Petri Dish

Heya folks, today's episode is about intermittent fasting, a new(ish) and increasingly popular way of trying to lose weight. Is it just a fad diet, or something more complicated? How does someone go a...

10 Feb 202055min

This topic was requested by co-host Nathan, who had read several news articles recently suggesting that cats are menaces, plagues upon the world and humankind. IS THIS TRUE?! In this episode, we begin...

3 Feb 20201h 7min

Hey everyone, I hope you checked out our bonus minisode on the new coronavirus! Here is our regularly scheduled full episode, the part 2 on Aging and Immortality! This time we turn our focus to humans...

27 Jan 202054min

Hi Everyone, Happy Year of the Rat! This is a special mini-episode we are releasing on the novel coronavirus currently infecting people in China (and now elsewhere). This short episode covers what a c...

27 Jan 202019min

For folks in the USA, happy Martin Luther King Jr. Day! This week on Petri Dish Nathan and Sean discuss the biology of aging. What does it actually mean to age, when some animals out there are biologi...

20 Jan 202049min

Welcome to the first Petri Dish episode recorded in 2020! This one is about the science behind the effects of booze (ethanol), and our current best understanding of what hangovers are and what you can...

13 Jan 20201h

In this week's episode, Sean and Nathan are joined by guest Liliana Escobedo to discuss epigenetics, which is either all of the stuff besides your genes that affects the functions of your cells OR non...

6 Jan 202059min

Hey everyone, this week is part 2 of our episodes on sex, this time focusing on sex determination in humans and Sean's rocky relationship with the field of evolutionary psychology! Nathan and Sean dis...

30 Dec 20191h 4min