Do you know your geek trivia? Let Head Squeeze show you a thing or two. Find Your Channels during YouTube Geek Week, coming August 4-10 http://www.youtube.com/youtubeuk?feature=inp-be-geu SUBSCRIBE to get YouTube Geek Week posts from the YouTube Spotlight channel: http://www.youtube.com/youtubeuk?feature=inp-be-geu&sub_confirmation=1 GOOGLE+: Follow +YouTube (http://plus.google.com/+YouTube) and use #GeekWeek (http://goo.gl/PrQ9CQ) TWITTER: Use #GeekWeek (http://goo.gl/dAfS4A) and tweet @YouTube (http://twitter.com/youtube) WATCH More of PeriodicVideos - http://www.youtube.com/periodicvideos WATCH More Head Squeeze - http://www.youtube.com/headsqueeze WATCH More The Royal Institution - http://www.youtube.com/theroyalinstitution YouTube Geek Week is August 4-10 on the YouTube Spotlight channel. The YouTube Spotlight channel selects the best trending videos from across YouTube and posts them to your feed daily.