Romantic attractions between teacher and student may be as old as pedagogy itself, but now such relationships cause people to worry about abuses of power and litigation. Only half of institutions have any guidelines on such relationships. Are they needed? asks Hannah Fearn
... but our tastes are swayed by price, packaging and other social psychological factors in ways we're often unaware of. Matthew Kieran considers the fragility of aesthetic opinions in the latest in our fortnightly series allowing academics to step outside their field of expertise
The ban on performance-boosting substances in sport is a self-satisfied nonsense, argues historian Geoffrey Alderman in a fortnightly series allowing academics to step outside their area of expertise
Torture cannot be justified, says Philippe Sands, an academic and barrister who has traced how the US came to sanction the practice after 9/11. It doesn't work and it costs us dearly, he tells Matthew Reisz