
*There are about 340,000 species of spiders. All are predators
*In many species of spiders—most famously the black widows—the female eats the male after mating
*Many spiders, particularly juvenile spiders, use a silk strand to move to new locations. They simply let the wind blow them to a new place
*Cobwebs have been used for dressing wounds. It seems to have an anticoagulant in the silk
*Some spiders are chivalrous; the male nursery spider presents the female with a captured fly before mating