Source: REX The US intends to return 28 documents signed by Peter the Great and Joseph Stalin in the 18th and 20th centuries to Russia.  The documents were stolen during the 1990s from Russian archives, but were later found in the United States in the course of the investigation that lasted for about six years. The US Embassy in Moscow plans to deliver the historical documents to the Russian government on March 3 in a special ceremony, despite the confrontation between the two countries.

Source: Mil.ru To mark the Day of Airborne Forces, which Russia is celebrating on August 2, the Russian Defence Ministry published unique documents on its official website about the establishment of Airborne Forces.The documents date back to the Great Patriotic War. One of them is titled the "Main Directorate of Airborne Troops of the Red Army." The document had been drafted literally a few days before the beginning of the war in 1941. Another document determines the combat composition of airborne units that started fighting against fascist invaders in September of 1941. The publication also includes the combat characteristics of the commander of the 49th Guards Rifle Division, Colonel Margelov, who subsequently became the legendary commander of the Airborne Forces.The main symbol of Russia's Airborne Forces - the blue beret - was approved in 1969 by Marshal of the Soviet Union Andrei Grechko.

Russian President Vladimir Putin proposed making a number of changes to conditions for the use of nuclear weapons, the Kremlin said. In particular, "Fundamentals of State Policy in the Field of Nuclear Deterrence" expands the category of states and military alliances against which acts of nuclear deterrence will be carried out. "In the updated version of the document, aggression against Russia by any non-nuclear state, but with the participation or support of a nuclear state, is proposed to be considered as their joint attack on the Russian Federation," Putin said at a meeting of the Permanent Conference of the Security Council on Nuclear Deterrence.

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Sberbank — Russia's largest state-owned bank — has the only foreign branch in India. In early November it was reported that Sberbank was going to open a branch in China. According to Alexander Vedyakhin, deputy chairman of the board, all the necessary documents have been sent to China, RBC reports. "We have been communicating with the People's Bank of China a lot lately. We have sent a massive package of documents there, as the Chinese regulator is very meticulous about documents. I hope that by the end of 2023 we will be able to open a branch in China. It usually takes 1.5-2 years, but we hope that by the end of 2023 we will already have a branch in this country,” Alexander Vedyakhin said. Sberbank opened a representative office in China in 2010; A representative office of Sberbank appeared in Germany in 2009; Sberbank has only one branch abroad — in New Delhi, India. After the start of the Russian special operation in Ukraine, Sberbank came under sanctions from Western states: the United States and Great Britain froze the bank's assets and banned citizens from doing business with it, whereas the EU disconnected Sberbank from the SWIFT interbank data exchange system.

EKM, the software solutions provider for simplified managed print, remote service automation, and anything-as-a-service (XaaS) subscription enablement, has entered into an international partnership with Global Document Lifecycle Solutions Integrator, @DOCS, an end-to-end provider for document, records, print and visitor management solutions.

There is nothing wrong with having sex after vaccination against COVID-19, Vladislav Zhemchugov, Doctor of Medical Sciences, specialist in especially dangerous infections, said in an interview with RIA Novosti. According to him, sex is an energy-intensive process. However, according to the doctor, everything depends on the person.  “I think that on the contrary, a higher emotional background contributes to an increase in immunity,” the specialist said.

[Culture] :
A documentary about a 1970s campaign in the United States to release a Korean immigrant, who was wrongfully convicted of murder, from prison was honored at this year's Emmy Awards. According to the National Academy of Television Arts and Sciences(NATAS), the documentary, titled "Free Cholsoo ...

[more...]

Theoretical and experimental structural studies of the title compound were undertaken using X-ray and DFT methods. The inter­actions present in the crystal were analyzed using Hirshfeld surface and MEP surface analysis. Docking studies with a covid-19 main protease (PDB ID: 6LU7) as the target receptor indicate that the synthesized compound may be a potential candidate for pharmaceutical applications.

The title compound is a non-liquid crystal mol­ecule. The mol­ecular crystal is consolidated by C—Br⋯O&z-dbnd;C type contacts running continuously along the [001] direction.

