May 10, 2024 • 10 mins
Sam and John Fetters, 19, are identical twins on different ends of the autism spectrum. Sam is a sophomore at Amherst College and runs marathons in his free time. John attends a school for people with special needs and loves to watch Sesame Street in his free time. Identical twins like Sam and John pose an important question for scientists: How can a disorder that is known to be highly genetic look so different in siblings who share the same genome?
Check out more of NPR's series on the Science of Siblings.
More science questions? Email us at shortwave@npr.org.
Learn more about sponsor message choices: podcastchoices.com/adchoices
NPR Privacy Policy
Check out more of NPR's series on the Science of Siblings.
More science questions? Email us at shortwave@npr.org.
Learn more about sponsor message choices: podcastchoices.com/adchoices
NPR Privacy Policy
Mark as Played
Popular Podcasts
Dateline NBC
Current and classic episodes, featuring compelling true-crime mysteries, powerful documentaries and in-depth investigations.
Stuff You Should Know
If you've ever wanted to know about champagne, satanism, the Stonewall Uprising, chaos theory, LSD, El Nino, true crime and Rosa Parks, then look no further. Josh and Chuck have you covered.
The Nikki Glaser Podcast
Every week comedian and infamous roaster Nikki Glaser provides a fun, fast-paced, and brutally honest look into current pop-culture and her own personal life.