Science 2 March 2012; vol 335 (Table of contents)

Loose cable may unravel faster-than-light result. (Edwin Cartlidge, p1027)

'Killjoys' challenge claims of clever animals. (Michael Balter, p1036)

Origins of cumulative culture (Robert Kurzban and H. Clark Barrett, p. 1056).  Commentary on "Identification of the social and cognitive processes underlying human cumulative culture (L.G. Dean et al., p1114)