On a recent foggy morning, the spiders' night's work was astonishing, with webs of all different sizes, shapes and configurations. This site explains and shows how a web is created:
Here are some Orb weavers and their amazing, intricate webs:
and Sheet web spiders, including Platform spiders at a greater number than I have ever seen before in the last several years. Within a greater complex of webbing, there is a platform that looks like a parachute.
Here is prey wrapped in silk with the spider located right under it:
Here is another orb weaver in a Sweetgum tree processing its prey:
According to recent research, spiders can learn how to catch prey more effectively. See articles:
Here is a Penn State publication on Spider ID in PA: http://pubs.cas.psu.edu/freepubs/pdfs/uf019.pdf
In search for more information about spiders, I found these interesting and informative blogs: