spider walking

Do Spiders Climb? These tiny setules — more than 620,000 in all — give spiders their superior ability to climb up water spouts, along walls and across ceilings. The scientists estimated spiders are able to grip surfaces with a force greater than 170 times their own weight. How high can a spider climb? Spiders can

How Do Spiders Climb? A spider has more than half a million of these setules, all of which end in a triangular tip. These are flexible hairs, though, not pickaxes, so spiders don’t actually dig into the wall as they climb. Rather, their setules trigger a scientific reaction that helps them adhere to a flat