--- title: Five Best Ideas of the Day: April 13 description: Why do we need human pilots again? Also, unlocking the potential of educated Arab women, Incan insights on Peru's water crisis and more. canonical: https://time.com/3819111/five-best-ideas-of-the-day-april-13/ author: TIME article:opinion: true article:content_tier: free article:published_time: 2015-04-13T16:01:52.000Z article:modified_time: 2026-05-11T05:04:35.647Z article:section: Ideas og:title: These Are Today's Best Ideas og:description: Why do we need human pilots? og:url: https://time.com/3819111/five-best-ideas-of-the-day-april-13/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production og:image:width: 1200 og:image:height: 675 og:image:alt: TIME og:type: article twitter:card: summary_large_image twitter:title: These Are Today's Best Ideas twitter:description: Why do we need human pilots? twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- # Five Best Ideas of the Day: April 13 by [The Aspen Institute](https://time.com/author/the-aspen-institute/) ## The Aspen Institute Apr 13, 2015 4:01 PM UTC by [The Aspen Institute](https://time.com/author/the-aspen-institute/) ## The Aspen Institute Apr 13, 2015 4:01 PM UTC **1\.** [**Why do we need human pilots again?**](http://www.nytimes.com/2015/04/07/science/planes-without-pilots.html) By John Markoff in the New York Times **2\.** [**We thought education would unlock the potential of Arab women. We were half right.**](https://medium.com/@Brookings/unlocking-the-potential-of-educated-arab-women-4380435722e2) By Maysa Jalbout at the Brookings Institution **3\.** [**Peru found a 1,000 year-old solution to its water crisis.**](http://www.newscientist.com/article/dn27311-preinca-canals-may-solve-limas-water-crisis.html#.VSruexPF9U8) By Fred Pearce in New Scientist **4\.** [**Why Saudi Arabia might need to break the country in two to “win” its war in Yemen.**](https://news.vice.com/article/to-win-its-war-in-yemen-saudi-arabia-may-have-to-split-the-country-in-two) By Peter Salisbury in Vice **5\.** [**Startup accelerators are great…we think.**](http://blogs.wsj.com/accelerators/2015/04/10/randall-kempner-and-peter-roberts-arent-accelerators-great-maybe/) By Randall Kempner and Peter Roberts in the Wall Street Journal  [_The Aspen Institute_](http://www.aspeninstitute.org/) _is an educational and policy studies organization based in Washington, D.C._ ```json [{"@context":"https://schema.org","@type":"OpinionNewsArticle","@id":"https://time.com/3819111/five-best-ideas-of-the-day-april-13/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3819111/five-best-ideas-of-the-day-april-13/"},"headline":"Five Best Ideas of the Day: April 13","datePublished":"2015-04-13T16:01:52.000Z","dateModified":"2026-05-11T05:04:35.647Z","description":"Why do we need human pilots again? Also, unlocking the potential of educated Arab women, Incan insights on Peru's water crisis and more.","url":"https://time.com/3819111/five-best-ideas-of-the-day-april-13/","keywords":["Innovation","Jobs","Education","Water","Drought","robots","Startups","Saudi Arabia","flight","Pilots","Peru","Yemen"],"thumbnailUrl":"","author":[{"@type":"Person","name":"The Aspen Institute","jobTitle":null,"url":"https://time.com/author/the-aspen-institute/"}],"articleSection":"Ideas","image":[],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/ideas/","name":"Ideas"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/innovation/","name":"Innovation"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/3819111/five-best-ideas-of-the-day-april-13/","name":"Five Best Ideas of the Day: April 13"}}]}] ```