Ep 207 Tear Gas: How can a chemical weapon be “humane”?

Ep 207 Tear Gas: How can a chemical weapon be “humane”?

Tear gas is an expected, normalized part of protests today. But its use in international war is banned. How can that be? That’s just one of the questions we investigate in this episode. First, we take you through the long history of tear gas and its emergence alongside deadlier chemical weapons before discussing how its use became routine, fueled by industry interests. Then we delve into what’s in tear gas that causes the painful physical reaction and consider whether claims of non-toxicity are backed up by research (spoilers: not really). This is an info-packed episode that will leave you with many questions answered, but not all of those answers will be satisfying.

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Episoder(281)

Ep 206 Oropouche Virus: More than a smidge worrisome

Ep 206 Oropouche Virus: More than a smidge worrisome

Though discovered relatively recently, Oropouche virus has been making headlines as an emerging vector-borne infectious disease on the rise. Not transmitted by the usual suspects (like ticks and mosqu...

7 Apr 1h 12min

Ep 205 Cancer Part 4: Where do things stand today?

Ep 205 Cancer Part 4: Where do things stand today?

For the entirety of our species’ history, our approach to cancer has largely been to react, to design new therapies and better combinations of treatments. This energy has certainly been well-spent, bu...

31 Mar 1h 19min

Ep 204 Cancer Part 3: How do we treat it?

Ep 204 Cancer Part 3: How do we treat it?

A century and a half ago, the list of effective cancer treatments was essentially a single entry: surgery. Today, in 2026, you’d need pages to contain the number of treatments available, and multiple ...

24 Mar 1h 32min

Special Episode: Lawrence Ingrassia & A Fatal Inheritance

Special Episode: Lawrence Ingrassia & A Fatal Inheritance

For centuries, physicians noticed that cancer sometimes ran in families, but until the 1960s, an answer to this mystery remained out of reach. Only then were scientists beginning to unlock the cellula...

17 Mar 45min

Ep 203 Cancer Part 2: Why does it happen?

Ep 203 Cancer Part 2: Why does it happen?

Each of our cells can become cancerous. It’s an uncomfortable, yet unavoidable truth. Nor is it a truth restricted to our species - cancer is a consequence of complex life. The features that make a ce...

10 Mar 1h 18min

Ep 202 Cancer Part 1: What is it?

Ep 202 Cancer Part 1: What is it?

Cancer has touched every one of us in some capacity, and learning of a diagnosis inspires many more questions than it answers. In this four-part series on cancer, we aim to lay a foundation of knowled...

3 Mar 1h 36min

Special Episode: Jon Adams and Edmund Ramsden & Rat City

Special Episode: Jon Adams and Edmund Ramsden & Rat City

What happens if you put a bunch of rats in an enclosure and provision them with unlimited food and water? Researcher John B. Calhoun was committed to finding out. Results from Calhoun’s “rat utopia” e...

24 Feb 56min

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