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2022-09-17 at 5:46 PM UTC in Putin warns of ‘serious response’ to Ukraine ‘terror acts’https://www.aljazeera.com/news/2022/9/17/vladimir-putin-warns-of-serious-response-to-terrorist-acts
The Russian leader said the main goal of the campaign continues to be “the liberation of the entire territory of Donbas” – the areas of eastern Ukraine including Donetsk and Luhansk that are largely Russian speaking.
“The plan is not subject to adjustment,” Putin said. “Our offensive operations in Donbas itself do not stop. They are going at a slow pace … The Russian army is occupying newer and newer territories.”
He accused Ukrainian forces of attempts to carry out “terrorist acts” and causing damage to Russian civilian infrastructure.
“We are really quite restrained in our response to this for the time being,” Putin said at a news conference on Friday. “If the situation continues to develop in this way, the response will be more serious.” -
2022-09-17 at 5:33 PM UTC in Nanoplastics can disrupt human liver, lung cells’ processes in lab experimentshttps://www.eurekalert.org/news-releases/964780
What happens when people unknowingly eat, drink or inhale nearly invisible pieces of plastic? Although it’s unclear what impact this really has on humans, researchers have now taken a step toward answering that question. In ACS’ Environmental Science & Technology, a team reports laboratory results indicating that tiny plastic particles could enter liver and lung cells and disrupt their regular processes, potentially causing adverse health outcomes.
Plastic can’t be avoided in daily life. Many products that we bring into our homes are made of plastic or wrapped in plastic packaging — all of which could release micro- and nanometer-sized pieces that could be accidentally consumed or inhaled. Although the health risks to humans from taking in nanoplastics isn’t entirely clear, researchers recently have shown that particles less than 100 nm-wide can enter animals’ blood and organs, causing inflammation, toxicity and neurological changes. So, Zongwei Cai, Chunmiao Zheng and colleagues wanted to examine the molecular-level and metabolic impacts when human lung and liver cells are exposed to similarly sized nanoplastics.
The researchers cultured human liver and lung cells separately in laboratory plates and treated them with different amounts of 80 nm-wide plastic particles. After two days, electron microscopy images showed that nanoplastics had entered both types of cells without killing them.
To learn more about what happened to the cells, the researchers looked at the compounds released by mitochondria — crucial energy-producing organelles that are thought to be sensitive to nanoplastics — during metabolism. As liver and lung cells were exposed to more nanoplastics, they produced more reactive oxygen species and different amounts of nucleotides, nucleosides, amino acids, peptides and carboxylic acids, indicating that multiple metabolic processes were disturbed. In some cases, mitochondrial pathways appeared to be dysfunctional. These observations demonstrate that while nanoplastics exposure doesn’t kill human lung and liver cells, it could disrupt critical processes, potentially causing negative impacts to organs, the researchers say.
The authors acknowledge funding from the Hong Kong General Research Fund and the National Science Foundation of China.
The American Chemical Society (ACS) is a nonprofit organization chartered by the U.S. Congress. ACS’ mission is to advance the broader chemistry enterprise and its practitioners for the benefit of Earth and all its people. The Society is a global leader in promoting excellence in science education and providing access to chemistry-related information and research through its multiple research solutions, peer-reviewed journals, scientific conferences, eBooks and weekly news periodical Chemical & Engineering News. ACS journals are among the most cited, most trusted and most read within the scientific literature; however, ACS itself does not conduct chemical research. As a leader in scientific information solutions, its CAS division partners with global innovators to accelerate breakthroughs by curating, connecting and analyzing the world’s scientific knowledge. ACS’ main offices are in Washington, D.C., and Columbus, Ohio. -
2022-09-17 at 5:16 PM UTC in California Gov. Gavin Newsom challenges Florida Gov. Ron DeSantis to debatehttps://www.cbsnews.com/sacramento/news/california-gov-newsom-challenges-florida-gov-ron-desantis-to-debate/
https://twitter.com/GavinNewsom/status/1570902190964998145"Hey @GovRonDeSantis, clearly you're struggling, distracted, and busy playing politics with people's lives. Since you have only one overriding need – attention –let's take this up & debate. I'll bring my hair gel. You bring your hairspray. Name the time before Election Day. @CNN"
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2022-09-17 at 5:10 PM UTC in Is Andrew Yang a Robot?
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2022-09-17 at 12:12 AM UTC in Enhanced visualization of female squirtinghttps://onlinelibrary.wiley.com/doi/10.1111/iju.15004
Introduction
Squirting is the involuntary expulsion of fluid from the female urethra following stimulation of the anterior vaginal wall before or during orgasm. The mechanism underlying squirting has not been established.
Purpose
To elucidate the mechanism of squirting.
Methods
The subjects in the current study were women who were able to squirt. They were not sex workers. A urethral catheter was inserted before sexual stimulation and the bladder was emptied. Then, a mixture of indigo carmine (10 ml) and saline (40 ml) was injected into the bladder. Sexual stimulation was provided to facilitate squirting, which was videotaped and verified. The secretions were collected in sterile cups, and prostate specific antigen (PSA) and glucose levels were measured.
Results
Five women (2 in the 30s, 2 in the 40s, and 1 in the 50s) participated in this study. All women were able to squirt; three squirted only with manual sexual stimulation and two with penetrative sexual stimulation. The discharged fluid was blue in all cases, confirming the bladder as the source. The fluid was PSA-positive in four patients.
Conclusions
The main component of squirt fluid is urine, but may also contain fluid from Skene's glands (female prostate). This is the first report in which visualization of squirting was enhanced. -
2022-09-17 at 12:04 AM UTC in A man said he would "Die in his boots" on January 6th
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2022-09-17 at 12:03 AM UTC in Why Would Antifa Want to Stop Biden?
