Ben Goldacre is a physi­cian who also authors books about peer­ing through the haze of phar­ma­ceu­ti­cal research.  His writ­ing style helps explain the sci­en­tific method and exposes quack­ery in all forms, whether inside or out­side of the med­ical pro­fes­sion.  His site is here.

The Cochrane Col­lab­o­ra­tion is ded­i­cated to improv­ing the use of evi­dence in guid­ing med­ical deci­sion making.

The Car­lat Psy­chi­a­try Report is must — read­ing for psy­chi­a­trists.  The author is ded­i­cated to improv­ing the qual­ity of psy­chi­atric research and med­ica­tion safety/efficacy.

TED — Ideas worths spread­ing hold inter­na­tional con­fer­ences and hosts videos that aim to expand crit­i­cal and novel thinking.