The idea of growing a new tooth in adults — something that until recently seemed like science fiction — is becoming a real possibility thanks to a clinical study conducted in Japan . Japanese flag, Mount Fuji, and cherry blossoms. Unlike reptiles and fish, which generally replace their prey regularly, it is widely accepted that humans and most other mammals develop only two sets of teeth. According to the research, hidden beneath our gums are the dormant buds of a third gene

On October 29, 2025, at the Rambam Health Care Campus in Haifa, Israel, a silent medical procedure marked one of the most significant advances in modern ophthalmology: the first successful transplant of a fully 3D bioprinted cornea , created entirely from human cells grown in a laboratory. The patient, legally blind in one eye, regained her vision after receiving the PB-001 implant, developed by the Israeli-American company Precise Bio , which specializes in regenerative m

A microscopic photograph of a spider's silk tappers reveals one of nature's most sophisticated biological systems. These are microscopic structures, individually invisible to the naked eye, although the spinnerets that house them can be observed in some species. Source: Microscopic images @microscopicture The silk taps (or spinnerets ) are located on the spider's abdomen and function as highly specialized microvalves. Each one is connected to distinct glands, responsible f