Peoria County Coroner Jamie Harwood clarified that brain death is determined by a series of tests, and that organ donation is ...

For almost every in-car technology, a time eventually comes when it loses its luster. There are good reasons why cars no ...

Georgia fifth grader Sarv Dharavane placed third in the Scripps National Spelling Bee, the youngest participant to make the final round.

Some people can't form mental images. Here's what scientists are learning about the condition known as aphantasia—and why ...

Your imagination isn't just one thing. The latest neuroscience is untangling just how diverse this faculty really is, says cognitive neurologist Adam Zeman ...

Pre-Flash Power: Pre-flash in some cameras causes pupils to constrict a sec prior to the actual flash.Use that mode! Look Away a Little: Tell your friends to look just off to the side of the camera.

Additionally, overly bright streetlights create a driving hazard, since they constrict pupils that would otherwise dilate under darker conditions, Motta says. “Blue light scatters much more in ...

However, it is not just light that our pupils respond to. It’s also well established that our pupils constrict when focusing on a nearby object, and dilate in response to cognitive effort or emotional ...

In bright conditions, your pupils constrict to limit light entry, protecting your retina and sharpening your vision. When darkness falls, your pupils dilate to capture more available light ...

However, it is not just light that our pupils respond to. It's also well established that our pupils constrict when focusing on a nearby object, and dilate in response to cognitive effort or emotional ...

It’s also well established that our pupils constrict when focusing on a nearby object, and dilate in response to cognitive effort or emotional arousal. As the German pupil-research pioneer Irene ...