You have probably heard the saying that the eyes are the windows to the soul, but now it turns out that they are also ...

Most folks don't know how to properly focus binoculars. Here's how to adjust binoculars so that you can glass better in the field.

Researchers have discovered a fundamental mechanism that affects pupil size: breathing. The study shows that the pupil is ...

Researchers at Karolinska Institutet in Sweden have discovered a fundamental mechanism that affects the size of the pupil ...

Caerphilly County Borough Council’s cabinet members have agreed, following a public consultation, to pursue changes that will only affect secondary school-aged children. Secondary pupils currently ...

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 ...