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Russians are starting to feel the effect of sanctions aimed at punishing the country for invading Ukraine.

Studying mice, researchers at Washington University School of Medicine in St. Louis have discovered that roseolovirus can trigger autoimmunity in a previously unknown way: by disrupting the process by which immune cells learn to avoid targeting their own body's cells and tissues. source https://www.sciencedaily.com/releases/2022/02/220228103805.htm

Experts and parents share tips to help you stop yelling at your kids.

An unnoticed network of channels is cutting across the coastal plain landscape along the Gulf Coast and influencing how water flows, according to new research that could help predict flooding from major storms in the future. source https://www.sciencedaily.com/releases/2022/02/220228150634.htm

Social isolation and loneliness are associated with a greater risk of heart disease and stroke among postmenopausal women, a new suggests.

People who are more physically fit are less likely to develop Alzheimer's disease than people who are less physically fit, according to a preliminary study. source https://www.sciencedaily.com/releases/2022/02/220228125736.htm

A new study tracked lithium metal deposition and removal from a battery anode while it was cycling to find clues as to how failure occurs. The research could help improve the use of pure lithium metal in anodes for electric vehicle batteries, which would reduce battery weights and dramatically extend driving range. source https://www.sciencedaily.com/releases/2022/02/220228125627.htm

A new data analysis tool has revealed the specific immune cell types associated with increased risk of death from COVID-19. source https://www.sciencedaily.com/releases/2022/02/220228114335.htm

Researchers find personalized antibiotic prescriptions can reduce the emergence of antibiotic resistance. source https://www.sciencedaily.com/releases/2022/02/220225100232.htm

Ukraine says more than 200 civilians have been killed. Children have been caught up in the violence.

The EU is sending arms to Ukraine and banning Russian flights. Here's what you need to know after Day Four of the war.

Germany's new chancellor announces a massive increase in military spending as anti-war crowds gather.

Zhanna Gavrilenko spoke to the BBC's Mark Lowen near the Ukrainian-Polish border.

The president blames "unfriendly" Western actions towards Russia following its invasion of Ukraine.

The move reverses Germany's long-standing policy banning weapon exports to conflict zones.

Ukraine's president had no experience of politics when when elected in 2019, but has emerged as a convincing war leader.

The BBC's Sarah Rainsford visits Dnipro, where women are making Molotov cocktails to defend the city.

Mothers and grandmothers lead their children into the unknown as men aged 18 - 60 must stay behind.

Citizens of the capital are told to stay indoors until Monday morning as Russian forces close in.

Several FDA-approved drugs -- including for type 2 diabetes, hepatitis C and HIV -- significantly reduce the ability of the Delta variant of SARS-CoV-2 to replicate in human cells, according to new research. Specifically, the team found that these drugs inhibit certain viral enzymes, called proteases, that are essential for SARS-CoV-2 replication in infected human cells. source https://www.sciencedaily.com/releases/2022/02/220225085849.htm

The president filmed himself surrounded by his advisers on the streets of Kyiv.

Leaky gut syndrome is not a diagnosis taught in medical school, but instead points to a group of common symptoms that has not yet lead to a diagnosis. WebMD discusses what these symptoms mean and how increasing research might lead to a better understanding of this illness.

NASA's Nancy Grace Roman Space Telescope, now under construction, will test new technologies for space-based planet hunting. The mission aims to photograph worlds and dusty disks around nearby stars with detail up to a thousand times better than possible with other observatories. source https://www.sciencedaily.com/releases/2022/02/220224180346.htm

The effect of iron supplementation on skeletal muscle atrophy in cancer patients and sufferers from other wasting diseases has been investigated by scientists who studied causes of these conditions in humans and mouse models. The findings shed light on wasting mechanisms in advanced stage cancer patients, for whom prevalence of devastating skeletal muscle atrophy known generally as cachexia reaches 80 percent. source https://www.sciencedaily.com/releases/2022/02/220224180338.htm

The woman angrily asks the soldier, seen holding a large machine gun, why he has come to the city.

