One of the most striking features of ungulates is that many of them – and the ruminants in particular have horns or antlers. Often these are very long or complex structure, and in the case of deer they are shed and regrown each year, a process that uses up a good deal of energy. They are obviously important. If such heavy, apparently cumbersome and energy absorbing structures were of little use, the processes of natural selection would have got rid of them long ago. So what are they for?

Always on Monday after Ash Wednesday, Basel celebrates its three day Fasnacht (carnival) which is unlike any other in the world. Should plan to immerse yourself into that fantasy world, you'll have to be aware of certain rules that apply to all comers. There are also certain things you should be aware of to avoid practical jokes being played on you.

Always on Monday after Ash Wednesday, Basel celebrates its three day Fasnacht (carnival) which is unlike any other in the world. Should plan to immerse yourself into that fantasy world, you'll have to be aware of certain rules that apply to all comers. There are also certain things you should be aware of to avoid practical jokes being played on you.