--- title: Five Best Ideas of the Day: January 30 description: The problem with football helmet safety ratings, how France's prisons radicalize Muslims, a 3D-printed car, the real cost of meat and more. canonical: https://time.com/3689310/five-best-ideas-of-the-day-january-30/ author: TIME article:opinion: true article:content_tier: free article:published_time: 2015-01-30T17:01:22.000Z article:modified_time: 2026-05-11T05:05:57.193Z article:section: Ideas og:title: These Are Today's Best Ideas og:description: The problem with football helmet safety ratings, how France's prisons radicalize Muslims, a 3D-printed car, the real cost of meat and more og:url: https://time.com/3689310/five-best-ideas-of-the-day-january-30/ 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: The problem with football helmet safety ratings, how France's prisons radicalize Muslims, a 3D-printed car, the real cost of meat and more twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- # Five Best Ideas of the Day: January 30 by [The Aspen Institute](/author/the-aspen-institute/) ## The Aspen Institute Jan 30, 2015 5:01 PM CUT by [The Aspen Institute](/author/the-aspen-institute/) ## The Aspen Institute Jan 30, 2015 5:01 PM CUT **1\.** [**What if football helmet safety ratings are measuring the wrong hits?**](http://www.bloomberg.com/news/features/2015-01-28/the-controversial-safety-ratings-that-sell-football-helmets "undefined") By Bryan Gruley in Bloomberg Business **2\.** [**If France wants fewer radicalized Muslims, it must clean up its prisons.**](http://www.washingtonpost.com/world/europe/paris-killers-radicalized-in-prison-now-leaders-want-to-fix-that-problem/2015/01/28/52271e28-a307-11e4-91fc-7dff95a14458%5Fstory.html "undefined") By Michael Birnbaum in the Washington Post **3\.** [**They 3D-printed a car.**](http://www.scientificamerican.com/article/3-d-printing-poised-to-advance-cleaner-cars/ "undefined") By Umair Irfan in Scientific American **4\.** [**The low price of meat doesn’t reflect its true cost.**](http://www.newscientist.com/article/mg22530052.900-the-world-pays-too-high-a-price-for-cheap-meat.html "undefined") By the New Scientist **5\.** [**Lesser-known cities and young architects are perfect for each other.**](http://www.citylab.com/design/2015/01/why-architects-and-second-tier-cities-need-each-other/384770/ "undefined") By Amanda Kolson Hurley in CityLab  [_The Aspen Institute_](http://www.aspeninstitute.org/ "undefined") _is an educational and policy studies organization based in Washington, D.C._ ```json [{"@context":"https://schema.org","@type":"OpinionNewsArticle","@id":"https://time.com/3689310/five-best-ideas-of-the-day-january-30/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3689310/five-best-ideas-of-the-day-january-30/"},"headline":"Five Best Ideas of the Day: January 30","datePublished":"2015-01-30T17:01:22.000Z","dateModified":"2026-05-11T05:05:57.193Z","description":"The problem with football helmet safety ratings, how France's prisons radicalize Muslims, a 3D-printed car, the real cost of meat and more.","url":"https://time.com/3689310/five-best-ideas-of-the-day-january-30/","keywords":["Innovation","Environment","France","climate","Football","cars","Super Bowl topic","Terrorism","meat","Muslims","Prison","3D printing","architecture","Cleveland"],"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/3689310/five-best-ideas-of-the-day-january-30/","name":"Five Best Ideas of the Day: January 30"}}]}] ```