Researchers discovered the blood vessels at the back of the eye -- called retinal microvasculature -- can show early signs someone is at risk of developing dementia.

You can see something 20 feet away that others need to be 15 feet away to see. That means your vision is a little sharper ...

A pattern of distorted lines is visible as a reflection in this close-up view of a human eye ... In a desirable "side effect, ...

[Photo provided to China Daily] The popular Chinese saying that "A good surgeon must have an eagle's eye, a lion's heart ... it to some extent overshadows the human vulnerabilities and emotional ...

What's more, according to their analysis of modern human DNA, one of these isolated populations left a stronger legacy in our genes than the other. "The question of where we come from is one that has ...

Recent findings from samples collected by China's Chang'e 6 mission have provided valuable insights into the history of the moon, particularly its far side. The Chang'e 6 mission launched in early ...

But a new eye stem cell transplant may change that ... and none of the patients experienced any major side effects in either the donor’s or recipient’s eyes. For decades, severe corneal ...

There isn't any reason to suggest that human intellect has been harmed, the publication counters — but in "both potential and execution," our intelligence is definitely on the downturn.

Despite being a mainstay of Parkinson's disease treatment, levodopa, a dopamine-replenishing medication, can cause nasty side-effects with long-term use. A recent human trial found that a new drug ...

The research team at the Atapuerca archaeological sites in Burgos, Spain, has just broken its own record by discovering, for the third time, the oldest human in ... The Dark Side of the Moon ...

Researchers discovered the facial fragments in a cave in northern Spain. National Research Center for Human Evolution Researchers in Spain have discovered mysterious fossilized facial fragments ...