Screen Addicts Investigates Internet Addiction Disorder. It's now a genuine psychological illness ruining lives and even changing the way our brains process information. Worse still, experts are seeing dangerous signs in toddlers. Matters of the Heart Spends time in Fiji with inspirational volunteers, Australian doctors and nurses who are saving the lives of dozens of Fijian kids. Elon Musk Meets Elon Musk an engineer and entrepreneur worth more than 15 billion dollars. His next venture is truly out of this world: the colonisation of Mars.