The peripheral drift illusion causes us to perceive motion in a still image. A new study shows that the mechanism of this illusion relies on changes in pupil size.

A seventh person is hiding in plain sight in the picture. Do you have the sharpest vision to spot the seventh person in 7 ...

Radiologists are particularly adept at spotting optical illusions, according to a new study that sheds light on how one could ...

Fibre optics and optical communications is the use of thin strands of glass for sending information encoded into light over long distances. Total internal reflection prevents light inserted into ...

From crazy food creations to wild illusions and epic fails ... by the Bag-Full Parents whose kids become confident, successful adults avoid this 2-word phrase, says Ivy League-trained psychologist ...

Optical illusions have fascinated people for centuries, challenging the brain and eyes to work together in decoding hidden patterns. In our today's optical illusion, a sea of "20s" cleverly hides a ...

In a custodial account, an adult controls investments on behalf of a minor until the minor reaches 18 or 21 years of age, depending on the state. To start, you’ll need to educate yourself about ...

In this particular picture in question, you have to find a fish hiding in a black-and-white lined drawing of a leopard resting on a tree branch.

"The time of illusions is now over. Europe is called to take greater charge of its own defence," the European Commission president told the EU's parliament. "We need a surge in European defence. And ...

Blue Cross Blue Shield has the best health insurance for young adults because it's easy to find covered doctors. Kaiser Permanente offers the cheapest health insurance for young adults who can get it.

Optical illusions are a fascinating method of illustrating ... an ideal exercise for kids and adults as well. Thousands tried to shatter this illusion, but hardly anyone succeeded within the ...