Scientists map a fly's entire brain (On a roll)

Today's story: Scientists have completed a ""connectome"" of an adult fruit fly, mapping all 140,000 brain cells and the 55 million connections between them. The map will allow scientists to study in much greater detail how a brain works. And the complete connectome of the fruit fly may pave the way for mapping larger, more complex brains, including those of mice and, potentially, humans.Learn this English expression: 'On a roll' means experiencing a series of successes or feeling confident and energized.Full lesson: https://plainenglish.com/724 --Plain English helps you improve your English:Learn about the world and improve your EnglishClear, natural English at a speed you can understandNew stories every weekLearn even more at PlainEnglish.com-- Mentioned in this episode:Ready to improve your listening?Ready to listen fast? Improve your listening with the fast version of this and every episode. The full-speed version is a fresh recording and it sounds just like someone speaking to a native speaker (with no AI or computer manipulation!) You can even listen on a podcast app Sign up for a free 14-day trial at PlainEnglish.com