If you're an arachnophobic you might want to turn away: this video of a Sicarius (a six-eyed sand spider) rapidly covering itself up might just make you itch!
You see spiders all the time, crawling across the wall or the floor just going about their business. Did you know you can affect their movement by giving them an imaginary boundry? Check out this video of a spider that falls for the 'ole pen on the wall trick.