--- title: Five Best Ideas of the Day: February 3 description: The libertarian case for vaccinating your kids, Ukrainian students appeal to their Russian counterparts, crisis counseling by text and more. canonical: https://time.com/3693509/five-best-ideas-of-the-day-february-3/ author: TIME article:opinion: true article:content_tier: free article:published_time: 2015-02-03T17:01:00.000Z article:modified_time: 2026-05-11T05:05:53.175Z article:section: Ideas og:title: These Are Today's Best Ideas og:description: The libertarian case for vaccinating your kids, Ukrainian students appeal to their Russian counterparts, crisis counseling by text and more og:url: https://time.com/3693509/five-best-ideas-of-the-day-february-3/ 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 libertarian case for vaccinating your kids, Ukrainian students appeal to their Russian counterparts, crisis counseling by text and more twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- # Five Best Ideas of the Day: February 3 by [The Aspen Institute](https://time.com/author/the-aspen-institute/) ## The Aspen Institute Feb 3, 2015 5:01 PM UTC by [The Aspen Institute](https://time.com/author/the-aspen-institute/) ## The Aspen Institute Feb 3, 2015 5:01 PM UTC **1\.** [**“Even from a libertarian point of view, vaccination is a matter of rational self-interest.”**](http://www.ocregister.com/articles/measles-649737-people-children.html) By Ben Boychuk in the Orange County Register **2\.** [**‘Doubt everything:’ Ukrainian students are warning their Russian counterparts not to trust Putin.**](http://www.theguardian.com/world/2015/jan/28/doubt-everything-ukrainian-students-warning-to-russian-counterparts) By Arslan Saidov and Claire Bigg in the Guardian **3\.** [**To reach kids where they are, provide teens crisis counseling by text.**](http://www.newyorker.com/magazine/2015/02/09/r-u) By Alice Gregory in the New Yorker **4\.** [**Is the secret to a cure for HIV lurking in dormant pools of the virus?**](http://www.medicalnewstoday.com/articles/288830.php) By Catharine Paddock in Medical News Today **5\.** [**3D-printed ‘cool bricks’ can naturally air condition a room.**](http://3dprint.com/41447/3d-printed-cool-brick/) By Whitney Hipolite in 3DPrint.com  [_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/3693509/five-best-ideas-of-the-day-february-3/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3693509/five-best-ideas-of-the-day-february-3/"},"headline":"Five Best Ideas of the Day: February 3","datePublished":"2015-02-03T17:01:00.000Z","dateModified":"2026-05-11T05:05:53.175Z","description":"The libertarian case for vaccinating your kids, Ukrainian students appeal to their Russian counterparts, crisis counseling by text and more.","url":"https://time.com/3693509/five-best-ideas-of-the-day-february-3/","keywords":["Innovation","putin","Ukraine","russia","Suicide","Teens","Students","HIV","Aids","Bullying","Vaccines","measles","vaccinations","Air conditioning"],"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/3693509/five-best-ideas-of-the-day-february-3/","name":"Five Best Ideas of the Day: February 3"}}]}] ```