Podcast Episodes
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The Case of the Vanishing Metal (Chemistry Level 8)
Season 1 Episode 11
We're tracking down missing metal. First we find out where it disappears to in acid. Then we catch metal doing the opposite in plain air, getting hea…
1 day, 22 hours ago
The Rigged Race in your Teacup (Chemistry Level 8)
Season 1 Episode 10
Here's the secret behind every way of pulling a mixture apart: find the one way its bits are different, then turn that difference into a race only so…
1 day, 22 hours ago
Why Salt Slips Through the Filter (Chemistry Level 8)
Season 1 Episode 9
We're going to chase that question. First we'll see what a filter can actually catch, then why salt slips straight through it, and what you have to d…
1 day, 22 hours ago
The Sugar That Never Left (Chemistry Level 8)
Season 1 Episode 8
In the next few minutes we're going to track that sugar down. First we prove it never actually left. Then we find out that water can only hide so muc…
1 day, 22 hours ago
Why the Juice Carton Is Lying (Chemistry Level 8)
Season 1 Episode 7
So we're going to find out what 'pure' really means to a chemist, and why the juice fails the test. Then we'll see what the juice actually is, and wh…
1 day, 22 hours ago
Why You Can't Breathe Water (Chemistry Level 8)
Season 1 Episode 5
The answer is the difference between atoms that are just hanging around together and atoms that are actually locked together. Once you get that diffe…
2 days, 14 hours ago
What Every Atom Wants (Chemistry Level 8)
Season 1 Episode 6
So we're chasing one question: what does an atom actually want? First we'll work out exactly what 'full' means for an atom. Then we'll find the two w…
2 days, 14 hours ago
The Salt Shaker Periodic Table (Chemistry Level 8)
Season 1 Episode 4
We're going to find out what sodium and chlorine actually are, why one counts as a metal and the other doesn't. Then we'll see why those two in parti…
2 days, 15 hours ago
The Empty Seat: How Mendeleev Described an Element Before It Existed (Chemistry Level 8)
Season 1 Episode 3
So how do you describe something before it exists? We'll follow Mendeleev's trick first, then crack open an atom and find that the clue he was sortin…
2 days, 15 hours ago
The Invisible Kickers: Particles, Substances and States (Chemistry Level 8)
Season 1 Episode 1
We're going to track down the invisible thing that was shoving that pollen around. Then we'll use it to solve a harder case: two liquids that look ex…
2 days, 17 hours ago