How telescopes such as Herschel use infrared eyes to see where stars are being born.
BBC One except Northern Ireland
BBC One Northern Ireland
1/4 Dr Rhys Jones deals with an escaped snake, a big cat sighting and a lonely chimp. (R)
Following giant pandas Tian Tian and Yang Guang's resettlement in Edinburgh Zoo. (R)
8/14 Documentary following a pair of tigers that have been released in a nature reserve. (R)
Tuesday 14 February 2012