Wow in the World WeWow on the Weekend
Mar 1, 2026
Two hosts invent a chaotic brunch spot with silly menu brainstorming and kitchen hijinks. A highlight encore explores 3D printing from pancakes to human cartilage. They discuss real-world and space uses of printing tech, including tools and structures for the ISS and Mars.
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Brunch Gone Wrong With Cereal Dust Pancakes
- Dennis and Reggie improvise a brunch restaurant and attempt to make pancakes from cereal dust and juice with a microwave, highlighting playful experimental failure.
- The bit shows creative play and comic cooking mishaps that set up the 3D printing segment.
3D Printing Builds Objects Layer By Layer
- Guy Raz explains 3D printers build objects by slicing a 3D model into thousands of layers and printing them bottom-up so layers fuse into a solid object.
- The hosts compare it to baking individual bread slices then gluing them into a loaf to illustrate the layer-by-layer concept.
3D Printing Can Grow Human Body Parts
- Guy Raz describes biofabrication: medical 3D printers can print living tissue by layering stem cells that transform into cartilage, skin, or organs.
- UCLA and Edinburgh teams scanned a patient’s good ear, printed a cell-friendly scaffold, and grew a new ear for microtia patients.