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In August, American and Canadian diplomats working in Havana reported hearing sounds that were believed to be a mysterious sonic weapon.
Doctors termed the sounds 'directional acoustic phenomena', and even noticed brain changes in those hearing it.
Cuban - Scientists - Weapon
But Cuban scientists insist that a sonic weapon was not to blame.
Instead, they suggest that the sound was produced by the stress of listening to 'noisy crickets' in Havana.
Report - Board - Cuban - Scientists - Crickets
A report issued by a board of Cuban scientists suggests that crickets are the unlikely culprits of the brain-changing sounds.
While US officials did not provide sound recordings to the scientists, Carlos Barcelo Perez, an environmental physicist at the National Institute of Hygiene, Epidemiology and Microbiology, recorded evening sounds around the residences, according to Science.
Recordings - Noisemakers - Insects
The recordings revealed that the biggest noisemakers were insects.
In particular, he found that the Jamaican field cricket chirps at a frequency matching the sound on the recordings, which topped out at 74.6 decibels.
News - Yesterday - Experts - Changes - Brains
It follows news yesterday that medical experts have discovered changes in the brains of US and Canadian diplomats, which fuelled growing scepticism that some kind of sonic weapon was involved.
Medical testing revealed the embassy workers developed changes to the white matter tracts.
Regions - Information - Highways - Brain - Cells
These regions act like information highways between brain cells letting different parts of the brain communicate.
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