Many, many years ago dinosaurs roamed the Earth. Six year old Aga knows that a meteorite wiped them out... but could another meteorite bring them back?  You can read a print version of this story here, and explore more articles from our Curious Kids series on The Conversation. The Conversation’s Curious Kids  podcast is published in partnership with FunKids, the UK’s children’s radio station. It’s hosted and produced by Eloise. The executive producer is Gemma Ware. Email your question to curiouskids@theconversation.com or record it and send your question to us directly at funkidslive.com/curious.    See omnystudio.com/listener for privacy information.