1.0Sightline Institutehttps://www.sightline.orgJessica Branom-Zwickhttps://www.sightline.org/profile/jessica-branom-zwick/rich600338<blockquote class="wp-embedded-content" data-secret="EEDtM16RvC"><a href="https://www.sightline.org/2005/09/28/light_as_a_feat/">Light as a Feather; Stiff as a Board; Safe as an SUV?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.sightline.org/2005/09/28/light_as_a_feat/embed/#?secret=EEDtM16RvC" width="600" height="338" title="“Light as a Feather; Stiff as a Board; Safe as an SUV?” — Sightline Institute" data-secret="EEDtM16RvC" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); /* ]]> */ </script> Is a heavy SUV always safer than a light passenger car? Maybe not. Recent research is challenging the long-standing belief that cars must be heavy to be safe. It turns out that the quality of the car may be just as important as the quantity of its bulk. Several studies show that design, safety features, […]