Credit: iStock Does being in the dark ever send a shiver up your spine? Have you ever hurried down a hallway after turning out the light? You may get spooked by suspicious shadows in a dark room only to turn on the light and realize it is just an innocent chair. Then, you might wonder … Continue reading Why Are We Afraid of Shadows in the Night? Because of Our Brains.
Eye
Spotlight On: Vision
Credit: iStock If you’re reading this article, you can thank the crafty and tireless work of evolution. While we may take vision for granted as a simple and straightforward process, how we see is not so simple at all. How we see While the evolution of sight—from a primitive eyespot that could only discriminate between … Continue reading Spotlight On: Vision