"They gave him two jars full of flies," the singer said of Cantrell's third-grade teachers. "One of the jars they overfed, the other jar they underfed. The one they overfed flourished for a while, then all the flies died from overpopulation. The one they underfed had most of the flies survive all year. I guess there's a message in there somewhere," Staley concluded. "Evidently, that experiment had a big impact on Jerry."
Rocky Schenck is a photographer and director who has shot several album covers and written and directed over 150 music videos, including many for Seattle rock stalwarts Alice in Chains. Years ago, Schenck talked to Revolver about the making of Dirt's iconic imagery and shared fascinating behind-the-scenes photos from the cover shoot; over the weekend, to celebrate the 25th anniversary of AIC's watershed Jar of Flies EP, he dug up some outtakes from the photo shoot for that record's eerie cover and recounted the story of its creation. Along with other insights, he revealed on Instagram the source of the actual flies pictured on the cover (a horse stable) and the location of the shoot (his dining room).
"I have fond memories of shooting this album cover in my dining room," Schenck wrote. "It was just me and my assistant, and a child whose name I've forgotten. My assistant made multiple trips up the street to gather hundreds of flies with a butterfly net at some horse stables. The flies kept dying, the kid kept complaining, and my assistant kept gathering more flies. The album was nominated for a Grammy for best recording package... and I still have the jars." See the full post below.
The album's title's origin came from a science experiment Jerry Cantrell conducted in the third grade. "They gave him two jars full of flies," Staley explained to Hit Parader. "One of the jars they overfed, the other jar they underfed. The one they overfed flourished for a while, then all the flies died from overpopulation. The one they underfed had most of the flies survive all year. I guess there's a message in there somewhere. Evidently that experiment had a big impact on Jerry. "
"It was just me and my assistant, and a child whose name I've forgotten. My assistant made multiple trips up the street to gather hundreds of flies with a butterfly net at some horse stables. The flies kept dying, the kid kept complaining, and my assistant kept gathering more flies. The album was nominated for a Grammy for best recording package... and I still have the jars."
For an album that was just an exercise to blow off steam, the album was a real surprise to fans. It debuted at number one on the chats, the first EP in history to earn such an honor. The packaging, featuring plastic flies in the CD spine and photography from Rockey Schenck was amazing. The sound of the album was also tight for the time, produced by the band and engineered and mixed by their frequent collaborator Toby Wright. Jar of Flies is a great chapter in the AIC story is still a much-loved part of the catalog.
"However, to actively decode the sounds and smells around us that may or may not be relevant to us, different parts of the brain must remain alert. Now, in fruit flies, who share more in common with us than you might think, we have discovered one region of the sleeping brain stays awake to process smells."
The researchers were able to test thousands of flies using their 'ethoscope' setup, where flies are placed individually in tubes and monitored by an automatic camera system. Once the system detects a fly is asleep, a puff of odour is released, and the system records whether the fly responds.
The team then tracked the neurons involved with fluorescent markers, following the chain of highlighted neurons from the antennae (the fly nose) to the brain region involved in sleep regulation. They were able to confirm their conclusions by switching on and off some of the highlighted neurons, affecting the flies' ability to detect odours.
For the flies, the researchers changed several factors they thought might affect their response to odours, including starvation during the day, sleep deprivation, and drunkenness. Drunk and sleep-deprived flies were less responsive overall to odours, but the starved flies were more responsive specifically to food-related odours.
"Fruit flies are the ideal study subjects because they exhibit complex behaviours, including sleep, but have relatively simple brains, allowing us to investigate the roots of this common behaviour. However, even in fruit flies, different species have different levels of sleep and wakefulness. Investigating how different animals balance their needs can help us determine the ultimate function of sleep."
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