In the title compound, C8H9BrN2O2, the C—O—C—C torsion angle between isonicotine and the ethyl group is 180.0 (2)°. Intramolecular N—H...O and C—H...O interactions consolidate the molecular structure. In the crystal, N—H...N interaction form S(5) zigzag chains along [010]. The most significant contributions to the Hirshfeld surface arise from H...H (33.2%), Br...H/H...Br (20.9%), O...H/H...O (11.2%), C...H/H...C (11.1%) and N...H/H...N (10%) contacts. The topology of the three-dimensional energy frameworks was generated using the B3LYP/6–31 G(d,p) model to calculate the total interaction energy. The net interaction energies for the title compound are Eele = 59.2 kJ mol−1, Epol = 15.5 kJ mol−1, Edis = 140.3 kJ mol−1 and Erep = 107.2 kJ mol−1 with a total interaction energy Etot of 128.8 kJ mol−1. The molecular structure was optimized by density functional theory (DFT) at the B3LYP/6–311+G(d,p) level and the theoretical and experimentally obtained parameters were compared. The frontier molecular orbitals HOMO and LUMO were generated, giving an energy gap ΔE of 4.0931 eV. The MEP was generated to identify active sites in the molecule and molecular docking studies carried out with the title compound (ligand) and the covid-19 main protease PDB ID: 6LU7, revealing a moderate binding affinity of −5.4 kcal mol−1.

The interpretation of cryo-EM maps often includes the docking of known or predicted structures of the components, which is particularly useful when the map resolution is worse than 4 Å. Although it can be effective to search the entire map to find the best placement of a component, the process can be slow when the maps are large. However, frequently there is a well-founded hypothesis about where particular components are located. In such cases, a local search using a map subvolume will be much faster because the search volume is smaller, and more sensitive because optimizing the search volume for the rotation-search step enhances the signal to noise. A Fourier-space likelihood-based local search approach, based on the previously published em_placement software, has been implemented in the new emplace_local program. Tests confirm that the local search approach enhances the speed and sensitivity of the computations. An interactive graphical interface in the ChimeraX molecular-graphics program provides a convenient way to set up and evaluate docking calculations, particularly in defining the part of the map into which the components should be placed.

The title compound, [CdBr2(C6H14N2O)], was synthesized upon complexation of 4-(2-aminoethyl)morpholine and cadmium(II) bromide tetra­hydrate at 303 K. It crystallizes as a centrosymmetric dimer, with one cadmium atom, two bromine atoms and one N,N'-bidentate 4-(2-aminoethyl)morpholine ligand in the asymmetric unit. The metal atom is six-coordinated and has a distorted octa­hedral geometry. In the crystal, O⋯Cd inter­actions link the dimers into a polymeric double chain and inter­molecular C—H⋯O hydrogen bonds form R22(6) ring motifs. Further C—H⋯Br and N—H⋯Br hydrogen bonds link the components into a three-dimensional network. As the N—H⋯Br hydrogen bonds are shorter than the C—H⋯Br inter­actions, they have a larger effect on the packing. A Hirshfeld surface analysis reveals that the largest contributions to the packing are from H⋯H (46.1%) and Br⋯H/H⋯Br (38.9%) inter­actions with smaller contributions from the O⋯H/H⋯O (4.7%), Br⋯Cd/Cd⋯Br (4.4%), O⋯Cd/Cd⋯O (3.5%), Br⋯Br (1.1%), Cd⋯H/H⋯Cd (0.9%), Br⋯O/O⋯Br (0.3%) and O⋯N/N⋯O (0.1%) contacts.

In the title compound, C33H29ClN2O2, the two piperidine rings of the di­aza­bicyclo moiety adopt distorted-chair conformations. Inter­molecular C—H⋯π inter­actions are mainly responsible for the crystal packing. The inter­molecular inter­actions were qu­anti­fied and analysed using Hirshfeld surface analysis, revealing that H⋯H inter­actions contribute most to the crystal packing (52.3%). The mol­ecular structure was further optimized by density functional theory (DFT) at the B3LYP/6–31 G(d,p) level and is compared with the experimentally determined mol­ecular structure in the solid state.

