![Why do we like wearing sunglasses? What are we hiding when we do? | SiOWfa15: Science in Our World: Certainty and Controversy Why do we like wearing sunglasses? What are we hiding when we do? | SiOWfa15: Science in Our World: Certainty and Controversy](https://sites.psu.edu/siowfa15/wp-content/uploads/sites/29639/2015/09/Leonardo-DiCaprio-Sunglasses_COVER.jpg)
Why do we like wearing sunglasses? What are we hiding when we do? | SiOWfa15: Science in Our World: Certainty and Controversy
![Men's Humor on Twitter: "There are two types of people who wear sunglasses inside: Blind people and Douche Bags. http://t.co/Ck3e5XDbAc" / Twitter Men's Humor on Twitter: "There are two types of people who wear sunglasses inside: Blind people and Douche Bags. http://t.co/Ck3e5XDbAc" / Twitter](https://pbs.twimg.com/media/BL4iQrLCYAIn3M6.jpg:large)
Men's Humor on Twitter: "There are two types of people who wear sunglasses inside: Blind people and Douche Bags. http://t.co/Ck3e5XDbAc" / Twitter
![Phantom Notebooks on Twitter: "People that wear sunglasses inside have to because it's always sunny in Doucheville. http://t.co/XKRKa31C" / Twitter Phantom Notebooks on Twitter: "People that wear sunglasses inside have to because it's always sunny in Doucheville. http://t.co/XKRKa31C" / Twitter](https://pbs.twimg.com/media/AxqeRYWCEAA8sAZ.jpg)