https://youtube.com/watch?v=fngw98RjBEcSan Francisco is booming but its rapid income growth has come at a cost. The city which hosted the free love and hippie movements is now a playground for the Silicon Valley tech crowd. So has San Francisco lost...

https://youtube.com/watch?v=iFTToTsJuY0Intelligent, indestructible and with no humans on board, these sailboats are plotting their own course through the waters of San Francisco Bay. If Richard Jenkins gets his way, soon there’ll be hundreds of them – trawling the oceans for...