The researchers utilized special electric signals generated by eye movements to control and change the focal length of the soft lens.
Our brains create new memories, and forget old ones, by forging and breaking connections between nerve cells. Now researchers can do something similar using a light-sensitive electronic chip.
The printer uses a process called free-form printing to create intricate structures.
Scientists say the glue could even be injected into the body to treat deeper injuries.
A protein found in the tentacle's teeth proves versatile and easy to reproduce.