once it s been agreed on, each new biological sign is recorded for the video dictionary. for deaf students, these are more than just words. they re visual explanations. i really like science and i love learning it. and it s easier to learn when we have the signs. it s language that s helping some of the next generation of scientists to understand and talk about the world around them. victoria gill, bbc news in glasgow. the bristol balloon fiesta is taking place once again this weekend it s an important event for thousands of people. hundreds of fans were up early to see the first mass ascent from ashton court more than 50 balloons are floating over bristol heading north east over the city centre towards filton and winterbourne. the fiesta is entering its second day after thursday evenings