A team of researchers and designers has unveiled an unusual creation: a bag made from collagen derived from Tyrannosaurus rex fossils, in a project aimed at demonstrating the potential of lab-grown materials. The initiative, reported by Reuters, highlights the intersection between biotechnology and the luxury industry. The blue-green bag is on display at the Art Zoo Museum, in an art installation that includes a replica of a T. rex. After the exhibition ends, scheduled for May 11, the object