The bird retina is one of the most energetically expensive tissues in the animal kingdom, yet it doesn’t use the energy ...

For most of human history, green eyes didn’t exist. Understanding why they do now means rethinking what we know about ...

Abstract: Cataracts are clouding of the lens in the eye, leading to loss of vision that can progress to blindness if not treated. This paper proposed a new method for automatic cataract detection ...

Deep in human evolutionary history, before anything recognizable as a vertebrate existed, one of our oldest relatives had a ...

Eyebrows are more than just facial flair; they evolved from protective brow ridges to enable subtle emotional signaling and ...

The act of emotional crying is far from random or useless. Instead, it seems to be woven deeply into our social and emotional ...

From rigid brow ridges to expressive arches, your eyebrows tell a story of how human faces evolved to signal emotion, ...

A bizarre, cyclops-like creature from nearly 600 million years ago may hold the key to how your eyes—and even your sleep cycle—evolved. Scientists have discovered that all vertebrates, including ...

Dragonflies may see the world in a way that pushes beyond human limits—and surprisingly, they do it using the same molecular trick we evolved ourselves. Scientists discovered that these insects can ...

Sam Altman's cryptocurrency turned identity verification startup Tools for Humanity is offering a new set of perks to people who scan their eyes at one of the company's orbs. Among them, is a new tool ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Eye color comes down to a pigment ...

Scientists speculate that human eyes stand out more than chimpanzee eyes because there’s an advantage for humans in being able to see the subtle cues communicated by eye movement. Credit: PR Newswire ...