
Imagine a world without refrigeration. Before early technology, food preservation was a challenge. So what did our early ancestors do before fridges were invented? And why were early fridges feared, rather than celebrated?
Chapters
(00:51) The early days of food preservation
(06:19) Cooling with nature's help
(07:47) The ice trade and urbanisation
(08:52) The advent of electric refrigeration
(12:43) Cultural and environmental impacts
(13:27) Inventing the tin can