Walk through a damp garden or cellar and you may spot a silk sheet funneling into a dark tube. Spiders from distant branches of the family tree build this exact trap, and a new genome study now shows how they got there. What a Funnel Web Actually Is A funnel web has two parts: a flat sheet of tangled, non-sticky silk and a tube-shaped retreat at one end. The spider waits … [Read more...] about Hundreds of Millions of Years Apart, These Spiders Build the Same Trap — and No Single Gene Explains It