=== HTTP code : 200 ===

Response headers
================
HTTP/1.1 301 Moved Permanently
Server: Varnish
Retry-After: 0
Location: https://www.scientificamerican.com/article.cfm?id=backseat-drivers
Content-Length: 0
Accept-Ranges: bytes
Date: Wed, 27 Dec 2017 08:09:40 GMT
Via: 1.1 varnish
Connection: close
X-Served-By: cache-ord1730-ORD
X-Cache: HIT
X-Cache-Hits: 0
X-Timer: S1514362180.284309,VS0,VE0

HTTP/1.1 200 OK
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x-amz-request-id: 67C9DBA969339429
Last-Modified: Thu, 27 Apr 2017 17:58:00 GMT
ETag: &quot;9030636ddcb3cfcf774be57b675ec2ec&quot;
Content-Type: text/html
X-Backend: s3
X-Varnish-Cache: MISS
X-XSS-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Strict-Transport-Security: max-age=31536000
X-Frame-Options: SAMEORIGIN
Via: 1.1 varnish
Fastly-Debug-Digest: d3555c4fd86b223f19b448181a3f6b740b35bdc46ac20d6226a8f93ac901ace3
Content-Length: 31702
Accept-Ranges: bytes
Date: Wed, 27 Dec 2017 08:09:40 GMT
Via: 1.1 varnish
Age: 0
Connection: close
X-Served-By: cache-jfk8134-JFK, cache-ord1725-ORD
X-Cache: MISS, MISS
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X-Timer: S1514362180.327187,VS0,VE52
Vary: Accept-Encoding

Request headers
================
HEAD /article.cfm?id=backseat-drivers HTTP/1.1
Host: www.scientificamerican.com
User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)
Accept: */*
Referer: http://jagjuice.us
Connection: close


Link is valid.