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35 optical illusions
By Patrick Pester last updated
Artists and scientists have been creating optical illusions for centuries. Here are 35 mind-bending examples that prove you can't always trust what your eyes are telling you.

Solution to 'cocktail party problem' could help people with hearing loss
By Lauren Schneider published
Researchers drew inspiration from the auditory system to design a solution for the "cocktail party problem."

Colors are universal — even if our perception of them is subjective
By Elay Shech, Michael Watkins published
Opinion An object's color appears differently under different lighting and against different backgrounds — for different viewers. But that doesn't mean colors are subjective.

Scientists hijacked the human eye to get it to see a brand-new color. It's called 'olo.'
By Nicoletta Lanese published
Using an experimental technique called "Oz," researchers stimulated the human retina such that people saw a brand-new color.

Largest-ever brain 'connectome' built by having a mouse watch 'The Matrix' and 'Star Wars'
By Kamal Nahas published
Using advanced microscopes that capture brain cell anatomy and activity, a portion of a mouse's brain was mapped and rendered into a 3D atlas that creates new possibilities for neuroscience.

Estrogen may spur the body to make opioids after injury
By Nicoletta Lanese published
The female sex hormone estrogen, along with progesterone, appears to underlie a fundamental difference in how males and females process pain, a mouse study finds.

The brain may 'move' between related ideas in the same way it navigates from one location to another
By Skyler Ware published
Using a mathematical model, scientists explored how the human brain might represent information about physical spaces and about people, places and things. Turns out, it may process both in a similar way.

Mind-reading brain implant 'streams' thoughts instantaneously
By Patrick Pester published
Researchers have used a mind-reading brain implant to continuously play a paralyzed person's thoughts through a speaker, allowing them to talk again.
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