The German space agency has supplied an experimental box containing fish, plants, worms, bacteria and even human cancer cells for a series of biological studies.

德国航天局提供了一个实验箱，包含有鱼类，植物，蠕虫，细菌，甚至人类癌细胞，以作一系列生物研究。

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From German Christmas goose to "fur coat" fish, here are just some of the ways people celebrate Christmas around the world.

从德国圣诞烧鹅到䆘“皮草鱼”，下面是世界各地的人们庆祝圣诞节的一些方式。

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The global figure for stocks of fish that are endangered or in a very bad shape is 20%, according to Frans Muller, chief executive of German supermarket group Metro, which he says is "by far the largest seller of fish in Europe".

BBC: Davos 2013: Iceland slams Europe over fishing policy