50 years ago today, Martin Luther King inspired a nation with his I Have A Dream Speech. What if Martin Luther King was never allowed to put his revolutionary dream into action, stifled by an educational climate that promotes conformity, efficiency, and standardization?
Vision is arguably our most (consciously) utilized sensory system, so its pretty important to figure out how it works. And it's what David Hubel and Torsten Wiesel set out to investigate starting in the late 1950s.
Editor’s note: Brain Basics from Scientific American Mind is a series of short video primers on the brain and how we feel, think and act.
At first glance, most eyes look the same. There’s a small opening through which light passes. That light goes through the transparent liquid behind the lens and strikes the retina, a thin film of light-sensitive nerve cells that line the back of the eye.
The vanishing octopus is back. This stunning cephalopod, caught on video by Roger Hanlon, a senior scientist at the Woods Hole Marine Biological Laboratory, has been making the rounds online again.
Hubel had an irreverent attitude towards science “with a capital S”.
Can scarfing carrots really help you see better in the dark?
A simple exercise reveals how the ear’s vestibular system affects your vision.
// Learn what causes dizziness in this new video from Scientific American‘s Instant Egghead series. In this short movie, I explain how your inner ears work to help you balance, orient yourself and see what’s around you in a stable fashion.
James DiCarlo is a professor of neuroscience in the Department of Brain and Cognitive Sciences at MIT who researches visual object recognition in primates.
Light triggers a quick neural reaction even in blind people