Overrepresented, 11 letters across
+ Denial, Melting Flags, The most beautiful song of the year (#326)
+ Denial, Melting Flags, The most beautiful song of the year (#326)
And how to be a «hopeful skeptic» (#509)
And: the secret, magical life of lithium (#508)
And, unrelated: the search for the world's funniest joke (#507)
Also: Chasing a car into the future. (#506)