Rating is available when the video has been rented.
This feature is not available right now. Please try again later.
Published on Jul 1, 2018
Scientists are developing new ways to alter the genetic code of living organisms. John Oliver explores the risks, rewards, and wolf-related hazards of gene editing.
Connect with Last Week Tonight online...
Subscribe to the Last Week Tonight YouTube channel for more almost news as it almost happens: www.youtube.com/user/LastWeekTonight