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It urges those who are unwell and the over-60s to delay international travel because of the Omicron variant.

The paedophile financier's pilot tells a court he also flew Bill Clinton and Donald Trump on the jet.

The suspect, a 15-year-old student, was taken into custody five minutes after police were called.

Emma Coronel Aispuro pleaded guilty to conspiracy and drug charges in June

Nearly half of the post-COVID patients studied showed symptoms associated with chronic fatigue.

Fauci, speaking at a White House COVID-19 briefing, said there’s a “very unusual constellation of changes” across the COVID-19 genome that indicates it is unlike any variant we have seen so far.

Combining knowledge of chemistry, physics, biology, and engineering, scientists from McGill University develop a biomaterial tough enough to repair the heart, muscles, and vocal cords, representing a major advance in regenerative medicine. source https://www.sciencedaily.com/releases/2021/11/211130150456.htm

Scientists recently discovered that water was once present in a region of Mars called Arabia Terra. source https://www.sciencedaily.com/releases/2021/11/211130150450.htm

Monsoons are continental weather events produced when intense summer sunlight heats land more than ocean. But new supercomputer simulations show that North America's only monsoon works differently. The North American monsoon, which drenches western Mexico and the American Southwest each summer, is generated when the jet stream collides with the Sierra Madre mountains, which diverts it southward and upward, condensing moisture laden air from the eastern Pacific into torrential rains. source https://www.sciencedaily.com/releases/2021/11/211130150444.htm

A new decision-making framework designed by an international team of fisheries researchers can help fisheries bolster their ability to adapt to a warming world. The tool is meant to take a lot of the guesswork out of finding resilience in a time of climate change. source https://www.sciencedaily.com/releases/2021/11/211130130234.htm

New clinical research indicates that a widely used food additive, carboxymethylcellulose, alters the intestinal environment of healthy persons, perturbing levels of beneficial bacteria and nutrients. These findings demonstrate the need for further study of the long-term impacts of this food additive on health. source https://www.sciencedaily.com/releases/2021/11/211130130223.htm

Greta Beccaglia reported the man to the police after the incident outside a stadium in Florence.

Strong winds hit the country's western coast, destroying buildings and blowing ships ashore.

When skies were blue and air pollution was reduced during stay-at-home lockdowns at the beginning of the COVID-19 pandemic, there were fewer severe heart attacks in the United States, a new study suggests.

New research gives a bird's-eye view of the scale of plastic creation globally, tracing where it's produced, where it ends up, and its environmental impact. source https://www.sciencedaily.com/releases/2021/11/211130112512.htm

Scientists can control brain circuits, behavior, and emotion using light. Researchers developed a new optogenetic tool, 'Opto-vTrap', which is expected to contribute to treatment for epilepsy, muscle spasms, and skin wrinkles. source https://www.sciencedaily.com/releases/2021/11/211130112506.htm

Which diet is better: moderately reduce meat consumption and eat more fruit, vegetables and wholegrain products or eating more fish and seafood? Or even switch completely to a vegan diet? A new study shows that the answer to these questions is not as clear-cut as one might think -- depending on which impacts one closely looks. source https://www.sciencedaily.com/releases/2021/11/211130101449.htm

Scientists used animated humanoid avatars to study how nonverbal cues influence people's behavior. The research offers insight into the brain mechanisms that drive social and economic decision-making. source https://www.sciencedaily.com/releases/2021/11/211130101438.htm

A new study reveals why coaches believe 'game intelligence,' work ethic and competitiveness are far more important than physical fitness in determining success on the basketball court. source https://www.sciencedaily.com/releases/2021/11/211130101425.htm

Scientists designed an algorithm that detected four out of five infections in a new study.

The Moderna CEO says existing COVID-19 vaccines will likely be less effective against the new Omicron variant.

Difficulties include trouble meeting medical costs, having utilities shut off, inability to pay bills and even eviction and homelessness.

Researchers have succeeded in their aim of not only changing the strength but also the nature of the interaction between microscopic quantum magnets, known as spins. Instead of falling into a state of complete disorder, the especially prepared magnets can maintain their original orientation for a long period. With these findings, the physicists have successfully demonstrated a programmable control of spin interactions in isolated quantum systems. source https://www.sciencedaily.com/releases/2021/11/211129105629.htm

Researchers have developed an ionic artificial vision device capable of increasing the edge contrast between the darker and lighter areas of an mage in a manner similar to that of human vision. This first-ever synthetic mimicry of human optical illusions was achieved using ionic migration and interaction within solids. It may be possible to use the device to develop compact, energy-efficient visual sensing and image processing hardware systems capable of processing analog signals. source https://www.sciencedaily.com/releases/2021/11/211129105626.htm

Omicron could lead to severe consequences in some regions, the World Health Organization has warned.

