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　　Dr Helen Czerski examines the world of sound waves.

　　食物 - 美味的科学讲述的是你的盘子上食物们的科学故事。迈克尔·莫斯利（Michael Mosley）和詹姆斯·黄（James Wong）为每一口食物里蕴含着的物理学、化学和生物学欢呼。他们一起走

　　MasterChef Junior is an American cooking competition television series that is airing on Fox. It p

　　More than half of us now live in cities. Crowded, chaotic and bursting with life - these are place

　　The three-part series follows Jimmy Doherty as he visits British couples and families who have giv