Doubling human life expectancy in a century is our greatest achievement, says author Steven Johnson. How did we make it happen -- and can we keep it going? Backed by fascinating historical anecdotes, he shares some life-lengthening...

Pasteurization or pasteurisation is a food preservation technique used to eliminate pathogens and extend shelf life. But how does pasteurization work? What foods are pasteurized? And why should we care about it? In this video, we will...

A small-scale dairy farm focuses on sustainable practices and energy efficiency, operating off the power grid and producing raw aged cheese from a herd of Nigerian Dwarf goats. The farm's size and operations are intentionally designed to...

The United States is grappling with a large avian flu outbreak in dairy cattle across multiple states. Traces of the virus have even been found in the milk supply there and Canadian scientists are urging the federal government to do more...