W5 sits down with 18-year-old Emily Nash to discuss how she's able to recall information in a split second with incredible accuracy.

Subscribe to W5 to watch more videos:    / @officialw5  

Connect with W5:
For the latest investigations visit: http://www.ctvnews.ca/w5/
For a full video offering visit the CTV News Network: http://www.ctvnews.ca/video?binId=1.8...
W5 on Facebook:   / ctvw5  
W5 on Twitter:   / ctvw5  

---
W5 is Canada’s most-watched investigative, current affairs and documentary program. Tackling major stories and investigations since 1966.