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Thursday, April 2, 2020

THE TRUE NATURE OF CATS-SPECIFIC MUSIC (THE ONE THAT LOWERS THE FELINES STRESS LEVEL)!

So, dear listener, a bunch of researchers do a study on the effects of cat-specific music on the felines' stress level when the furry pets go to the veterinary.

And the scientists find that: "cat-specific music can significantly lower stress-related behaviors in cats visiting the veterinary clinic for wellness examinations. Adding cat-specific music to veterinary offices as environmental enrichment could provide great value to the cat’s welfare in the clinic" (see).

The cat-specific music the scientists refers to is "purring and suckling sounds [...] layered into tempos and frequencies used in feline vocalization music" (see). 

But, dear reader, this dumb blog in the following cartoon is showing you the real nature of the "cat-specific music" the cats find so relaxing.

A cat listening to relaxing cat-specific music (by @sciencmeug)
A cat listening to relaxing cat-specific music (by @sciencmeug)

[Cat free pic by Michael Sum (source: Unsplash); iPod free pic by Zhang Kenny (source: Unsplash); headphones free pic by Brett Jordan (source: Unsplash); all pics adapted by @sciencemug]

'Cause, let's admit it pal, cats are fundamentally beautiful jerks...

Thursday, March 26, 2020

THE TRUE REASON WHY THE ICE AGE MAMMOTH-BONES CIRCLES HAVE COME TO EXISTENCE!

Science knows since a while that, in Eastern Europe, there're man (hunters-gatherers) made circlular structures "built" with mammoth' bones associated with "artefact assemblages" (see). These features date back to across the Upper Palaeolithic (i.e. 22 - and more - thousands years ago) (see).

They consist of a ring of mammoth bones with a diameter of various meters usually surrounded by "a series of large pits" thought to have been used for "the storage of food or bone fuel, rubbish disposal or simply as quarries for loess used to construct the [very same] features" (see).

The structures are commonly reckoned as "to be the remains of dwellings that offered shelter during long, full glacial winter seasons or possibly year round" (see).

A recent research on a freshly dug out structure, though, challenges that view in a way supporting alternative hypothesis, like that that sees the mammoth-bones circles being "monumental architecture or possible ceremonial features" (see). 
The studied mammoth-bones circle with a diameter of 12.5 meters (41 feet), indeed, has no obvious entrance and shows a "relative scarcity of minute debitage [that] seems incongruous for a putative dwelling" (see)

The feature is located at the already famous (for this kind of structures) Kostenki 11 site (aka Anosovka 2) which is close to the Don River, near the city of Voronezh, in the European south-western Russia (51°23′08′′ north, 39°03′05′′ east) (see).

Said that, dear reader, this dumb blog has its own hypotesis about how and why the mammoth-bones circles have been made by humans. See the following cartoon.

Two gatherers-hunters and a mammoth-bones circle (by @sciencemug)
Two hunters-gatherers and a circle of mommoth-bones (by @sciencemug)

[Meat pic by Clker-Free-Vector-Images is under Pixabay Licence (source Pixabay); adapted by @sciencemug]

Thursday, March 12, 2020

OF PARROTS AND PROBABILITIES!

Soo, dear reader, parrots can understand probabilities, and that's news 'cause so far only great apes (including you, humans) were thought to have such an ability.

A study indeed shows that kea (Nestor notabilis) are capable of "true statistical inference" (see) and this "has important implications not only [to understand] how intelligence evolves, but also for research focused on creating [...] artificial general intelligence" (see).

But, dear reader, this dumb blog has evidence - see the following cartoon - that parrots' porpbabilities reading skills are not at all that good...

Parrots discuss about investments, stock market and probabilities (by @sciencemug)
Parrots and probabilities (by @sciencemug)

[Kea parrot (Nestor notabilis) pic by Murray Dawson is under the Creative Commons Attribution 4.0 International license (source: Wikimedia Commons); adapted by @sciencemug]

Wanna see another cartoon 'bout parrots and the fact that they are altruistic? Check this out!

Sunday, March 8, 2020

ITALY vs CORONAVIRUS SARS-CoV-2

Italy's comment about the epidemic of coronavirus SARS-CoV-2:

"I've already kicked out a crown* once, I'll do it again!"
- Italy -


 *Crown, in Italian, means "corona".

[Italy pic by Milenioscuro is under Creative Commons Attribuzione-Condividi allo stesso modo 3.0 Unported; Italy's flag pic is a public domain one; Coronavirus SARS-CoV-2 pic by CDC is a public domain one; all pics adapted by @sciencemug]

Thursday, March 5, 2020

THE TRUE REASON WHY BROWN RATS' GENOME ADAPTED TO NEW YORK!

Soo, dear reader, a study shows that New York's rats genome changed a lot "from the presumed ancestral range of brown rats in rural north east China [suggesting] a genetic component behind the adaptation of rats in response to human activity" (see).

More in detail, brown rats (aka Rattus norvegicus) have been able to conquer urban environments, like the Big Apple, and exploit human resources and by-products by mutating some of their "genes associated with metabolism, diet, organ morphogenesis and locomotory behavior" (see).

In the following cartoon, though, this dumb blog shows you the true reason why brown rats evolved in such a way.

A New York brown rat explains why it genetically adapted to the Big Apple (by @sciencemug)
A New York brown rat explains why it genetically adapted to the Big Apple (by @sciencemug)

[Rat pic by G. Scott Segler is under Creative Commons Attribution-Share Alike 4.0 International license (source: WikiMedia Commons); adapted by @sciencemug]