She put the headset on again. ‘I can’t see anything.’ ‘I haven’t turned it on yet!’ laughed her father. ‘Wait!’ Elli’s father was an inventor. He worked for a big company and was always making new ...

Alice meets all sorts of creatures as she swims around in a pool of her own tears. She joins in a Caucus-race: but how can you win a race with no rules? And who will give the prizes?

Introduction: Tannin content is a key factor influencing the taste of walnuts and serves as an important index for evaluating walnut quality. Rapid and accurate detection of tannin levels in walnut ...