New studies suggest that early signs of Alzheimer’s disease could be detected through a person’s eyes and nose.
Neurons don't exactly like crowds. Researchers have determined that nerve cells in the human eye actually have a mechanism in place to ensure that they don't go invading one another's "personal space" when forming, according to a recent study.
Researchers have successfully crafted a functioning human retina using human stem cells. This lab-made retina is miniature compared to the real thing, but the researchers claim it can sense light much like its natural counter-parts, according to a recent study.