Url changed from <a href="http:&#x2F;&#x2F;www.popsci.com&#x2F;color-in-these-patents-from-national-archives?src=SOC&amp;dom=fb" rel="nofollow">http:&#x2F;&#x2F;www.popsci.com&#x2F;color-in-these-patents-from-national-a...</a>, which points to this.