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Новости за 19.11.2024

The chilling sound of the Aztec death whistle

Sciencedaily.com 

The Aztec skull whistle produces a shrill, screaming sound. A study shows that these whistles have a disturbing effect on the human brain. The Aztecs may have deliberately used this effect in sacrificial rituals.

Labeling cell particles with barcodes

Sciencedaily.com 

Cell-to-cell communication through nanosized particles, working as messengers and carriers, can now be analyzed in a whole new way, thanks to a new method involving CRISPR gene-editing technology. The particles, known as small extracellular vesicles (sEVs), play an important role in the spread of disease and as potential drug carriers. The newly developed system, named CIBER, enables thousands of genes to be studied at once, by labeling sEVs with a kind of RNA 'barcode.' With this, researchers hope... Читать дальше...

Neuroscientists discover how the brain slows anxious breathing

Sciencedaily.com 

Scientists discovered a brain circuit that allows us to regulate voluntary breathing, which connects the brain's emotional and behavioral cortical area to its automatic breathing brainstem area. The findings provide a targetable area for slowing breathing in people with anxiety, panic disorders, or PTSD, in addition to explaining the efficacy of slowed, intentional breathing in mindfulness practices like yoga.

Vultures and artificial intelligence(s) as death detectors: High-tech approach for wildlife research and conservation

Sciencedaily.com 

In order to use remote locations to record and assess the behavior of wildlife and environmental conditions, the GAIA Initiative developed an artificial intelligence (AI) algorithm that reliably and automatically classifies behaviors of white-backed vultures using animal tag data. As scavengers, vultures always look for the next carcass. With the help of tagged animals and a second AI algorithm, the scientists can now automatically locate carcasses across vast landscapes.

Onslaught of pet hamsters ground airliner

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A TAP Air Portugal flight was grounded at Ponta Delgada Airport when more than 130 hamsters escaped captivity in the cargo hold and infiltrated the Airbus 320 cabin.

"The plane left Lisbon bound for Ponta Delgada with passengers and their luggage, as well as a package for a pet shop: more than a hundred hamsters, ferrets and also some birds," reports Correio da Manhã. — Read the rest

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