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Новости за 19.11.2024

How cells habituate

Sciencedaily.com 

Up until recently, habituation -- a simple form of learning -- was deemed the exclusive domain of complex organisms with brains and nervous systems, such as worms, insects, birds, and mammals. But a new study offers compelling evidence that even tiny single-cell creatures such as ciliates and amoebae, as well as the cells in our own bodies, could exhibit habituation akin to that seen in more complex organisms with brains.

Washed-up carcass of endangered fin whale near Alaska's largest city attracts crowds

«SFGate» (sfgate.com) 

An endangered fin whale that washed up near a coastal trail in Alaska’s largest city has attracted curious onlookers while biologists seek answers as to what caused the animal’s death. A National Oceanic and Atmospheric Administration biologist examining the whale told the Anchorage Daily News the whale was likely 1 to 3 years old. The carcass found over the weekend near Anchorage was 47 feet long and is believed to be that of a female. According to NOAA Fisheries, fin whales are the second-largest whale species... Читать дальше...

ARIEL AND ADE: THE BOXING SHOW – EPISODE 1 LIVESTREAM

Saddo's Boxing Site 

November 19, 2024 — Ariel and Ade: The Boxing Show Episode 2. Subscribe to our YouTube channel 👉 http://bit.ly/DAZNBoxingYouTube Subscribe to the DAZN X Series YouTube channel 👉 https://bit.ly/XSeriesYouTube Sign up to DAZN now 👉 http://DAZN.com/youtube Follow DAZN Boxing On Social Media 👇 Twitter: https://www.twitter.com/DAZNBoxing Instagram: https://www.instagram.com/DAZNBoxing Facebook: https://www.facebook.com/DAZN The DAZN Boxing Show ► https://bit.ly/3EQ70HN …

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Rafael Nadal loses potential final career match to open Davis Cup Final 8

CBC 

Rafael Nadal bit his lower lip and his eyes scanned the stands as he stood alongside his Davis Cup teammates for Spain's national anthem Tuesday before what he, and everyone, knew might be the last match of his career, a 6-4, 6-4 loss to Botic van de Zandschulp of the Netherlands.

Why weight? Researchers say it’s fitness that matters

Sciencedaily.com 

As rates of obesity, as defined by body mass index (BMI), continue to climb in the United States, so have efforts to lose weight, including a new era of weight-loss drugs. Yet a new systematic review and meta-analysis found that cardiorespiratory fitness was a stronger predictor of both cardiovascular disease and all-cause mortality than BMI.

Researchers use biophysics to design new vaccines against RSV and related respiratory viruses

Sciencedaily.com 

In most people, the lung-infecting pathogens known as respiratory syncytial virus (RSV) and human metapneumovirus (hMPV) trigger mild cold-like symptoms. But in infants and seniors, these viruses can cause severe pneumonia and even death. Vaccines against both viruses, however, have been difficult to design. Now, scientists have analyzed the structure and stability of a critical RSV and hMPV protein to better design vaccines that target it.