancy (17:23).

Camden's Misconception: American wild horses are not native to North America

Citations:

• Animal Welfare Institute — Wild Horses as Native North American Wildlife
• Live Science — The Surprising History of America's Wild Horses (2008)
• American Wild Horse Conservation — Scientific Research Confirms Native Ancestry (2020)
• Scientific American — The Secret Lives of Horses (2015)
• Smithsonian National Zoo — Przewalski's Horse
• In Defense of Animals — Wild Horses are Native to North America

Margaret's Misconception: Breastfeeding prevents pregnancy

Citations:

• Harvard Medical School — "Can Breastfeeding Really Prevent Pregnancy?" by Dr. Rachel A. Blake
• Cleveland Clinic — "Yes, You Can Get Pregnant While Breastfeeding" (2024)

Camden, Margaret, and guest David discuss if bird bones are hollow so birds can fly (6:48) and whether everyone sees things the same way in their mind (22:09).

Camden's Misconception: Bird bones are hollow so birds can fly

Citations:

• "What If? 2" by Randall Munroe
• The Science of Birds Podcast — "How Birds Breathe"
• "Bone Density and the Lightweight Skeletons of Birds" by Elizabeth Dumont, UMass Amherst
• Discovery — "Why Do Birds Have Hollow Bones?"
• Montana Natural History Center — "Avian Adaptations"
• Bird Spot — "How Birds' Skeletons Evolved For Flight"
• Wilderness Awareness School — "Bird Skeletons and Avian Physiology"

David's Misconception: We all see things the same way in our minds

Citations:

• Zeman et al. (2015) — "Lives Without Imagery: Congenital Aphantasia." Cortex
• Zeman (2024) — "Aphantasia and Hyperphantasia: Exploring Imagery Vividness Extremes." Trends in Cognitive Sciences
• Dance, Ipser & Simner (2022) — "The Prevalence of Aphantasia in the General Population." Consciousness and Cognition
• Marks (1973) — Vividness of Visual Imagery Questionnaire (VVIQ). British Journal of Psychology
• Kay et al. (2022) — "The Pupillary Light Response as a Physiological Index of Aphantasia." eLife
• Pearson (2019) — "The Human Imagination: The Cognitive Neuroscience of Visual Mental Imagery." Nature Reviews Neuroscience
• Milton et al. (2021) — "Behavioral and Neural Signatures of Visual Imagery Vividness Extremes." Cerebral Cortex Communications
• Bainbridge et al. (2021) — "Quantifying Aphantasia Through Drawing." Cortex
• Wicken et al. (2021) — "The Critical Role of Mental Imagery in Human Emotion." Proceedings of the Royal Society B

Camden and Margaret discuss whether vampire bats actually suck blood and whether antibacterial soap is better for you than regular soap.

Camden and Margaret discuss if asteroids really look like cratered potatoes (2:52) and whether you have to lose consciousness to have a concussion (11:49).

Camden's Misconception: Asteroids look like little potatoes with craters

Citations:

• "What If? 2" by Randall Munroe
• NASA Space Place - Asteroids
• Scientific American
• CalTech Cool Cosmos

Margaret's Misconception: As long as you're conscious, it's not a concussion

Citations:

• Concussion Recognition Tool from the Concussion in Sport Group
• National Institute of Neurological Disorders and Stroke
• CDC - TBI Data 2024
• Mayo Clinic - Concussions
• "Concussion" by Nitin Agarwal, Rut Thakkar, Khoi Than for the American Association of Neurological Surgeons

What We're Consuming:

• Camden: "The Thursday Murder Club" by Richard Osman
• Margaret: "The Dog's Best Friend Game" board game

Follow us on Instagram: @DontPeeonYourLeg

Email us your misconceptions: dontpeeonyourleg@gmail.com

Camden and Margaret discuss if household dust is mostly just your dead skin floating around (2:45) and whether our ears keep getting bigger our entire lives (16:05).

Camden's Misconception: Dust is mostly dead skin

Citations:

• "What If? 2" by Randall Munroe
• "Is Dust Mostly Dead Skin?" by Veritasium
• "Making an epidermis" by Maranke Koster, University of Colorado Denver

Margaret's Misconception: Our ears keep getting bigger our entire lives

Citations:

• Cleveland Clinic - Cartilage
• "Do Your Nose and Ears Really Grow with Age?" by Justin Chupungco
• "Why do old men have big ears?" by James Heathcote
• "Ear size as a predictor of chronological age" by R Tan, V Osman, G Tan
• "Human ears grow throughout the entire lifetime" by Niemitz, Nibbrig, and Zacher
• Today I Found Out
• "Truth or Myth: Our Nose and our Ears Never Stop Growing" by Michael Hinck

What We're Consuming:

• Camden: "Project Hail Mary" by Andy Weir
• Margaret: Books

Follow us on Instagram: @DontPeeonYourLeg

Email us your misconceptions: dontpeeonyourleg@gmail.com

Margaret and Camden discuss whether the spots on a ladybug determine its age (08:54) and if the red liquid that comes out of your steak is actually blood (22:02).