Researchers have developed a new method for generating network layouts that allow for visualizing different information of a network in two- and three-dimensional virtual space and exploring different perspectives. The results could also facilitate future research on rare diseases by providing more versatile, comprehensible representations of complex protein interactions. source https://www.sciencedaily.com/releases/2022/02/220224112645.htm

Roads out of Ukraine's major cities are jammed as many pack up and flee Russia's military invasion.

A new study suggests college students who vape appear to be at higher risk of having an eating disorders.

Genetic genealogy has become a popular hobby over the past several years, thanks to direct-to-consumer (DTC) genetic testing and relative-finder services offered by some DTC genetic testing companies. Researchers now report results from a survey that asked people who had participated in these services what effect the discovery of previously unknown relatives had on their lives. source https://www.sciencedaily.com/releases/2022/02/220224112657.htm

The war in Ukraine could threaten the economies and the stability of some African states.

Up to 190,000 troops are positioned near Ukraine's borders.

Ticks have evaded gene editing attempts for years, but scientists have finally figured out how to effectively modify their genome as they work to reduce disease transmission.

A research team has provided an important clue to the origin of the element Ytterbium in the Milky Way, by showing that the element largely originates from supernova explosions. The groundbreaking research also provides new opportunities for studying the evolution of our galaxy. source https://www.sciencedaily.com/releases/2022/02/220223104905.htm

Newcomers to exercise have yet another high-tech option that’s helping some of them off the couch to move their bodies at home, rather than venturing outside the front door.

For the first time since 2013, the American College of Gastroenterology (ACG) has issued updated evidence-based recommendations and practical guidance on the evaluation and management of gastroesophageal reflux disease (GERD), including pharmacologic, lifestyle, surgical, and endoscopic management.

Overall cancer risk is slightly increased in patients older than 40 within their first year of a celiac disease diagnosis, but the risk drops within a year of diagnosis, shows a Swedish study of 47,000 people with celiac disease.

As Kenyans take to social media to lament rising costs, we look at what is behind the rising cost of living.

Calls and contacts to national youth hotlines spiked during the COVID-19 pandemic, as young people look for help and guidance in dealing with stress and strains of the ongoing crisis.

A tiny burrowing frog that lives underground in the Amazon, known to local people as the 'tapir frog' because its long nose, has been given an official scientific description. source https://www.sciencedaily.com/releases/2022/02/220222135153.htm

A team of geologists and palaeontologists has discovered that, some 50 million years ago, there was a low-lying continent separating Europe from Asia that they have named Balkanatolia. At the time, it was inhabited by an endemic fauna that was very different from those of Europe and Asia. Geographical changes 40 to 34 million years ago connected this continent to its two neighbors, paving the way for the replacement of European mammals by Asian mammals. source https://www.sciencedaily.com/releases/2022/02/220222125110.htm

It is illegal to mine these areas of the rainforest but the government wants to change the law.

‘The study findings do not support the use of ivermectin for patients with COVID-19,’ study authors conclude.

New applications in energy, defense and telecommunications could receive a boost after a team created a new type of 'nanocrystal gel' -- a gel composed of tiny nanocrystals each 10,000 times smaller than the width of a human hair that are linked together into an organized network. source https://www.sciencedaily.com/releases/2022/02/220218153026.htm

Researchers have created new materials that are very stretchable and extremely tough. The new materials fall under the broader category of ionogels, which are polymer networks that contain salts that are liquid at room temperature. source https://www.sciencedaily.com/releases/2022/02/220221115416.htm

The holy city of Ayodhya is gearing up for a grand new temple, but many smaller shrines lie neglected.

The US says it has "credible information" that Russia is creating lists of Ukrainians to be killed.

President Putin says Russia will sign treaties of friendship and support with the breakaway Ukrainian regions.

