Related topics: brain · neurons · retina

How did reading and writing evolve? Neuroscience gives a clue

The part of the brain that processes visual information, the visual cortex, evolved over the course of millions of years in a world where reading and writing didn't exist. So it's long been a mystery how these skills could ...

Details that look sharp to people may be blurry to their pets

Compared with many animals, human eyes aren't particularly adept at distinguishing colors or seeing in dim light. But by one measure at least—something called visual acuity—human eyes can see fine details that most animals ...

Getting the world to listen

Scientists and researchers often find it challenging to get people interested in their work. It is possible to be a leading expert in a field and still be unfamiliar outside the modest circle of colleagues in the same field. ...

How video can help police – and the public

With three billion camera-equipped cellphones in circulation, we are awash in visual information. Cameras are lighter, smaller and cheaper than ever and they're everywhere, making it possible for nearly anyone to watch, create, ...

Digital messages on vehicle windshields make driving less safe

Augmented-reality head-up displays (AR-HUDs) that present digital images on windshields to alert drivers to everything from possible collisions to smart phone activity, are meant to make driving safer. But University of Toronto ...

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