�y��vlog

The meatball was the product of one of this century's most promising technological advancements — cellular agriculture.

Food companies' network Cellular Agriculture Europe said Italy was limiting options for consumers who are concerned about animal welfare and the environmental impact of their food choices.

Cellular agriculture involves taking stem cell samples and growing them in the lab to create cuts of meat identical to those from animal agriculture.

Animal-based systems will not be viable on Mars, but protein could be abundantly produced through cellular agriculture and precision fermentation.

Isha Datar is the executive director of New Harvest, a nonprofit institute that funds open, public research into cellular agriculture.