404. That’s an error.
The requested URL /translate_c?hl=es&ie=UTF-8&sl=en&tl=es&u=http://www.pbs.org/wgbh/nova/teachers/video/&prev=_t&rurl=translate.google.es&twu=1&usg=ALkJrhivJ1VHPSw1Ex7Optuzv_QprJuwug
was not found on this server. That’s all we know.