Sophie Zadeh: Are there universal expressions of emotion?
The 40 or so muscles in the human face can be activated in different combinations to create thousands of expressions. But do these expressions look the same and communicate the same meaning around the world regardless of culture? Is one person's smile another's grimace? Sophie Zadeh investigates. [TED-Ed Animation by Estúdio Bacuri]
Sophie Zadeh: Assisted reproduction: an end to traditional family values?
"Traditional" family values infuse ideas about innovative forms of family building, in ways that are (i) productive and (ii) problematic.