Don’t Be Dumb: Sneezing at the Sun

How Cicadas Work How Aerosol Cans Work Don't Be Dumb: Sneezing at the Sun Keep Up With SYSK How Cicadas Work   Cicadas are crawling out from underground, where they have been hiding in the darkness for almost two decades. As of May 2013, they're invading the East Coast From North Carolina to New York. But why? Learn more about cicadas with Josh and Chuck. SYSK Animated Read: How Entomophagy Works Read: How Cicadas Work How Aerosol Cans Work   In the 87 years since they were invented aerosol cans have protected soldiers, temporarily fixed flat tires, killed a boy who used too much deodorant and had their contents banned by most countries for wrecking the ozone layer. Tune in to learn more. This Day in History Read: How Aerosol Cans Work Read: Can we plug the hole in the ozone layer? Don't Be Dumb: Sneezing at the Sun   Why do some people sneeze when confronted by direct sunlight? Josh fills you in on the science behind this strange phenomenon in this episode of Don't Be Dumb. Don't Be Dumb Read: Why do we say 'bless you' or 'gesundheit' when people sneeze? Read: If you sneeze with your eyes open, will your eyes pop out of your skull? Keep Up With SYSK   Why can't robots get married? How did bullfighting start? How do labor unions work? Join Josh and Chuck as they explore the Stuff You Should Know -- seriously, all of it -- in this podcast from HowStuffWorks.com. Trapped in a Meeting Josh & Chuck on Facebook Stuff You Should Know's RSS Feed At Discovery, we value your privacy. If you would like to adjust your email preferences, please click this link to our subscription center, where you can manage your account. Please click here to unsubscribe. Discovery Communications, LLC One Discovery Place, Silver Spring, MD 20910