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Tiny Matters

Tiny Matters

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Tiny Matters is a science podcast hosted by Multitude. It has 164 episodes, with the latest published April 2026.

Science shapes every facet of our lives, but so much of its influence is overlooked or buried in the past. Tiny Matters is an award-winning science podcast from the American Chemical Society about tiny things — from molecules to microbes — that have a big and often surprising impact on society, past and present. From deadly diseases to forensic toxicology to the search for extraterrestrial life, hosts and former scientists Sam Jones and Deboki Chakravarti embrace the awe and messiness of science and its significance, asking questions like, "how was IVF invented?," "what do glaciers tell us about Earth’s ancient past?," and "why is smallpox the only human infectious disease we’ve eradicated?" New episodes every Wednesday wherever you listen to podcasts.

science ·en ·164 episodes

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Title
1

[BONUS] Camel antibodies and colorful Greco-Roman statues: Tiny Show and Tell Us #44
2

Stinky white gold, Haber-Bosch, and ‘peecycling’: How fertilizer shapes our world
3

[BONUS] Reef balls and peanut allergy immunotherapy: Tiny Show and Tell Us #43
4

The Mothers of Gynecology: The centuries that led to today’s Black maternal mortality crisis
5

A new podcast joining the fam: Chain Reaction by ACS!
6

[BONUS] 5D storage in the ‘Memory of Mankind’ and the root of morning sickness: Tiny Show and Tell Us #42
7

Inside expedition medicine: Keeping people alive in the harshest places on Earth
8

[BONUS] 'Mitochondrial Eve' and birds stealing anti-bird spikes: Tiny Show and Tell Us #41
9

From ancient grain mills to massive offshore turbines: Why wind energy was — and still is — a big deal
10

[BONUS] Dandelion rubber tires and a fentanyl vaccine: Tiny Show and Tell Us #40
11

The history of clinical trials: From fake exorcisms to testing today
12

[BONUS] Bat periods and toxins from fungi: Tiny Show and Tell Us #39
13

The iron lung: How a hulking metal tube became the first machine to keep humans alive
14

[BONUS] The woman who mapped the Milky Way and a toxic evolutionary showdown: Tiny Show and Tell Us #38
15

Sam’s brain-altering bacteria and Deboki’s polio vaccine fascination: EPISODE 100!
16

[BONUS] Bunny pregnancy tests and a dead salmon MRI: Tiny Show and Tell Us #37
17

How life keeps time: Zeitgebers, hidden clocks, and ugh daylight saving
18

[BONUS] Polar bear fact vindication and vibrating insects: Tiny Show and Tell Us #36
19

Dinner with King Tut: How experimental archaeologists are recreating the past
20

[BONUS] Making magenta pennies and touching the sun: Tiny Show and Tell Us #35
21

What's eating the Titanic?
22

[BONUS] 4 years of Tiny Matters?! How we started, what we've learned, and where we're headed!
23

New male contraceptives could be here soon. What took so long?
24

[BONUS] Why horseshoe crab blood is blue, HELLP syndrome, and a one-electron bond: Tiny Show and Tell Us #34
25

Trade, tyranny, and untapped potential: The history and science of spices
26

[BONUS] Fluorescent milk, ‘liquid’ glass, and studying ripples in spacetime: Tiny Show and Tell Us #33
27

How stunning 19th century dyes led to today's drugs
28

[BONUS] Wasp versus beetle and blood iron recycling: Tiny Show and Tell Us #32
29

De-extinction: Genetics, conservation, and lessons from 'dire wolves'
30

[BONUS] Woolly mammoth mice and filtering microplastics out of your water: Tiny Show and Tell Us #31
31

Zircon: How this tiny, ancient mineral is upending what scientists believed about early Earth
32

[BONUS] Biodegradable super glue and a severe greenhouse gas that lowers your voice: Tiny Show and Tell Us #30
33

Is ‘mom brain’ … forever?
34

[BONUS] Birds breathing with their butts and reducing food waste to combat climate change: Tiny Show and Tell Us #29
35

How domesticated is a domestic cat? From the wild to ancient Egyptian tombs to now
36

[BONUS] Diamond rain on Saturn (maybe) and UV rays breaking down harmful dyes: Tiny Show and Tell Us #28
37

The strange science and history of quantum computing and how it could transform chemistry
38

[BONUS] Squirrel pox and did tin buttons cause the downfall of Napoleon's army?: Tiny Show and Tell Us #27
39

Making labs safer: A heavy metal poisoning, a deadly protein exposure, and their aftermath
40

[BONUS] Fetuses ‘listening’ to different languages and climate change affecting psychiatric meds: Tiny Show and Tell Us #26
41

How NASA scientists are monitoring and predicting wildfires from space
42

[BONUS] The FDA’s ban of Red Dye No. 3 and the surprising science of winter roads: Tiny Show and Tell Us #25
43

How a Mars mission from the 1970s shaped the search for extraterrestrial life today
44

[BONUS] Babies leaving cells behind in mom and rethinking the Big Bang: Tiny Show and Tell Us #24
45

Ozempic: The science behind this blockbuster drug and its untapped potential
46

[BONUS] Marfan syndrome and plant pathogens eating DNA: Tiny Show and Tell Us #23
47

How a little-known vaccine project and decades of HIV research made "Operation Warp Speed" possible
48

[BONUS] Time limits for anesthesia and stunning bioluminescence: Tiny Show and Tell Us #22
49

The placenta: A disposable organ we can’t live without
50

[BONUS] An inspiring pharmacist grandma and orcas wearing dead salmon hats: Tiny Show and Tell Us #21
View all 164 episodes →
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