The episode includes jokes about China's censorship of the Tiananmen Square massacre.

Trying to manage hypertension? Taking drugs for other conditions might make your blood pressure worse.

President Joe Biden said Monday available vaccines are expected to provide some protection against the new Omicron COVID-19 variant, and federal health officials are working to gather more information on its potency before the first cases are detected in the United States.

Years after he quit smoking, Jim Stocker woke up with a "leg attack." Here’s how he walked through pain and misdiagnosis to get on better footing with peripheral arterial disease.

The latest news on the new Omicron coronavirus variant, which has been detected in several countries in recent days.

In part of a recent human study led by the Technical University of Munich (TUM), it was found that after eating a curry dish containing pepper, piperine - an alkaloid responsible for the pungency of pepper - was present in the milk of breastfeeding women. The findings help decipher mechanisms that shape our food preferences from infancy. source https://www.sciencedaily.com/releases/2021/11/211129105546.htm

Researchers have explored the brain neuronal mechanism that allows the perception of familiar images even if they are indistinct. They found that the number of neurons responding to low-contrast rather than high-contrast visual stimuli increased in rats performing a visual orientation discrimination task after repeated experiences. These neurons showed stronger activities in correct-choice than incorrect-choice trials. These neurons efficiently represented low-contrast stimulations. Thus, the low-contrast preference in V1 activity may contribute to improved low-contrast visual. discrimination. source https://www.sciencedaily.com/releases/2021/11/211127014414.htm

A team of physicists has shown how quantum systems can simultaneously evolve along two opposite time arrows - both forward and backward in time. The study necessitates a rethink of how the flow of time is understood and represented in contexts where quantum laws play a crucial role. source https://www.sciencedaily.com/releases/2021/11/211126130851.htm

From 50,000 years to 6,000 years ago, many of the world's largest animals, including such iconic grassland grazers as the woolly mammoth, giant bison, and ancient horses, went extinct. The loss of these grazing species triggered a dramatic increase in fire activity in the world's grasslands, according to a new study. source https://www.sciencedaily.com/releases/2021/11/211125154838.htm

Researchers describe a revolutionary imaging technology that compresses lamp light into a nanometer-sized spot. It holds that light at the end of a silver nanowire like a Hogwarts student practicing the 'Lumos' spell, and uses it to reveal previously invisible details, including colors, in nanomaterials such as carbon nanotubes. source https://www.sciencedaily.com/releases/2021/11/211125154829.htm

No cases of the strain have been detected in the US, but Mr Biden called its arrival "inevitable".

People tend to plot ahead several moves even when they face an unpredictable opponent and have no hope of controlling the outcome, according to social experiments studying human nature.

An international research team have discovered a specific type of gut bacteria in bees that can improve memory. source https://www.sciencedaily.com/releases/2021/11/211125154826.htm

Researchers have developed a jelly-like material that can withstand the equivalent of an elephant standing on it, and completely recover to its original shape, even though it's 80% water. source https://www.sciencedaily.com/releases/2021/11/211125154814.htm

Seven Earth-sized planets orbit the star TRAPPIST-1 in near-perfect harmony, and researchers have now used that harmony to determine how much physical abuse the planets could have withstood in their infancy. source https://www.sciencedaily.com/releases/2021/11/211125154811.htm

A new statistical analysis supports beliefs that COVID-19 became more lethal in the U.K. in late 2020, while also suggesting that multiple factors -- not just the alpha variant of the virus that causes COVID-19 -- were to blame. source https://www.sciencedaily.com/releases/2021/11/211124153825.htm

One in five individuals avoided healthcare during lockdown in the COVID-19 pandemic, often for potentially urgent symptoms, according to a new study. source https://www.sciencedaily.com/releases/2021/11/211123162726.htm

A new study follows a yearlong look at social media use and onset of depression among nearly 5,400 adults.

Magdalena Andersson is backed by MPs again, despite standing down last week hours into the job.

Early results give the left-wing opposition a strong lead, but the governing party has not conceded.

The meeting is part of a restorative justice process that has to happen before parole is considered.

The defector had been on the run after staging a daring escape from a Chinese prison.

A prominent gambling industry figure in Macau is believed to be among those arrested.

The UK socialite denies grooming girls for convicted paedophile Jeffrey Epstein to sexually abuse.

