The secret language of doctors

Why and how the 17th century Portuguese tropical medicine specialist, Aleixo de Abreu, tried to prevent proles from reading his cure for scurvy.

Scorbutic gums, CC from <a href='http://commons.wikimedia.org/wiki/File:Scorbutic_gums.jpg'>Wikimedia Commons</a>

Star Trek, the origins

Kalebeul’s investigation into Vosk and the Na’kuhl temporal conduit yields some surprising results.