On Saturday, November 5, 2016 at 1:27:55 PM UTC-5, son_of_flubber wrote:
Peer reviewed scientific study

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4246923/

Experience 34.2 hrs, 15 min flights? Did I read this right?
these are beginners. How could they have developed extra
gray matter?

However, I never realised before how difficult flying is.

Which reminds me of the old joke about the centipede......

JMF