Editor’s note: These previously broadcast segments have been updated for this Sunday’s edition.
FRONTOTEMPORAL DEMENTIA – FTD, a little-known but devastating disease that robs people of their personalities or their ability to communicate before it kills them, usually hits in middle age, but can affect people in their 30s. Bill Whitaker reports. Rome Hartman and Sara Kuzmarov are the producers.
PLEISTOCENE PARK – Global warming is thawing the Arctic permafrost and threating to release massive, dangerous amounts of greenhouse gasses into the atmosphere. Meet the scientists trying to recreate the Ice Age in part of Siberia to combat a climate catastrophe and see the ambitious project to revive the extinct woolly mammoth using DNA. Scott Pelley reports from Siberia. Henry Schuster is the producer.
JOHN GREEN – Few of the millions of his young fans know the best-selling author suffers from a mental illness. Jon Wertheim profiles the phenomenally successful writer who is also a star of YouTube, podcasting and Hollywood about his way with young audiences and how he deals with OCD. Sarah Koch is the producer.