It’s been a long time since we’ve heard from melodysheep, but the auto-tuning YouTuber is back. In the latest video, Bill Nye, Neil deGrasse Tyson, Emily Lakdawalla, and Carl Sagan talk about the future of the universe.

It’s been a long time since we’ve heard from melodysheep, but the auto-tuning YouTuber is back. In the latest video, Bill Nye, Neil deGrasse Tyson, Emily Lakdawalla, and Carl Sagan talk about the future of the universe.