The move from Vladimir Putin raises fears that Russian troops could be sent into the regions in eastern Ukraine.

Eighty years ago, the US government imprisoned about 120,000 Japanese Americans during World War Two.

A group of artists and architects have turned a derelict building into an art and light exhibit.

The children were killed by accident in an air strike by neighbouring Nigeria, local officials said.

Researchers report that patients with chronic hepatitis C who are treated with direct-acting antiviral medicines are less likely to be hospitalized or seek emergency care for liver and non-liver related health issues. The study underscores the extraordinary effect of these newer antivirals, which have been shown to cure hepatitis C in 98 percent of patients who take them. source https://www.sciencedaily.com/releases/2022/02/220218172310.htm

The secretary of state says Russia is "on the brink" of invading, amid reports of an imminent attack.

Latest advance in chronopharmacology, based on mouse models, suggests that time-of-day matters when using steroids to treat muscle diseases. source https://www.sciencedaily.com/releases/2022/02/220218153028.htm

A new investigation identifies thousands of foreign customers who stashed their money at the bank.

Actors Fu Dalong and Rao Minli announced Has broken up peacefully and ended the relationship. In the statement released by the two parties, the two said that this is the result of good communication, and the two will no longer respond and explain any discordant voices that may appear. Fu Dalong is a well-recognized and powerful actor in the circle. He once won the Huabiao Award for Best Actor and the Golden Rooster Award for Best Actor for his movie "Tiangu". Rao Minli starred in the TV series "Zhenguan Long Song" as the female No. 2 Begonia as early as her college days, and has since made outstanding performances in works such as "Blood Mist" and "New Jade Guanyin". In 2010, Fu Dalong and Rao Minli got married. When interviewed later, Fu Dalong once revealed that the wedding between the two was very simple. "We talked for more than two years and got the certificate when we felt it was suitable. The parents of both parties had a meal togethe

The BBC's Sarah Rainsford travels with Ukraine's leader amid his efforts to prevent a Russian invasion.

Some 146 deaths are confirmed as bad weather hampers Petrópolis rescuers four days after huge mudslides.

Mr Oh, who is now 79 years old, lived in a makeshift shelter in woodland in the city-state of Singapore.

St Paul's Cathedral invites artist Victor Ehikhamenor to respond to the looting of the Benin Bronzes.

A BBC investigation has found women’s nude photos shared on the social media app Telegram without their consent on a massive scale.

Miami Beach Police said two of the three passengers were taken to hospital in a stable condition.

But President Volodymyr Zelensky says Ukraine is ready to defend itself, amid a deadly rise in fighting.

At least 14 people have died as high winds leave homes without power and transport systems in disarray.

The US President says he has reason to believe Russian forces will target Ukraine's capital, Kyiv.

Single individuals of Atlantic cod and squid occur much further north than previously expected. Scientists have found fish and squid in deep water in the middle of the Arctic Ocean. source https://www.sciencedaily.com/releases/2022/02/220218153033.htm

After three weeks, police in Ottawa stepped up efforts to remove anti-vaccine mandate protesters.

Scientists have used entire human GI tracts from three organ donors to show how cell types differ across all regions of the intestines, to shed light on cellular functions, and to show gene expression differences between these cells and between individuals. source https://www.sciencedaily.com/releases/2022/02/220218153031.htm

Age and menopause status tied to increased urinary symptoms in women

Practices like water births or placenta eating have not been well-studied and could pose risks to birthing parents and babies.

A judge has ruled that Donald Trump and two of his children must testify in a New York probe into their business

Sediment cores taken from the Southern Ocean dating back 23 million years are providing insight into how ancient methane escaping from the seafloor could have led to regional or global climate and environmental changes, according to a new study. source https://www.sciencedaily.com/releases/2022/02/220217131912.htm

President Biden alleges that Russia is plotting "a false flag operation" to justify launching an attack.

