Why do we need glasses?

How are video games made? Who invented the concept? Why do games have levels? Who invented them? Why are game consoles so expensive? Why do people like playing these games so much and do they turn your brain to mush? What do you do if you can’t make yourself stop playing? In this ...  Show more

What is ADHD? How does ADHD affect the brain? Why do only some people have it? How can we control our brains? An estimated 11 percent of U.S. kids are diagnosed with the neurological condition known as ADHD, so you may have it or have a friend or classmate with this unique way of ...  Show more

"Over half of Americans wear corrective glasses or contact lenses. While there isn’t a shortage of low-cost and luxury frames available online or in stores, consumers can only buy them with a current eyeglass prescription. That means that they first need an eye exam from an optom ...  Show more

Have you ever woken up in the morning with the corners of your eyes filled with crud? Sleepy sand? Eye goblins? Dozy dust? Bed boogers? Why do our eyes make this stuff, anyway? And why does it build up when we’re asleep? We asked Yale eye doctor Soshian Sarrafpour to help us get ...  Show more

Unser Mitglied Palin hat sich gewünscht, dass wir einmal über Brillen und Kontaktlinsen sprechen. Wir starten mit den Erinnerungen an unsere ersten Brillen und erklären den Unterschied zwischen Augenarzt und Optiker. Manuel erzählt, warum er Brillen lieber online kauft, auf we ...

How does reading work in the brain? It’s a question that has fascinated scientists for years. Could braille - the system of raised dots that blind and low vision people use to read - be the key to understanding how it works? We talk to writer Andrew Leland (“The Country of the Bl ...  Show more