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Новости за 21.06.2023

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Evaluation of biochemical, physiological traits and percentage of essential oil of sickleweed (Falcaria vulgaris) population in different geographical and climatic regions

Plos.org 
En

by Mehdi Rahimi, Mojtaba Kordrostami, Jaber Nasiri

Sickleweed (Falcaria vulgaris) is the name of a species of annual, and perennial herbaceous plants of the genus Falcaria. Climate change could negatively influnces the performance of various plant species in plant kingdom. In this study, 15 different sickleweed populations from seven provinces of the country were collected based on an unbalanced nest design with 10 replications and the percentage of essential oil, types of chlorophyll, phenol... Читать дальше...

Learning from the past: A short term forecast method for the COVID-19 incidence curve

Plos.org 
En

by Jean-David Morel, Jean-Michel Morel, Luis Alvarez

The COVID-19 pandemy has created a radically new situation where most countries provide raw measurements of their daily incidence and disclose them in real time. This enables new machine learning forecast strategies where the prediction might no longer be based just on the past values of the current incidence curve, but could take advantage of observations in many countries. We present such a simple global machine learning procedure using all past daily incidence trend curves. Читать дальше...

Gain modulation and odor concentration invariance in early olfactory networks

Plos.org 
En

by Emiliano Marachlian, Ramón Huerta, Fernando F. Locatelli

The broad receptive field of the olfactory receptors constitutes the basis of a combinatorial code that allows animals to detect and discriminate many more odorants than the actual number of receptor types that they express. One drawback is that high odor concentrations recruit lower affinity receptors which can lead to the perception of qualitatively different odors. Here we addressed the contribution that signal-processing in the... Читать дальше...

There's Finally a Way to Silence Spam Calls on WhatsApp

Lifehacker.com 
En

WhatsApp’s VoIP calls are fast, free, and often better than old-fashioned cellular calls (given your wifi is strong enough). In some parts of the world, it’s even become the default way to call people. With all that popularity, though, comes a spam call epidemic. Whether you rely on WhatsApp or your traditional phone…

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Venezuela Defies Expectations As Economy Rebounds

Oilprice.com 
En

In less than a decade, the economy of what was once South America’s wealthiest country, Venezuela, collapsed. The oil-rich country, which once pumped over three million barrels of petroleum daily, slumped into the worst economic collapse of modern times to occur outside of war. For the decade between 2012 and 2022, Venezuela’s gross domestic product plummeted by a whopping 300%, falling from $372 billion to $93 billion. It wasn’t until 2021 that the OPEC member’s economy finally returned to growth... Читать дальше...

A history of soccer friendlies in the US: From 1905 to now

World Soccer Talk: World Cup 2014 
En

Soccer friendlies in the US have become an annual tradition in the summer. But it's not a new phenomenon. For almost as long as the sport has been played in this country, clubs from overseas have been visiting to put on a show for American fans. One of the earliest occurrences was a team of […]

Soccer friendlies in the US have become an annual tradition in the summer. But it’s not a new phenomenon. For almost as long as the sport has been played in this country, clubs from overseas have been visiting to put on a show for American fans. Читать дальше...

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