Displaying episodes 31 - 60 of 206 in total

How does bleach remove color?

How does bleach bleach stuff? Oh and also, what even is color? This week Melissa and Jam investigate these questions. What's the molecular makeup of color and then how...

Why are blue jeans actually dyed yellow?

Are you sitting down? Because we've got some news for you. Those blue jeans you own, they weren't actually dyed blue. They were dyed YELLOW. That doesn't make any sens...

Bonus: Is higher pH water better? (and other questions)

In this month's bonus episode, Melissa and Jam respond to comments and questions about stretching molecules, stigmas around organic chemistry, drinking higher pH (alka...

Why do Pop Rocks pop?

If you know what pop rocks are, then this episode will answer one of the greatest mysteries of your childhood. And if you've never heard of pop rocks, then you'll stil...

What are antioxidants and are they even good for you?

This week, Melissa and Jam explore the chemistry of antioxidants. What are they? Is it just magical stuff they put in sport drinks and workout supplements? Can you fin...

How does Benzoyl Peroxide fight acne?

If you've ever had acne, you've probably tried some creams or washes with "benzoyl peroxide" somewhere on the label. How is it that this specific ingredient is helpful...

Bonus: How do gasses dissolve in liquid? (and other questions)

In this month's bonus episode, Melissa and Jam respond to comments and questions about fluoride, decaf coffee, dissolving gasses, careers in chemistry, witnessing mome...

How is coffee decaffeinated?

Coffee Part 3! So we all know coffee has caffeine in it. But what if you want your coffee... without the caffeine? Is that as impossible as wanting to have your cake a...

How does caffeine make you not sleepy?

Ok so, caffeine. Some of us live on the stuff, and others of us want nothing to do with it. There's a lot of things caffeine can do to our bodies, but of course the nu...

Why do tires go flat in the winter?

Well you've probably been there. It's the first significantly cold day of the season, and you turn your car on and the tire pressure light comes on. This is an annual ...

Bonus: Blood in pool water? (and other questions)

In this month's bonus episode, Melissa and Jam respond to comments and questions about antacids, imposter syndrome, ice expanding, blood in pool water, and more!

Why do we roast coffee?

Coffee Part 2! So before we brew coffee, it gets roasted. What is roasting you might ask? Well it's pretty much the stage where all the magic is happening, everything ...

Why do leaves change color in the fall?

It's Fall! You know why they call Fall Fall? Well because the leaves fall. But before that, the leaves change color. Why do they do that? How? Is there any sort of fun...

How is brewing coffee chemistry?

The long overdue cracking open of the door into the chemistry of coffee! First, the chemistry of what happens when you brew coffee. Check it out!

Fall Mini 07 - Who is and isn't a chemist?

What makes someone a chemist? At what point does someone become one? Is it a defined line or is it a blurry one? Melissa shares some thoughts, as well as the thoughts ...

Fall Mini 06 - What is imposter syndrome? (with Vianet Garza)

This week we have a very special guest, Vianet Garza (LPC). She's going to talk us through something that's common in chemistry, science, and likely every other profes...

Fall Mini 05 - Is BPA really that bad for you?

This week we received an interesting email about BPA from listener and retired chemistry teacher Danny. Let's get into it.

Green Fire?!

Rebroadcast: This week Melissa and Jam explore a Halloween-themed topic, perfectly-timed for the fact that our episode air date happened to land on Halloween exactly! ...

Fall Mini 03 - How chemistry revolutionized baking (For Melissa)

Are you an avid baker? Melissa's baking discovery may be as revolutionary for you as it was for her.

Fall Mini 02 - The biochemistry of sugar?

Let's hear more about sugar from the perspective of a biochemist!

What is vanilla? (and imitation vanilla?)

Well we've all had vanilla. And if you have a tongue then you probably like it. But the question we've all wondered each time we're baking something is probably someth...

How do Tums make us feel better? (And why do they make us burp?)

Tums, alka seltzer, and other antacids: they're simple, they've been around for a long time, but they're a tried and true method for helping our stomachs. But how do t...

Bonus: Does elevation affect airbags? (and other questions)

In this month's bonus episode, Melissa and Jam respond to comments and questions about breathalyzers, high fructose corn syrup, candles, airbags, and more!

Is there BPA in my receipt? And is that bad?

What if BPA was in something more ordinary and everywhere than a water bottle? Something seemingly innocent and inconspicuous? Like a receipt? Wouldn't that just be a ...

What does BPA free really mean?

Every time you buy a plastic water bottle or something, you probably see a sticker that says "BPA free." Pretty good news right? I mean who knows? But what is BPA? And...

How do breathalyzers detect alcohol?

How can machines tell how much alcohol is in our blood, simply from checking our breath? Is it magic, or is it chemistry? I think you know the answer to that. But let'...

What is the ozone layer?

We've all heard about it. And most likely you've heard that it's in danger. But what is the ozone layer in the first place? And once we learn that, how about figuring ...

Bonus: How does weed killer not kill grass? (and other questions)

In this month's bonus episode, Melissa and Jam respond to comments and questions about sugar, high fructose corn syrup, weed killer, water's cleaning ability, tips abo...

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