Creepy much! 16 amazing facts about spiders

Like cockroaches and lizards, these creatures, too, give the creeps to many around the world. But in reality, very few spiders cause any harm to human beings. Moreover, their intricate web-spinning skills with self-manufactured silk have inspired researchers and filmmakers alike. Spiders are arachnids—invertebrates with eight legs. Here are a few mind-boggling facts about these creatures.

Worldwide presence

Until now, scientists have identified over 44,000 spider species across the world—with roughly 4,000 species in North America only. Spiders are found on all continents, including the icy shelf of Antarctica.