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Posts tagged vision

October 23, 2017

 

four shadows in a purple room

Your Shadow’s Edge

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

August 10, 2017

 

A fish in a fish tank.

Evolving Fish Vision

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

August 4, 2017

 

three mice: two in a running wheel, one with only head visible on the left

Three (No Longer) Blind Mice

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

May 23, 2017

 

A close-up shot of a succulent plant from overhead. It fills the entire screen. Its leaves are a light green in the center and the beginning, but on the outside edges, the majority of the leaves are a dusky purple.

Is Your Succulent Watching You?

Some scientists have theorized that plants can see.

April 25, 2017

 

A picture of a bonobo looking into the distance. He seems to be deep in thought.

Bonobo Bifocals

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

February 23, 2017

 

Ghostly fogbow over ocean

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

 

A photograph of what appears to be a pond. Green-brown algae is on the edges. In the middle of the photograph and the pond, you can see below the water's surface. What you can see is seaweed. A few dark blue spaces.

A Fishy Gaze

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

December 19, 2016

 

A close up on an eagle owl's face.

Staring Eyes and Swiveling Necks

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

June 3, 2016

 

green door with handle

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

 

starry sky captured in long-exposure

Autokinetic Effect

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

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