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