http://ars.els-cdn.com/content/image/1-s2.0-S092544391000013X-gr1.jpg
wget ...
--2016-06-15 12:38:12--  http://ars.els-cdn.com/content/image/1-s2.0-S092544391000013X-gr1.jpg
Resolving ars.els-cdn.com... 188.43.76.48, 188.43.76.80
Connecting to ars.els-cdn.com|188.43.76.48|:80... connected.
HTTP request sent, awaiting response... Read error (Connection timed out) in headers.
Retrying.

--2016-06-15 12:38:43--  (try: 2)  http://ars.els-cdn.com/content/image/1-s2.0-S092544391000013X-gr1.jpg
Connecting to ars.els-cdn.com|188.43.76.48|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [image/jpeg]
Saving to: “/ahuman/mediawiki/ahwiki/images/ext/886e6477ca42d606dd31c94f836eb5d4.jpg”

     0K .......... .......... .......... .......... .....      11.4M=0.004s

2016-06-15 12:38:44 (11.4 MB/s) - “/ahuman/mediawiki/ahwiki/images/ext/886e6477ca42d606dd31c94f836eb5d4.jpg” saved [46470]