How spiders cling to the ceiling
Anyone who wants to walk along the ceiling as a human probably needs Konrad's super glue from the story "Pippi Longstocking" or another technical trick. However, some animals naturally have the ability to defy gravity and can crawl along walls or ceilings. Using the hunting spider as an example, German researchers have investigated which molecular structures enable the animals to permanently withstand the enormous mechanical stresses that act on their tiny adhesive hairs.