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A study reported in the journal acta ethologica has recorded the use of ultrasound by amphibians for the first time in South America. It also describes the first documented case of the use of ultrasound for defense against predators, in a distress call of ear-piercing intensity to many animals, but inaudible to humans. "Some potential predators of amphibians, such as bats, rodents and small primates, are able to emit and hear sounds at this frequency, which humans can't. One of our hypotheses is that the distress call is addressed to some of these, but it could also be the case that the broad frequency band is generalist in the sense that it's supposed to scare as many predators as possible," said Ubiratã Ferreira Souza, first author of the article. The study was part of his master's research at the State University of Campinas's Institute of Biology (IB-UNICAMP) in São Paulo state, Brazil.

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Corporate greed is driving inflation. CEO's are robbing Americans

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Makes sense

Scientists have discovered a link between low household income and faster decay of the white matter inside our brains. While levels of this white matter decline with age, living in poverty seems to speed up the process. The findings are based on an analysis of 751 individuals aged between 50 and 91, carried out by a team of researchers from the University of Lausanne and the University of Geneva in Switzerland. After accounting for factors such as age, sex, and some key health issues, the study found that those in poorer households showed more signs of white matter aging in their brains in MRI scans, and scored lower on cognitive tests than those in wealthier households.

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#stressful

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Ammonia is one of the most widely produced chemicals in the world, and is used in a great many manufacturing and service industries. The conventional production technology is the Haber-Bosch process, which combines nitrogen gas (N2) and hydrogen gas (H2) in a reactor in the presence of a catalyst. This process requires high levels of temperature and pressure, resulting in substantial power consumption. Indeed, ammonia production is estimated to consume 1%–2% of the world's electricity and to account for about 3% of global carbon emissions. In pursuit of more sustainable alternatives, researchers affiliated with the Center for Development of Functional Materials (CDMF) have developed an electrochemical nitrogen reduction process using catalysts made of iron oxide and molybdenum disulfide. Because the process is electrochemical, it does not require high temperature and pressure.

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BNO News on Twitter: "South Korea's fertility rate, already the lowest in the world, dropped by another 8 percent in 2023.

New data shows the fertility rate dropped to 0.72, far below the 2.1 needed to maintain the population."

I made a post a while ago about the 4B movement in South Korea and how and why it pertains to the liberation and freedoms of Korean women. The tiktok video I shared a while ago gives background and context to Korean Feminism and current struggles that Korean women still face in their country. If you have the time to look at this as well, I highly recommend watching this video:

I am always in solidarity with Korean women, and I truly hope for real, systemic changes soon. Korean women deserve to always feel safe and protected -to always have the same access to opportunities and more.

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A boisterous young chimpanzee slaps an adult in his family on the back, then scampers away and looks back to see the response to his cheekiness. Nothing yet, so the young chimp Azibo rolls back and dishes out another slap, this time provoking a reaction: the distracted adult waves a half-hearted swipe in his direction, shooing the troublesome youth away—though not for long. This scene recorded at Leipzig Zoo in Germany is just one of many analyzed by scientists to show that great apes engage in playful teasing in a similar way to young human children.

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The late stages of capitalism are nigh.

Abolish Citizens United. Restore meaningful campaign finance laws.

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Please reblog, this could really help someone