Spider webs are made from a protein fiber which we call silk. It is both strong and stretchy but not all spider silk is the same, there are several different types. Spiders produce silk using special ...

A subgroup of air-breathing, terrestrial (land) arthropods, spiders are not actually insects but rather belong to the Class Arachnida (a.k.a. arachnid). Besides spiders, other arachnids include ...