The provided URL http://www.pbs.org/wgbh/nova/elegant/media2/nova_eu_3012c01_caps.mov contains only subtitles - no video and no audio.
http://www.pbs.org/wgbh/nova/elegant/media2/eu.mov would be a better one. It contains a reference to a working URL: http://www.pbs.org/wgbh/nova/elegant/media2/nova_eu_3012c01_ref.mov (working in native VLC anyway)
The provided URL http:// www.pbs. org/wgbh/ nova/elegant/ media2/ nova_eu_ 3012c01_ caps.mov contains only subtitles - no video and no audio.
http:// www.pbs. org/wgbh/ nova/elegant/ media2/ eu.mov would be a better one. It contains a reference to a working URL: http:// www.pbs. org/wgbh/ nova/elegant/ media2/ nova_eu_ 3012c01_ ref.mov (working in native VLC anyway)