What is up with RAW milk?

How can the same element make both pencil lead and diamonds? This week we wrap up our pencil chemistry mini-series by answering a surprisingly tricky question: how do erasers actually erase? Then we dive into one of chemistry’s coolest ideas. Graphite and diamond are both made en ...  Show more

#158 Rebroadcast Gemstones come in all sorts of colors, but how do they get them? Are different stones super different at the molecular level? How do these different colors happen naturally? And how can those colors be replicated in lab-made gemstones? Let's get into it. Referenc ...  Show more

Seriously, what’s the deal? Lately, it seems like raw milk has started to pop up more and more frequently in our feeds, with influencers touting the alleged health benefits of raw milk over pasteurized milk. In this and next week’s episode, we explore the raw milk phenomenon as i ...  Show more

Last week, we started this two-parter with a big picture view of pasteurization and the raw milk movement. In this episode, we address the alleged health claims made by proponents of raw milk and dive into the very real risks carried by its consumption. Is raw milk actually bette ...  Show more

Once widely banned, raw milk consumption is on the rise and states are repealing their bans. No one’s happier about that than the far right. How did we get here?

NOTE: In the retelling of Pasteur’s early pasteurization, Aubrey misspoke! The culprit wasn’t lactic yeast, i ...

Cockroach milk for Spooktober. STAY HERE. Don’t tell me you like haunted houses and slasher films but can’t listen to a lovely conversation about how cockroaches make milk to feed their young. It’s one of the most nutritious substances on Earth, and I own some. Sort of. Coem a ...