- A speculative hypothesis was floated that gravity might be an emergent “effective electromotive force” produced by all the matter beneath an object, rather than a fundamental interaction.  
- Multiple Australian hover-vehicle projects were shared: the tongue-in-cheek Arngren “hoverpod” site (http://arngren.net), the more serious Entecho coaxial-fan craft (http://www.entecho.com.au), and the Hover-Bike prototype with flight-test videos (http://www.hover-bike.com/videos.html).  
- Discussion of Switzerland’s proposed unconditional basic-income referendum (NYT article: http://www.nytimes.com/2013/11/17/magazine/switzerlands-proposal-to-pay-people-for-being-alive.html) raised practical questions about eligibility for non-citizens and the country’s general immigration climate.  
- A Science Translational Medicine paper on translational therapeutics was retrieved via paperbot (DOI 10.1126/scitranslmed.3005972).  
- A brief, humorous exchange pondered whether a dog could be classified as a biological weapon, highlighting the channel’s running interest in unconventional threat models.