If you drink coffee, then you know that it starts to taste super different as it goes from hot to cold. Is it just the change in temperature that makes it seem like it tastes different? Or is there a little more chemistry going on? Let's find out.
Today
Is red light therapy real or a scam?
Can shining a red light on your face really improve acne, wrinkles, inflammation, or wound healing, or is red light therapy just an expensive skincare scam involving a slightly alarming mask? How could ordinary visible light affect cells beneath your skin, and should you trust th ... Show More
47m 38s
Sep 3
Which chemistry lessons have stuck with us? (Happy Chemiversary!)
What happens when a chemist and a non-chemist make a podcast together for seven years? Which chemistry lessons stuck, which episode ideas spectacularly refused to cooperate, and does Jam still count as a layperson after all this time? Joined by returning guest Claire, Melissa and ... Show More
1h 14m
Jan 2024
Coffee Roasting, Part 1: How heat transforms coffee beans
What flavours do you want from your coffee? Every coffee bean begins its life green. And if you brewed it up without first roasting it, you’d get a yellow-green cup of grass-flavoured water. But, as soon you apply heat to a bean, the flavour can morph to from something quite vege ... Show More
37m 39s
Feb 2024
Coffee Roasting, Part 2: Roasting made easy
Roasting coffee can be maddening. Just 4° Celsius is enough to make the same green beans taste distinctly different! And there are so many things roasters can play around with: temperature, time, fan speed, drum speed, types of probes…the list goes on and on. So, if you want to s ... Show More
46m 19s
Oct 2022
Introducing: The Science of Coffee
The Science of Coffee is a journey into coffee's hidden microscopic secrets to help you make even better coffee at home. Across six episodes, documentary maker and coffee professional James Harper takes you deep into the world of water for coffee, coffee extraction, plant genetic ... Show More
3m 39s