New research out of the Mayo Clinic backs the idea that orthopedic surgical pain management might drop the use of opioids.

A meta-analysis of 26 studies that included more than 5,600 patients hospitalized with COVID-19 has found that taking immune-boosting micronutrients such as vitamin C, vitamin D and zinc do not lessen a patient's chance of dying from COVID-19. source https://www.sciencedaily.com/releases/2022/02/220217122358.htm

Prime Minister Trudeau is defending his decision to invoke the Emergencies Act to end the protests.

Through numerical simulations, a researcher details the discovery of a new isolated skyrmion with a half-integer topological quantum number in the ferromagnetic phase of the magnetic quantum fluid Bose-Einstein condensate (BEC). The new skyrmion is generated by applying a spin current to a magnetic domain wall and it has an eccentric (off-center) spin singularity inside it. source https://www.sciencedaily.com/releases/2022/02/220216112251.htm

Some Church members come to the defence of a Catholic priest in Arizona after he resigns.

This week’s news that a third person has been “cured” of HIV through a unique transplant of stem cells has given hope for a larger-scale way to beat back the HIV epidemic that has plagued the world for decades. But while this case is certainly cause for celebration, experts involved in the effort say we are still a long way from a universal cure.

Researchers have developed a vision for Germany in 2050 that illustrates ways to achieve a carbon dioxide-neutral life and economy. In their study they look back from a fictitious future to the present day. source https://www.sciencedaily.com/releases/2022/02/220216112245.htm

Landslides and flash flooding have left a trail of destruction and many dead in Petrópolis, Brazil.

Researchers surveyed and compared early- and late-stage breast and colorectal cancer diagnoses in patients in pre-pandemic 2019 and in 2020, the first full year of the COVID-19 pandemic, discovering fewer of the former and more of the latter as patients delayed care. source https://www.sciencedaily.com/releases/2022/02/220215125457.htm

The US president says invasion is "still very much a possibility" but the human cost would be "immense".

A modeling study raises questions about how far droplets, like those that carry the virus that causes COVID-19, can travel before becoming harmless. source https://www.sciencedaily.com/releases/2022/02/220215113354.htm

Halyna Hutchins died on 21 October on the set of "Rust" after Alec Baldwin discharged a live weapon.

Receiving at least one vaccine dose was associated with statistically significant declines in multiple psychological distress factors, researchers report in a new study. source https://www.sciencedaily.com/releases/2022/02/220215125454.htm

Novak Djokovic speaks exclusively to the BBC about his time in Covid detention in Australia last month.

The Mauritian government has led a trip to the disputed islands, which are controlled by Britain.

The leader of the nonprofit Families USA group sees results of a new study as evidence of a slow pace for efforts to shift medicine away from the fee-for-service model.

A research team has developed a new algorithm to measure entanglement entropy, advancing the exploration of more comprehensive laws in quantum mechanics, a move closer towards actualization of application of quantum materials. source https://www.sciencedaily.com/releases/2022/02/220214111807.htm

Craig Greenberg is unharmed after someone entered and fired shots at him. A suspect has been arrested.

Researchers have developed an automated technique that uses satellite imagery to determine when swine waste lagoons were constructed, allowing researchers to determine the extent to which these facilities may have affected environmental quality. source https://www.sciencedaily.com/releases/2022/02/220214111801.htm

Social media clips show military vehicles on the move - despite Russia's denials of an attack.

New Zealand police are using music to try and disperse a week-long vaccine mandate protest.

Chitra Ramkrishna allegedly shared business plans, meeting agendas and financial projections with the guru.

Jarryd Hayne will face a retrial in Australia after his sexual assault convictions were quashed.

Yemeni Jews Shama’a and Zechariah married young and survived extreme poverty and persecution together.

Cuba reopens its first LGBTQ hotel, but can tourists ignore the country's poor human rights record?

Several tactics are being used by pro-Kremlin sources to spread stories about Ukraine.

