The human eye is a simple, but extremely robust, optical instrument. Analysis by sophisticated wavefront-sensing technology and customized ray-tracing has now revealed that the eye is actually an ...

For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids ...

MIT engineers have made a breakthrough in this area—they’ve developed a method to grow muscle tissue that contracts in ...

Scientists at MIT have created a new kind of artificial muscle that can flex and move in multiple directions, much like real ...

MIT engineers developed a method to grow artificial muscle tissue that twitches and flexes in multiple, coordinated ...

So, what was a third eyelid doing in a human? Most refer to such bits of tissue as vestigial. The word means a structure that ...

An icon of a traditional telephone receiver. An icon of a tick mark. An icon of a human eye and eyelashes. An icon of a human eye and eyelashes with a diagonal line through it. A two-lined pause ...