Displaying 1 - 20 of 290 in total
Ask a Chemist: Reddit Edition!
Bonus Episode: Question and Response 55In this month's bonus episode, Melissa and Jam respond a wide range of chemistry questions from Reddit!Check out our website at ...
Is compost dirt??
#185Let's make dirt. Or is it dirt? I don't know, well, can you dig it? We've all heard of compost, maybe you compost, maybe your friend does, maybe they talk about it...
How do sunglasses protect our eyes?
#082 RebroadcastWow sunglasses sure are cool. What's the coolest thing about them? Is it how cool they make us look and feel? Or is it the chemistry inside them? We'll...
What are the Northern Lights?
#184That's right, the Northern Lights aren't just cool CGI after all. They're real, but what are they? Why do they occur? And how are they chemistry? Let's find out!Re...
Ask a Chemist: Can you dissolve a liquid into a solid? (and other questions)
Bonus Episode: Question and Response 54In this month's bonus episode, Melissa and Jam respond to your comments and questions about dissolving, purple shampoo, coal ash...
Did the FDA eliminate Forever Chemicals? (PFAS Part 5!)
#183We're adding another chapter to the PFAS series! There's new information from the FDA that we've got to talk about,. It's about the PFAS that coat food wrappers. W...
Why do things fade in the sun?
#081 RebroadcastThe sun. It's nice, it's warm, it helps things grow, it helps us see, it helps us exist in the first place. But it's also a massive burning molten ball...
What's the REAL reason we can't look at a solar eclipse?
#182There's an eclipse coming to the US in April! Which means we'll all be getting that reminder to NOT LOOK AT THE ECLIPSE WITHOUT PROPER EYE PROTECTION. But why is t...
Ask a Chemist: How does purple shampoo work, or does it? (and other questions)
Bonus Episode: Question and Response 53In this month's bonus episode, Melissa and Jam respond to your comments and questions about purple shampoo, salt on icy roads, m...
What is Vitamin D? And what does it have to do with the sun?!
#181Have you heard about Vitamin D? Has someone ever told you that you need it and it's really important? Have you ever wondered why? And have you ever wondered what t...
Why do plants die in freezing weather?
#085 Rebroadcast Well here in Texas, we just suffered through an intense freeze. And many a plant became a casualty of the cold, but why? What's going on at the molecu...
What's up with Fahrenheit, Celsius, and... Kelvin?
#180Depending on where you live, you may use Fahrenheit or Celsius to measure temperature, but how did these measurements come about, why are they different, and serio...
Ask a Chemist: Why do metals look metallic? (and other questions!)
Bonus Episode: Question and Response 52In this month's bonus episode, Melissa and Jam respond to your comments and questions about metals, kombucha, learning styles, c...
How do infrared thermometers work?
#179Over the past few years infrared thermometers have started being EVERYWHERE. So as we've cracked open the conversation on thermometers we've got to find out, how d...
How do we see our breath in the air?
#074This time of year, it's a common occurrence, something so common that we might not even wonder about it anymore. But really, why do we see our breath in the air wh...
Thermometers: what is the chemistry behind them?
#178Thermometers tell us what temperature something is. But how do the thermometers know what the temperature is? Who tells the thermometers? Or rather, how do thermom...
Bonus: How do "forever chemicals" sneak into our clothes? (and other questions)
Bonus Episode: Question and Response 51In this month's bonus episode, Melissa and Jam respond to your comments and questions about PFAS/forever chemicals, the periodic...
What is yogurt?
#177Yogurt, sometimes known as thick milk. But what is it really? What happens at the molecular level, how does it become yogurt? And while we're at it, what is sour c...
What is cheese? And what does it have in common with soap?
#104 RebroadcastSeriously what the heck is cheese? It's a question we've all wondered, but most of us only ever know that it's from milk—but what else? How do we turn ...
What even is cinnamon?
#176We're in the portion of the year where cinnamon finds its way into many things we eat and drink: our pies, our tea, our coffee, our wassail, our candles, etc. But ...
