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Posts tagged vision

October 23, 2017


People's shadows are made by their bodies coming between a light source and a surface.

Your Shadow’s Edge

Looking at your shadow can teach you about how human eyesight and perception works.

August 10, 2017


Being able to see in air and water may have helped fish to evolve.

Evolving Fish Vision

Ancient fish that had evolved better eyesight may have hunted like crocodiles.

August 4, 2017


Three mice.

Three (No Longer) Blind Mice

In a recent experiment, scientists used transplated photoreceptors to restore vision in mice.

May 23, 2017


A succulent plant.

Is Your Succulent Watching You?

Some scientists have theorized that plants can see.

April 25, 2017


Bonobos are some of humans' closest living relatives.

Bonobo Bifocals

Humans aren't the only animals who become farsighted as they age.

February 23, 2017


Fogbow spotted off the coast

A Rainbow’s Ghostly Cousin

Fogbows are created in much the same way as normal rainbows are. The main difference is the size of the water droplets which affect the light's refraction.

February 16, 2017


How can Green Sunfish see so well in murky depths?

A Fishy Gaze

Green sunfish can see quite well in water that is thick and murky. How?

December 19, 2016


Owls can only look straight forward.

Staring Eyes and Swiveling Necks

Why are owls such efficient predators? Large eyes and flexible necks.

June 3, 2016



The Green Door

We don't perceive color in our peripheral vision because we have no cones, which sense light frequencies, on the outer edge of our retina.

April 27, 2016



Autokinetic Effect

Eye movements can cause you to mistakenly perceive isolated objects as moving.

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