The intricacy and seeming perfection of the eye ... anterior chamber, iris, ciliary body, lens, and four chapters on retina. Each chapter is a skilful blend of anatomy and up-to-date physiology.

Human eyes are actually spheres. The part that we can see is only just the front. That coloured circle is called the iris and the black spot in the middle is the pupil. This is the part of the eye ...

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