A Moment of Science

Posts tagged vision

May 28, 2014

 

Macro image of bubbles in wine

Is Getting ‘Blind Drunk’ A Real Thing?

Is drinking yourself 'blind' just an exaggeration, like 'eating till you burst'? Or can alcohol really turn out the lights?

August 1, 2013

 

A male tungara frog (Engystomops_pustulosus) emits its mating call.

For The Tungara Frog, Two Cues Are Better Than One

Mate selection is tricky business. Here's how one amphibian merges two senses to narrow down its options.

June 11, 2013

 

Rats, humans, and other vertebrates evolved from a common ancestor that already had a system of muscles for moving the eyes

Double Vision Normal For Rats

Rats have a strikingly different visual system than our own, one that is carefully attuned to their unique needs.

May 21, 2013

 

The box jelly has a distinctive four-sided structure

The Alien ‘Brain’ Of The Box Jelly

The box jelly has evolved a central nervous system unlike any other animal on Earth.

May 15, 2013

 

blue eye close up

Change Blindness And The Mysteries Of Vision

Vision may not involve creating an inner model of the world in the brain.

February 1, 2013

 

Blue sky with sun reflecting

Blue Sky + Looking Up = Seeing Tiny Dots And Swirls

Have you ever been staring into space, or gazing up at a clear, blue sky and suddenly noticed clusters of tiny dots and swirls?

April 3, 2012

 

a journal with a latin palindrome and the words

Getting It Backwards

Why are letters reversed in a mirror? Try this experiment with pen and paper.

March 19, 2012

 

target on target range

Ready, Aim, Shoot! How Marksmen Use Heartrate To Shoot

Research shows that marksmen shoot most accurately when their hearts' rhythm increases from eight to twenty beats per minute over their resting heart rate.

January 24, 2012

 

two people laying in the grass with their hands over their eyes

Night Vision And Humans: Why Can’t We See Color?

When we are in a fairly dark room, or outside at night away from lights, we can still see, but we can't see the colors of things very well. Why is that?

November 15, 2011

 

thaumatrope creation

What Is A Thaumatrope?

Did you know that the thaumatrope was invented by an English physician named J. A. Paris in 1926?

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