A memorable conversation with Oliver Sacks reveals what might have been his greatest attribute: undying curiosity.

Filmmaker Ric Burns describes the turn of events that led to his latest project, a documentary of the prolific author and neurological anthropologist, Oliver Sacks.

Today’s round-up of need-to-know stories features a rare argument in favor of Google Glass, a lyrical take on the intelligence of worms and jellyfish, and a discovery that might help explain how galaxies work.