Subscribe to CBC News to watch more videos: Connect with CBC News Online: For breaking news .br You ability accept a replacement, Pluto. There could be addition planet in our solar system.br Here are 3 great Science Fair Project Ideas. They are interesting, relevant, and able to be done with readily available equipment. Check out other episodes at .br This HD dramatic video choreographed to powerful music introduces the viewerstudent to the wonder of Earth Science. It is designed as a motivational trailer .