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Today’s optical illusion is challenging people to find a hidden "25" among a grid of "22" and "55." This brain teaser plays on pattern recognition, making it difficult to spot the odd number. So are ...

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Researchers have discovered a fundamental mechanism that affects the size of the pupil, namely our breathing. The study shows that the pupil is smallest during inhalation and largest during exhalation ...

Deep within the vast expanse of the Sahara Desert lies an enormous, circular formation spanning nearly 50 kilometers—an ...

Experts estimate that the human eye has a resolution of approximately 576 megapixels (MP). This means that to view the world with the same level of clarity, color accuracy, and detail, a camera ...

Photonics researchers from Tampere University, Finland, and Kastler-Brossel Laboratory, France, have demonstrated how ...

The main genes influencing eye color are OCA2 and HERC2. Both are located on human chromosome 15. Genes thought to interact with OCA2 and HERC2 to determine eye color include ASIP, IRF4, SLC24A4, ...

At a time of increasing anxiety about physical anatomy, figurative sculptors are breathing new life into one of the world’s ...

“This definitely isn’t suitable for people needing human input to help with their ... There are also interactive worksheets that you can use alongside working with a therapist and a daily ...

Neurodiversity is the idea that variation in brain function exists across the population. Differences such as autism and ADHD have existed throughout human history ... each with one eye, with ...

But how can an eye movement index accurately reflect the function of spatial orienting? In terms of anatomy, the brain regions responsible for orienting function and eye movement are mostly overlapped ...