We are doing some essential maintenance work and you will not be able to register or update your profile setting until we've finished, which should be at about 9pm this evening.
We apologise for any inconvenience - you will be able to register shortly. In the mean time you will still be able to log in as usual.
Infamous cases of misconduct such as that of Paolo Macchiarini are just the extremes on a long spectrum of dubious research practices, say Nick Butler, Helen Delaney and Sverre Spoelstra