TORNADOES Powerful tornadoes have devastated parts of America. People have died and thousands of buildings have been destroyed. BtN explains how tornadoes happen and why they are really common in this part of the world. VACCINATION ROW The vaccination debate is back in the news after the NSW Opposition said they want to introduce a plan to ban unvaccinated kids from childcare centres. Figures have also been released that show immunisation rates in some parts of NSW have hit record lows. BtN explores the impact vaccines have had on controlling disease over the years and why people are opposed to the new plan. MABO June 3rd marks the anniversary of the Australian High Court's landmark Mabo decision which gave important land rights to Indigenous Australians. We take a look at the life of Eddie Mabo and why he's considered a significant Australian. BLIND RADIO Nas Campanella has a voice that you may recognise as she's the newsreader on the radio station Triple J. But recently the newsreader was in the news herself when she let it be known that she is blind. So how does Nas read all those news bulletins and operate all the buttons and knobs if she can't see? LUGE GIRL BtN profiles a crazy and dangerous winter sport called luge. We meet an amazing athlete who's overcome some huge setbacks to become one of the best young competitors in Australia.