bananas   1060

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Afraid of ? You should be more afraid of ! ⤵️
bananas  AI  from twitter_favs
9 weeks ago by danbri
TIL: bananas contain the primary compound in the honeybee's "alarm" pheromone
Science helps us explain the phenomena. Turns out bananas contain a compound called isoamyl acetate (also known as isopentyl acetate) – the very same as that which is in honeybees’ alarm pheromone. Pure banana oil (used in emollients, perfumes, and to broaden the flavored milk range) is nothing but this colorless liquid ester, occasionally mixed with other chemicals. While bees’ alarm pheromone isn’t just isoamyl acetate – in fact there are over 40 compounds in the cocktail – it is the main active component.

Guard bees, who patrol the entrance, and stinger bees, who comprise the militia, are the two castes within the hive most likely to release the pheromone. Both of these are worker bees (i.e. female) around 2-3 weeks old – the time it takes for their endocrine system to reach its prime. The scent – excreted from the Koschevnikov gland and other glands around the sting shaft – is released either when the bee pops out its stinger (like a cat retracting its claws), or goes full kamikaze and harpoons the mouse, robber bee or luckless human, rear-end first (inevitably dying in the assault). Having volatile properties, the ester evaporates and disperses rapidly from the origin point of the bee’s butt, making it suitable as a swift communication carrier. Once registered, it alerts the colony to the presence of an intruder or threat, lifting their aggro, and effectively coordinating an en masse defensive response. Any stray, lingering waft of a banana about you, then, will trigger a similar reaction (if slightly less intense). Don’t put too much faith in your smoker to avail you either.
bees  honeybees  science  pheromones  fruit  bananas  factoids 
september 2019 by jm
Devastating Banana Fungus Arrives In Colombia, Threatening The Fruit's Future : The Salt : NPR
One of the biggest fears of the fresh fruit industry just came true.

A fungal disease that has been destroying banana plantations in Asia has arrived in Latin America.
NPR  monoculture  fruit  agriculture  bananas 
august 2019 by pierredv
When New Yorkers Were Menaced By Banana Peels (Alex Mayyasi, Gastro Obscura - 24 July 2019)
“Slipping on a banana peel is a cliché, a vintage vaudeville gag. But its origins weren’t just slapstick comedy. Before it became a comedy trope, banana peels menaced New Yorkers for decades.”
article  history  food  sanitation  bananas  NYC 
july 2019 by donutage
Gene editing: how agritech is fighting to shape the food we eat
February 9, 2019 | Financial Times | by Emiko Terazono in Norwich and Clive Cookson in London.
agriculture  agribusiness  bananas  biologists  Crispr  farming  food  fruits  gene_editing  monocultures 
february 2019 by jerryking

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