TV & radio guide - Thursday

Routes of English (9.00 am R4). Cornish versions of English. » The Routes of English
CrossingContinents (11.00 am R4). Andy Kershaw in the USA, on the deportation of "criminal aliens".
EUtopia  (11.30 am, repeated 1.30, 3.30, 5.30, 7.30). Another documentary from the series on Europe features German women who have married local shepherds on the Greek island of Skyros, and two ageing couples in Northern Finland. Although some EUtopia  episodes were shown on BBC2 earlier this year, this isn’t one of them.
When Knights Were Bold (3.45 R4). Michael Rosen with part four of his survey of history in children’s fiction. "War and Peace" - Percy Westerman, W.E. Johns, etc.
The Material World (4.30 R4). Research on the genetics of smoking with Oxford’s Robert Walton.
Document (8.00 R4). "Camping with Hitler". How - and why? - did the Nazis try to infiltrate the Boy Scouts.
Analysis (8.30 R4). If globalisation and cyerspace really has taken hold, why do certain businesses cluster together? Diane Coyle on why place still matters.
The Windsors (8.00 C4). This re-edited series reaches Edward VIII’s abdication and George V during the war.
What Rubbish? (8.05 World Service, repeated Friday 2.05 am and 3.05). Susie Emmett concludes her series on the global problem of domestic and industrial waste.
This Meaningless Life (8.45 R3). UWE’s Susan Blackmore with a new series asking scientists how they reconcile their professional activity with their personal beliefs - beginning with Guy Consolmagno, the Vatican’s astronomer.
Horizon (9.00 BBC2). The subject of gender identity, with the case of a Canadian boy who grew up as a girl; the ideas of psychologist John Money, who thinks gender is a product of nurture; and those who don’t agree, such as Milton Diamond.
The Science of Crime (9.00 C4), a three-part Equinox special that begins with the psychopathic mind. Researchers Robert Hare, James Blair and Adrian Raine talk abut their findings on the brains of psychopaths. (Next week, forensic science with Kathy Reichs.)
Leading Edge (9.00 R4). Mazes and mathematicians.
Paolozzi (11.25 BBC2). Portrait of Edinburgh artist Eduardo Paolozzi, first shown on BBC Scotland.
Open Science (from 12.30 am BBC2). Including Biosphere 2 (2.30 am), on that experiment in Arizona, and Cosmic Recycling (3.00 am) on the death and birth of stars.