1:05 "Indoor Skydiving" Iain Finlay visits a unique attraction in Las Vegas. 1:28 Never knew that Abba were into this sport… 1:47 Vegas in the 80s! 7:48 "Giant Clam Conservation" Chris Ardell-Guiness presents a story about endangered giant clams and their unique physiognomy. 14:40 "Robot Chess Player" Jeff Watson demonstrates a robot chess player that seems unnecessarily creepy. 17:09 "Hotel Passkeys" Iain cannot contain his wonder in Norway, when he discovers that he doesn't need a key to enter his room, just a card. Which is acting as a key. Which makes it a key? 20:10 "Electrostatic Crimesolving" Jeff Watson reports from Essex on some amazing innovations in criminal detection work. Word of warning - this story contains some of the most pregnant pauses in TV history. 21:30 Nothing but fun times in the Watson household! 23:30 White Reeboks, white slacks. No, Chris, no! 23:39 "Body Spares" Carmel Travis reports on artificial joint implants. 32:54 "Halley's Comet" Jeff Watson walks us through a potted history of what was quite possibly the biggest disappointment of the 1980s, and then takes us to see the Japanese "Planet A" spacecraft, designed to do explore Halley's comet. If you are still awake at this point in the episode, have yourself a lollipop. 39:16 "DIY Aircraft" Chris reports from the Californian desert on some fascinating light aircraft designs that never seem to have *ahem* taken off. 45:37 Next week…