作为提高安全保障措施中的一部分，英国国家障碍赛马大赛的参赛人数从40人减少到34人。 The Grand National, regarded by many as the world's most famous horse race, features jockeys and horses negotiating 30 fences over more than four miles, and ...

“Sawfly（锯蜂）” 是一种与黄蜂相似的昆虫，这种昆虫会切开植物并把自己的卵产在切口处。苏格兰赫瑞-瓦特大学的研究人员一直在研究雌性锯蜂怎么知道如何做出这种独特的切割，从而避免杀死或损伤植物。

With more than a decade of experience, Nelson covers Apple and Google and writes about iPhone and Android features, privacy and security settings, and more. Regardless of the features that made major ...