Steve Caplin discusses the Yardroid, a robotic gardener that can even help guard your property, though he warns that cheap smart doorbells, designed to do just that, can easily give others easy access to your home wifi network. There are more flights to nowhere, this time for Buddhist monks and Taiwanese speed daters. There's a tech game table loaded with board games and Parisian e-bike ambulances. As for the animal kingdom, there's not only talk of pain relief drugs being derived from tarantula venom, but also how camel fur might be used to develop new cooling material.