Popularity Dynamics and Intrinsic Quality in Reddit and Hacker News (2015) [pdf]pdfs.semanticscholar.org·62 pts·usgroup·12
Money and happiness: rank of income, not income, affects life satisfactionwrap.warwick.ac.uk·2 pts·usgroup·0
Activation of nervous system and attenuation of innate immune response in humanspnas.org·2 pts·usgroup·0