We know very little about white sharks, but the most mysterious thing is that they gather in a place in the middle of the Pacific called the White Shark Café.
The natural history of the Sahara tells us of a green and prosperous past, and today the remains of that exuberance nourish the largest forest in the world.
Today is Saint Patrick's Day in Ireland, whom we associate, among other symbols, with the image of a four-leaf clover. But that symbol of good fortune is not a true four-leaf clover.
Apart from the famous example of 'Elysia chlorotica', there are many more animals that capture chloroplasts or algae cells to carry out photosynthesis.
Danni Büchner is invited to Sam Dylan's Halloween party. But the "Goodbye Germany" emigrant has no desire for many other party guests. And find clear words.
