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BLACKBUTTERFLY
blackbutterfly@bchnostr.com
npub13kus...zg7w
Selenophile ๐
Music Enthusiast
Finally @BCH Reply Guy thank you for making this ๐ค this is one of my request ๐


My shots and editing skill hehe ๐๐ท
BEFORE VS. AFTER


I miss being a kid again, that feeling where you can think of no problems but just play all day long. ๐โค๏ธ


I just woke up, I went to bed late last night and I'm still pretty sleepy. ๐
I saw some ripe sweetberries so I picked them right away, I didn't really eat them so I just gave them to my cousins and nephews.


Most scientists thought memories were erased when a caterpillar turns to soup inside a chrysalis, but a child scientist in Kobe disagreed, tested his theory on swallowtail butterflies, and discovered something that is still being debated in labs around the world.
A 10-year-old student in Japan has been running experiments in his bedroom since first grade, carefully documenting caterpillar molting patterns with the precision of a professional researcher. His name is Jo Nagai, and he decided to test a question that has puzzled biologists for decades: do butterflies remember anything from their time as caterpillars?
Scientists have long believed that metamorphosis wipes the slate clean. The caterpillar's body, including its brain, breaks down into what is often described as a biological soup, and from that soup, an entirely new creature is built. Memories, by that logic, should not survive. But Jo suspected otherwise.
Using swallowtail butterflies he raised from eggs in his home, Jo designed an experiment. He exposed caterpillars to the scent of lavender oil, which was evolutionarily meaningless to them, and paired it with a mild electric shock. To calibrate the shock, he tested it on his own arm first, making sure it was unpleasant but not harmful. The caterpillars quickly learned to avoid the scent.
When those caterpillars emerged as butterflies, Jo tested them again. They avoided the lavender scent at a rate of 70 percent, showing that the memory had survived the complete restructuring of metamorphosis.
That finding alone would have been remarkable. But Jo did not stop there. He bred those butterflies and tested their offspring, which had never smelled lavender or been shocked. The next generation avoided the scent at nearly the same rate. He bred them again, and the third generation also showed the same aversion.
A memory that was never theirs had been encoded into their biology and passed down.
The original discovery that memories can survive metamorphosis came from scientists at Georgetown University in 2008. In their study, tobacco hornworm caterpillars were trained to avoid a specific odor and retained that memory as adult moths. Jo Nagai built on that research, but he corrected a flaw in the original methodology. He swapped the conditioning scent from a toxic chemical to a neutral one and found the same result.
His work has now entered one of the most contested areas of biology: transgenerational epigenetic inheritance. While the scientific community continues to debate the mechanisms, Jo's bedroom experiment has become part of that conversation.
Jo later wrote to Dr. Martha Weiss, the Georgetown entomologist whose work inspired him, and she was stunned by the sophistication of his research. She called him a real scientist who was discovering new things.
#Butterfly #Japan #Metamorphosis #ProjectNightfall


Good morning everyone ๐, breakfast? ๐ฆ
There are so many black bugs on this court.


Good evening everyone, did you eat dinner? what the dish