Rebroadcast: Adidas sneakers made from vegan spider silk. Mushroom-based Dell computer packaging. Today, biofabrication--the science of growing raw materials in a lab--is producing everything from furniture to fabric.

Foreign governments are targeting our information, our infrastructure and even our democracy. But what constitutes an act of war in the digital age? When does espionage become an outright attack? Meet the soldiers in the fight for cyber security.

Countries such as Kenya and China have rapidly embraced mobile wallets. So why are Americans still reaching for cash and credit cards? We speak to the experts and explore a future where making a payment could be as easy as nodding your head.

As much as a third of seafood sold in the U.S. is mislabeled. But can technology and tracking keep the industry honest? Meet the fishermen, chefs and government agents working to ensure that the fish on your plate is the one you ordered.

Today, paraplegics can move robotic limbs using only their thoughts. But when it comes to our understanding of how the brain works, we still have a long way to go. Meet the scientists attempting to hack the world's most complex computer.

Vegetables engineered with the gene-editing technology Crispr are moving closer to supermarket shelves. But will these genetically altered foods carry labels to alert consumers? Or is gene editing, as some scientists argue, just a way to speed up evolution?

Restauranteur Kimbal Musk wants to feed America with hyper-local produce and robot-equipped kitchens. Anya Fernald, CEO of Belcampo, is rethinking the way animals are raised and slaughtered. We asked them how we'll be eating in the years ahead.

Restauranteur Kimbal Musk wants to feed America with hyper-local produce and robot-equipped kitchens. Anya Fernald, CEO of Belcampo, is rethinking the way animals are raised and slaughtered. We asked them how we'll be eating in the years ahead.

How will we travel to outer space? And what will we do when get there? Relativity Space CEO Tim Ellis and TransAstra founder Joel C. Sercel explain how everything from 3D-printed rockets to asteroid mining will help us explore, live and work in the final frontier.

How will we travel to outer space? And what will we do when get there? Relativity Space CEO Tim Ellis and TransAstra founder Joel C. Sercel explain how everything from 3D-printed rockets to asteroid mining will help us explore, live and work in the final frontier.