Reactions

How do you recover gold that’s been dissolved in acid? How do we know the half-life of uranium? We take on your burning chemistry questions.

Learn more about CuriosityStream at https://curiositystream.com/reactions (CODE: reactions) Cows burp up a lot of methane thanks to the chemistry of their digestion. And since methane is a greenhouse gas, our beef and dairy have huge climate change consequences. This week on Reactions, we cover the gassy science of cow guts.

There’s a sweet smell in the air after it rains, whether it’s a spring shower or a summer storm. This week on Reactions, we explain the chemistry of petrichor, the smell of rain.

These black preserved eggs don’t look like food, but in this episode we’ll show how chemistry turns century eggs into a Chinese comfort food.

We all love detective TV shows, like CSI Miami and Magnum P.I. In this episode, we’ll show what really happens in forensics science lab.

Thanks to our amazing fans for asking! Got more chemistry questions? Drop ‘em in the comments and we might answer them in future episodes.

Reactions is taking science to the skies to see what happens in the chemistry behind chemtrails, or more accurately, airplane contrails.

From chocolate powder mix to the milk, check out these science-inspired life hacks will help improve your cold weather cup of hot cocoa.

In this video, we look at the chemistry of gallium, the science behind the holes in the periodic table, and the history of how the elements fell into place.

Cilantro is one of the most polarizing herbs the planet. Consider it the Benedict Cumberbatch of taco toppings. But what is it about this little plant that stokes such intense vitriol from some people, while the rest of us can't get enough? The answer's in the chemistry folks!

Whether or not you have anxiety, you’ve probably heard of Xanax. But what’s in this popular and widely prescribed drug, and how does it work?

Reactions tackles the keto diet fad that never dies—The science that goes on with cutting out carbohydrates.

Bakers on TV are always talking about gluten, like it’s some kind of monster hiding in your bread. So is it gluten good, or bad for you?

Theo Gray is 2011 ACS Grady Stack Award winner and in this video, his real DIY masterpiece is the world's first "periodic table table."

Watch as Reactions uses some acid know-how to tell a chemistry detective story and sort real gold from the imposters.