http://www.nature.com/pr/journal/v71/n3/images/pr201138f1.gif
wget ...
--2016-06-15 12:24:42--  http://www.nature.com/pr/journal/v71/n3/images/pr201138f1.gif
Resolving www.nature.com... 87.245.200.56, 87.245.197.35
Connecting to www.nature.com|87.245.200.56|:80... connected.
HTTP request sent, awaiting response... Read error (Connection timed out) in headers.
Retrying.

--2016-06-15 12:25:13--  (try: 2)  http://www.nature.com/pr/journal/v71/n3/images/pr201138f1.gif
Connecting to www.nature.com|87.245.200.56|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 101935 (100K) [image/gif]
Saving to: “/ahuman/mediawiki/ahwiki/images/ext/6f9c7340846328c7a7cc1ccfc7300031.gif”

     0K .......... .......... .......... .......... .......... 50% 15.4M 0s
    50K .......... .......... .......... .......... ......... 100% 11.6M=0.007s

2016-06-15 12:25:14 (13.2 MB/s) - “/ahuman/mediawiki/ahwiki/images/ext/6f9c7340846328c7a7cc1ccfc7300031.gif” saved [101935/101935]