The two mol­ecules in the asymmetric unit of the title compound, C23H24N2O2S, have a structural overlap with an r.m.s. deviation of 0.82 Å. The piperidine rings adopt a distorted boat conformation. Intra- and inter­molecular C—H⋯O hydrogen bonds are responsible for the cohesion of the crystal packing. The inter­molecular inter­actions were qu­anti­fied and analysed using Hirshfeld surface analysis. The mol­ecular structure optimized by density functional theory (DFT) at the B3LYP/6–311++G(d,p)level is compared with the experimentally determined mol­ecular structure in the solid state.

The crystal structure of the title organic–inorganic hybrid salt, (C13H12N3)2[CdCl4], (I), has been reported with four mol­ecules in the asymmetric unit in a monoclinic cell [Vassilyeva et al. (2021). RSC Advances, 11, 7713–7722]. While using two different aldehydes in the oxidative cyclization–condensation involving CH3NH2·HCl to prepare a new monovalent cation with the imidazo[1,5-a]pyridinium skeleton, a new polymorph was obtained for (I) in space group P1 and a unit cell with approximately half the volume of the monoclinic form. The structural configurations of the two crystallographically non-equivalent organic cations as well as the geometry of the moderately distorted tetra­hedral CdCl42– dianion show minor changes. In the crystal, identically stacked cations and tetra­chloro­cadmate anions form separate columns parallel to the a axis. The loose packing of the anions leads to a minimal separation of approximately 9.53 Å between the metal atoms in the triclinic form versus 7.51 Å in the monoclinic one, indicating that the latter is packed slightly more densely. The two forms also differ by aromatic stacking motifs. Similar to the monoclinic polymorph, the triclinic one excited at 364 nm shows an intense unsymmetrical photoluminescent band with maximum at 403 nm and a full width at half maximum of 51 nm in the solid state.

In the title compound, C25H17NO3, the torsion angle associated with the phenyl benzoate group is −173.7 (2)° and that for the benz­yloxy group is −174.8 (2)° establishing an anti-type conformation. The dihedral angles between the ten-membered cyanona­phthalene ring and the aromatic ring of the phenyl benzoate and the benz­yloxy fragments are 40.70 (10) and 87.51 (11)°, respectively, whereas the dihedral angle between the aromatic phenyl benzoate and the benz­yloxy fragments is 72.30 (13)°. In the crystal, the mol­ecules are linked by weak C—H⋯O inter­actions forming S(4) chains propagating parallel to [010]. The packing is consolidated by three C—H⋯π inter­actions and two π–π stacking inter­actions between the aromatic rings of naphthalene and phenyl benzoate with centroid-to-centroid distances of 3.9698 (15) and 3.8568 (15) Å, respectively. Inter­molecular inter­actions were qu­anti­fied using Hirshfeld surface analysis. The mol­ecular structure was further optimized by density functional theory (DFT) at the B3LYP/6–311+ G(d,p) level, revealing that the energy gap between HOMO and LUMO is 3.17 eV. Mol­ecular docking studies were carried out for the title compound as a ligand and SARS-Covid-2(PDB ID:7QF0) protein as a receptor giving a binding affinity of −9.5 kcal mol−1.

Millicent Simmonds, Noah Jupe and Emily Blunt return in “A Quiet Place, Part II.”; Credit: Paramount Pictures

This content is from Southern California Public Radio. View the original story at SCPR.org.

Still of Emily Blunt and Noah Jupe in the film “A Quiet Place Part II.”; Credit: Paramount Pictures

Larry Mantle and KPCC film critics Lael Loewenstein, Christy Lemire and Charles Solomon review this weekend’s new movie releases on streaming and on demand platforms.

