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Jeremy Cherfas

A space for mostly short form stuff and responses to things I see elsewhere.

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Jeremy Cherfas

2026-04-06

New Episode: In Search of the Real Cheeses

1 min read

Cover artwork. Trevor Warmedahl holds the abomasum of a goat, a common source of rennet for artisanal cheesemaking

After 10 years as a commercial cheesemaker, Trevor Warmedahl set off to learn about “other, older ways to go about the fermentation of milk and the care of dairy livestock and the making of cheese”.

https://eatthispodcast.com/cheese-trek

Jeremy Cherfas

2026-04-04

1 min read

A distant view of a group of people in a circle doing exercises with a bamboo staff beneath some tall, almost bare trees. The sky above is blue and cloudy and in the distance can be glimpsed the top of a white building behind a line of trees.

On the ground, arms flap

Tree high parakeets gaze down

Qi Gong in the park

Jeremy Cherfas

2026-03-15

Rabbit Quest Geohashing 20260315-W-AY68OD

1 min read

Composite image. On the left a map showing the location of the quest and my position. On the right, the facade of the tobacco factory build by Giovanni Maria Mastai, Pope Pius IX, in 1863, an elegant building with a pediment supported by eight columns and, in front of it, a fountain with two basins, one above the other, and a gull.

* On foot
* 41.8873, 12.4734
* 15 March 2026
* 428.94 ppm CO2
* OpenStreetMap

A fitting rabbit for the Ides of March, the Pope’s Tobacco Factory. I did walk past, much closer to the actual Rabbit, but could not pass up the opportunity to snap what might such a significant building.

Jeremy Cherfas

2026-03-09

New episode: The unstoppable rise of extra virgin olive oil

1 min read

Cover artwork: fresh yellow-green olive oil emerging from the centrifuge and flowing down a chute.

Extra virgin olive oil appeared in 1960, after a decade of scandalous adulteration. Then, it denoted quality. Today, not so much. “I would argue,” says Carl Ipsen, “that a bigger problem today than fraud is transportation and storage.”

Listen here 

Jeremy Cherfas

2026-02-24

New Episode: The Food System Is Not Broken

1 min read

Artwork from book cover

Some people will tell you the food system is broken. Not so, say Jan Dutkiewicz and Gabriel Rosenberg. Their new book is subtitled Why Industrial Food Is Good and How To Make It Even Better.

We had a long and interesting chat, everything from cellular agriculture to labour in the food industry.

https://eatthispodcast.com/ftp

Jeremy Cherfas

2026-02-10

New Episode: Food Notes from an American Prison

1 min read

Cover art, prisoners in green and white horizontal stripes, with their backs to us, working in a prison kitchen

”I like to say that I was a garlic smuggler for the mafia, which I was, but there’s more to the story than that.”

@ehasbrouck@urbanists.social reflects on his time in a federal penitentiary, where the kinds of cooking Italian maximum security inmates get up to would have been completely unthinkable.

https://eatthispodcast.com/lewisburg

Jeremy Cherfas

2026-02-09

Rabbit Quest 20260209-W-AY68OD

1 min read

Composite image. On the left a map showing the location of the quest and my position. On the right, the small, round tempietto, domed above with a window and balustrades, and surrounded by a colonnade. It is seen through the arches of the courtyard in which it sits.

* On foot
* 41.8867, 12.4664
* 9 February 2026
* 428.77 ppm CO2
OpenStreetMap

How very pleasant. Today’s quest was just to the side of what some people cite as the jewel of the Renaissance architecture, Bramante’s Tempietto. I couldn’t get any closer today, though I have been inside on other occasions.

Jeremy Cherfas

Test post with image

Where will the image go?

1 min read

Let's try editing this and see whether anything changes

Jeremy Cherfas

2025-12-19

Rabbit Quest Geohashing 20251219-B-AY68O8

1 min read

Composite image. On the left a map showing the location of the quest and my position. On the right, A dual carriageway with tram tracks in the middle. Across the road, a sandy-coloured large building behind impressive gates and gate towers. The building is flanked by umbrella pines and there are several cars parked in front of the gates and along the road.

* On foot
* 41.8703, 12.4458
* 8 December 2025
* 427.73 ppm CO2
OpenStreetMap

Another occasion on which the Quest provided the kick I needed to go for a walk, to the bicycle location, as it happens, which was closer and a btter walk than the foot location today.

Jeremy Cherfas

2025-12-08

Rabbit Quest Geohashing 20251208-W-AY68O8

1 min read

Put new tyres and tubes on the bike so took it out into the park where there happened to be a Rabbit to bag. Bike rode smoothly and managed to get on top of the Quest, at least according to the phone.

Composite image. On the left a map showing the location of the quest and my position. On the right, my bicycle parked almost exactly on top of the Quest location. The bike and I are casting long shadows over the grass towards some treetops, bare and still green, in a valley and beyond them umbrella pines on a ridge. There are cypress branches in the upper right corner.

* On bicycle
* 41.8811, 12.4440
* 8 December 2025
* 427.32 ppm CO2
* OpenStreetMap