Joscelyne Kerr, 19, was diagnosed with an ultra-rare and cancerous tumour after noticing the pupil in her eye had expanded so ...

Initially, an optician in June of that year suspected it to be a rare neurological condition known as Adie pupil. However, as ...

Spending on classroom instruction in Kyrene and Tempe Union school districts last school year dropped several percentage ...

When LJ Martin broke through the line of scrimmage for a 35-yard run in the warm sunshine on Tuesday, it didn’t feel like ...

A recent study observed sleeping participants' pupils during sleep, using a new method that could have implications for ...

Scientists have discovered that our pupils continue to change size while we sleep, revealing unexpected fluctuations in brain ...

ETH Zurich researchers found that pupil size changes during sleep, indicating shifts in brain activity. This could help ...

For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during ...

A new study reveals that pupil size fluctuates constantly during sleep, reflecting changes in brain activation levels.