All the spiders in the world combined annually eat about 440 to 880 million tons of insects and other pests — equal to the weight of more than 85 million elephants, according to a new study. That's a ...

As undesirable as it might be, we're pretty much surrounded by spiders at all times, and if the arachnids' generally unsettling appearance wasn't enough to make that a vertiginous thought, consider ...