What are wave energy generators and how do they work?

BtN looks at the tough new coronavirus restrictions in Melbourne. Right now there's a lot of debate going on about whether kids under 14 should be put in detention. Meet an 11-year-old Arrernte/Garrwa boy who's passionate about the issue. The year 2020 marks 75 years since two atomic bombs were dropped on the cities of Hiroshima and Nagasaki in Japan. Find out more about the bombing of Hiroshima. Meet a young person with alopecia and find out more about the condition. Catch up with Arlo, a young punk music fan from the UK who's now the editor of his own music magazine.

The University of Oxford has announced they have some promising results from a recent trial of its COVID-19 vaccine. Take a closer look at Oxford’s vaccine and why it’s got people excited. With face masks now mandatory in Victoria’s COVID-19 hotspots, find out more about masks, how well they work and how to wear them correctly. Scientists in New Zealand have developed a new way to warn people if a volcano is about to erupt. Learn about the giant cuttlefish and why there’s a push to protect them from fishing. Some students have come up with a creative and safe way for people to visit their school – using Minecraft!

Melbourne is back in lockdown after a big spike in COVID-19 cases. BtN finds out what’s been going on and checks in with some kids in Melbourne. China has passed controversial new laws for Hong Kong. Take a look at what the new laws are and why they’ve made a lot of people worried about the city’s future. There’s been talk in several countries, including Australia, about whether or not TikTok should be banned, so BtN looks at why that’s happening. Three rovers are set to blast off towards Mars in the next few weeks. Learn more about these missions and the history of Mars exploration. Plus, meet one of the young stars of Mackaroy Uncovered, a new ABC fictional podcast for kids.