Aaron Cooke reports on Sydney Council's plan for 85% efficient gas trigeneration power plants for Sydney, Ian Woolf speaks with Lief Hamlin about sports networks from NICTA, News by Marc West - Pacific Islands unihabitable but above water in 100 years - Caffeine alertness is an illusion of addiction - soil bacteria makes you temporarily smarter - ultrasound blast to the testicles for contraception Presented and Produced by Ian Woolf