• "A Quiet Place Part II," in wide release

• "Cruella," in wide release & Disney+

• "Dog Gone Trouble," on Netflix

• "Pretty Guardian Sailor Moon Eternal The Movie," on Netflix June 3

• "Moby Doc," In Select Theaters (check your local listings); VOD (including FandangoNow, iTunes, Vudu); Laemmle’s Virtual Cinema June 4

• "Changing The Game," on Hulu June 1

• "Port Authority," Cinelounge Sunset Hollywood; Laemmle’s Virtual Cinema; Digital/VOD (including Vudu, Google Play, FandangoNow) June 1

• "Plan B," on Hulu

• "Borat Supplemental Reportings," on Amazon Prime Video

• "Dead Pigs," on Laemmle’s Virtual Cinema

Our FilmWeek critics have been curating personal lists of their favorite TV shows and movies to binge-watch during self-quarantine. You can see recommendations from each of the critics and where you can watch them here.

Guests:

Christy Lemire, film critic for KPCC, RogerEbert.com and co-host of the ‘Breakfast All Day’ podcast; she tweets @christylemire

Lael Loewenstein, film critic for KPCC and film columnist for the Santa Monica Daily Press; she tweets @LAELLO

Charles Solomon, film critic for KPCC, Animation Scoop and Animation Magazine

This content is from Southern California Public Radio. View the original story at SCPR.org.

Edgar Wright attends the 55th Annual International Cinematographers Guild Publicists Awards at The Beverly Hilton Hotel on March 2, 2018 in Beverly Hills, California.; Credit: Tommaso Boddi/Getty Images

The joke about Sparks — if you’ve even heard of them — is that it’s the best British band to come out of America. That confusion is why Edgar Wright, the director of “Baby Driver” and “Shaun of the Dead,” wanted to make his first documentary about the group, headed by brothers Ron and Russell Mael. Quite simply, Wright was tired of explaining who the band was and why he loves them. His documentary, called “The Sparks Brothers,” premiered at this year’s Sundance Film Festival. John Horn talked with Wright after its January premiere about his personal connection to the band, how he connected with the brother, the editing process of the documentary and more. The film is in theaters now.

With guest host John Horn

Guest: 

Edgar Wright, director of the new documentary “The Sparks Brothers;” he tweets @edgarwright

This content is from Southern California Public Radio. View the original story at SCPR.org.

Budget Office wins national award, for producing budget document judged easy to read and understand, for 25th straight year

The National Research Council today released its assessment of U.S. doctoral programs, which includes data on over 5,000 programs in 62 fields at 212 universities nationwide.

A new report by the National Academies of Sciences, Engineering, and Medicine proposes a strategy that the U.S. Environmental Protection Agency (EPA) should use to evaluate the evidence of adverse human health effects from low doses of exposure to chemicals that can disrupt the endocrine system.

When communicating with parents about getting their children vaccinated against COVID-19, emphasize the safety and efficacy of the vaccines, encourage them to talk with their family doctor, and leverage parents’ social networks.

Even before the COVID-19 pandemic, many older Americans experienced social isolation or loneliness, which can impact both mental and physical health. Carla Perissinotto, a geriatrician who served on a National Academies study committee that examined the topic, reflected on her patients’ experiences during the pandemic and what we’ve learned.

National Academy of Sciences President Marcia McNutt has been awarded an honorary doctorate from the National Academy of Sciences of Ukraine for her “significant contributions to the development of science and international scientific collaboration.”

The producer’s newest flavor will be available through August 2024.

PPI MS-7 includes detailed specifications for four plastic piping materials which have been proven in ground-source heat exchange systems: HDPE, PE-RT, PEX, and PP (PP-R and PP-RCT).

The document addresses the need for enforceable safety provisions for geothermal district ambient temperature loop systems.

There are only two types of companies I’ve ever worked with in my 18 years of being a consultant to the contracting industry.

A dockworker strike that could affect up to 36 ports along the U.S. East and Gulf Coasts would significantly impact the economy; the roofing industry would not be spared.

When snow and “ice missiles” blowing off semi-trailers and trucks are added to the equation, the risk factor increases exponentially.

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