Joseph Paul Jernigan, 38, executed Texas murderer, flourishes in his resurrection in cyberspace and shows every sign of fulfilling his promise as a peerless instructor of anatomy and unique teacher of ...

Human eyes perceive visible light as this array of colors ... Mixtures of wavelengths combine and appear as new colors. The human visual system interprets pure red light and pure green light combined ...

This new hydrogel system employs visible light—safe for the human body—to facilitate cross-linking, where the main components of the hydrogel bond and harden, and to simultaneously boost ...