It's Mardi Gras season in New Orleans, when paradegoers look forward to catching things like beads. Now, often these beads are made of plastic. But plastic beads can be toxic and bad for the ...

Louisiana State University Associate Professor Naohiro Kato is at it again. He and his students have produced 1,500 cool-looking, 3D-printed, biodegradable Carnival bead necklaces, some of which will ...