A megalodon match-up; cloudy with a chance of Martians; the birthday behind bars; and a crash course in civics.

Your daily kids news podcast. The Sensational World of Civics Gang-Gang's Guide to Referendums Turns out, primary school kids are beating high schoolers when it comes to understanding civics! A national test showed only 28% of Year 10 students passed. Scientists found deep scratches on ancient Megalodon teeth—marks that could only have been made by another Megalodon! These giant sharks might have battled each other for food, territory, or just to prove who had the biggest chomp. NASA’s Curiosity rover spotted shimmering, colourful clouds drifting across Mars! These "night-shining" clouds pop up at the same time every year, suggesting Mars might have seasons like Earth. A New York woman spent her 104th birthday in jail—on purpose! Loretta Chamberlain wanted to experience life behind bars, so police handcuffed, fingerprinted, and even locked her up. For the full episode transcript, click here. Check out the Squiz Kids website for all of our other Fun, Free and Fresh offerings! What is Newshounds - video explainer. Find out more about Newshounds. Get started for free HERE.