Why is Turkey is rebranding its internationally recognised name as “Türkiye”?

Ukraine accuses Russia of ignoring requests to explain its troop build-up, and calls for a meeting.

Former revolutionary general Hugo Torres has died aged 73, eight months after being detained for treason.

Cryptocurrency companies are set to dominate the commercials at this year's NFL final.

Most European countries banned tobacco ads years ago, but the Swiss are yet to tighten their laws.

Arun Srinivasan spent 15 years tracking down his father's missing motorbike - a beloved black Royal Enfield.

Some are questioning whether Guinea-Bissau's president was really the target of a coup attempt.

Separatists tried to seize Kharkiv in 2014. Now the city is turning away from its old neighbour.

Tamana Zaryabi Paryani was arrested on 19 January after taking part in a women's rights protest.

Police have already intercepted hundreds of vehicles trying to get into the city.

A new study reveals how prenatal exposure to mixtures of commonly found metals can adversely affect fetal growth. source https://www.sciencedaily.com/releases/2022/02/220210154145.htm

When you start learning how to do something new, like playing a musical instrument, the simplest tasks can feel difficult. But as you gain experience, you play with ease and without conscious thought. Researchers are mapping the signals that correlate with adaptive behavior and learning. source https://www.sciencedaily.com/releases/2022/02/220210114050.htm

An area of trees more than seven times the size of Manhattan, New York was destroyed.

The French president admits there is a Covid "fatigue" in the country ahead a banned gathering.

The rapper wants her to apologise for crowd safety comments he thinks are aimed at Travis Scott.

When Eric Adams, New York City’s new mayor and an avowed vegan since 2017, was outed this week for eating fish, the media went wild and the Twitterverse soon deemed the revelation FishGate.

A host of countries advise their nationals to leave after the US warns Russia might invade.

Too Much Marijuana Can Make You Unpleasantly, Dangerously Sick

A new catalyst extracts hydrogen from hydrogen storage materials easily and efficiently. The process occurs at mild temperatures and under normal atmospheric conditions, without using metals or additives. source https://www.sciencedaily.com/releases/2022/02/220210114038.htm

Russian naval drills makes marine navigation "practically impossible", Ukraine says.

Christian Eriksen says he is lucky to be alive and will do everything he can to return to his former level after joining Brentford.

Doctors have highly varied views on whether it's the right time to drop masks or whether doing so would set the nation back.

The moment that debris from destroyed planets impacts the surface of a white dwarf star has been observed. Astronomers saw X-rays from planetary debris heated to a million degrees as it fell onto the dead core of its host star. source https://www.sciencedaily.com/releases/2022/02/220210085007.htm

Many North American migratory birds are shrinking in size as temperatures have warmed over the past 40 years. But those with very big brains, relative to their body size, did not shrink as much as smaller-brained birds, according to new research. The study is the first to identify a direct link between cognition and animal response to human-made climate change. source https://www.sciencedaily.com/releases/2022/02/220210084942.htm

The French virologist jointly won the Nobel Prize but later drew criticism for unscientific claims.

What factors drive the health, growth and productivity of giant kelp? There are several, but according to researchers, what you see depends on the scale at which you're observing. source https://www.sciencedaily.com/releases/2022/02/220208143312.htm

New research has shown that compounds used to fight fungal diseases in plants are likely causing resistance to antifungal medications used to treat people. source https://www.sciencedaily.com/releases/2022/02/220208124423.htm

International judges blame Uganda for the death of 10-15,000 people between 1998 and 2003.

Channels on the surface of bone cells called osteocytes help build stronger bones in response to mechanical stress, shows a new study. source https://www.sciencedaily.com/releases/2022/02/220208113938.htm

German police have arrested a man after the lorry he was driving ploughed into more than 30 cars.

A recent study finds fewer procedures to diagnose cancer were done over the past 2 years, including cystoscopies to detect bladder cancer.