Reactions

Game of Thrones gave us a shock with the Purple Wedding and now everyone is asking: "Who poisoned King Joffrey?" While the search for the killer continues, the American Chemical Society's latest Reactions video focuses on what killed the hated king.

In the American Chemical Society's (ACS') newest Reactions video, we explain the chemistry behind marijuana's high, and investigate what scientists are doing to ensure that newly-legalized weed won't send users on a bad trip.

It's not just in coffee anymore. From drinks to jerky to gum, caffeine is everywhere. In the American Chemical Society's (ACS') latest Reactions video, we look at the science behind the world's most popular drug, including why that little molecule keeps you awake and reveal just how much caffeine is too much.

Learn what causes the allergies that spoil spring for the millions of allergy sufferers who get runny noses, puffy eyes and an itchy throats this time of year.

April Fool's Day is coming up, so here are a bunch of chemistry jokes to celebrate. Enough said.

With AMC's The Walking Dead season finale less than a week away, Reactions is revealing the chemistry you need to know to survive a zombie apocalypse.

Everybody knows that zombies love the smell of live humans. But if you smelled like a rotting corpse, they would probably pass on you for, shall we say, a "fresher" meal. With that mind, chemist and zombie film buff Raychelle Burks has come up with what could be a life-saving solution. Behold, the future of zombie apocalypse survival: Death Cologne!

If you think you can beat a breathalyzer, think again; chemistry will land you in cuffs. In the American Chemical Society's (ACS') latest Reactions video, we examine how your breath can get you busted when you've had too much to drink.

Forget ketchup and mustard -- Sriracha might be the world's new favorite condiment. Beloved by millions for its unique spicy, garlicky, slightly sweet flavor, the chemistry of "rooster sauce" is the focus of our latest video.

In what may be the warmest Winter Olympics on record, Sochi looks more like SoCal by the day. With few real snowflakes to blanket Sochi's slopes, our latest episode explains how science keeps the Winter Olympics alive with artificial snow.

Abigail Marsh, assistant professor of psychology at Georgetown University, explains the chemistry behind physical attraction in this bonus Reactions video.