Iran's nuclear advances adds air of urgency as sides meet in Vienna after months-long pause.

The arrests were made on a plane in Amsterdam's airport before the take-off on Sunday, police say.

Watch Celestina Olulode as she travels to the island to find out what Barbadians make of the move.

Tens of thousands of Venezuelans escaping poverty and violence at home are risking their lives to travel south to Chile.

Millions of dollars of public funds went through bank accounts of ex-President Joseph Kabila's allies, BBC Africa Eye reveals.

The competing ambitions of the countries involved make success a long shot, writes Jonathan Marcus.

Asad struggled with his mental health and suicidal thoughts when he came out to his religious family.

Experts say the government needs to first fulfil its promises to boost the public health system.

Ethiopians tell the BBC they are willing to give up their lives to defend their country against rebels.

Rizgar Hussein hasn't heard from his family since the Channel disaster on Tuesday.

Rizgar Hussein has not spoken to his family since they boarded a boat across the Channel on Tuesday.

Physicists have created a new ultra-thin two-layer material with quantum properties that normally require rare earth compounds. This material, which is relatively easy to make and does not contain rare earth metals, could provide a new platform for quantum computing and advance research into unconventional superconductivity and quantum criticality. source https://www.sciencedaily.com/releases/2021/11/211124153917.htm

The Arctic Ocean has been getting warmer since the beginning of the 20th century -- decades earlier than records suggest -- due to warmer water flowing into the delicate polar ecosystem from the Atlantic Ocean. source https://www.sciencedaily.com/releases/2021/11/211124153818.htm

Cyril Ramaphosa says the action by countries including the UK and US is discriminatory and unnecessary.

Abloh, who was Louis Vuitton's artistic director, had been suffering from a rare form of cancer.

Interior Minister Gérald Darmanin says France will not be held hostage by domestic British politics.

The three-day event is a celebration of Senegalese culture and features an elaborate parade.

Kevin Strickland was released after 42 years in jail over a triple murder he did not commit.

Petr Fiala was appointed by a president who is in self-isolation after testing positive for coronavirus.

Thirteen people who travelled from South Africa to the Netherlands have tested positive for Omicron.

The South African doctor who first spotted the new variant says patients are showing very mild symptoms so far.

The woman is charged with arson after allegedly lighting a fire under a bed at Pacific Hotel in Queensland.

Activists in Calais demand change after decades of people coming to the city looking to reach the UK.

Julie Anne Genter said she had not planned to cycle whilst in labour, "but it did end up happening".

The government says the three-week curbs are critical to protect hospitals from becoming overwhelmed.

Travellers from all countries will be banned from entering Israel for 14 days, local media report.

A former first lady and a man convicted of corruption vie to succeed an unpopular president.

Its famous architecture has been wrecked by war - now a female engineer is rebuilding amid the conflict.

The Bollywood superstar's female fandom rests not on love but on economics, according to a new book.

Singer Simi and Nollywood's Chigul tell the BBC about the cultural hurdles female stars face.

The US military has said that America's 2.1 million soldiers and sailors must all get the vaccine.

Three specially chartered planes have now returned 1,000 migrants from Belarus to Iraq.

Elodie Bateson, 11, from Limavady who is blind has become an expert at making short animated movies.

A selection of striking images from our readers around the world.

Jill Biden's clearly feeling festive but here’s some other tree-mendous moments you may have missed this week.

Archaeologists think the mummy, found near Lima, could be up to 1,200 years old.

The protest comes amid fear of an Islamist encroachment following a number of recent attacks.

Beijing is pushing ahead with Winter Olympics test events, despite Covid and human rights allegations.

The results are being examined for cases of the new Omicron variant emerging in southern Africa.

The head of women's tennis says he is not certain Peng Shuai is free of Chinese censorship or coercion.

Nations ban travellers from southern Africa, a day after health officials named the new Covid-19 strain.

The BBC has uncovered evidence showing that smugglers are still telling migrants it is safe to cross.

Sunday's referendum is held in a country with one of the lowest vaccination rates in Western Europe.

The US composer and lyricist reshaped America's musical theatre in a career spanning over 60 years.

This week at least 27 migrants died while trying to make the journey, the deadliest crossing on record.

The Kremlin is sending the West a message, but how big a risk is there of conflict?

Just a short journey from Beijing, athletes are training for the 2022 Winter Olympics in Chongli.

Some 4,000 young and mature trees face being cut down to make way for a Chinese-financed project.

Amid some legitimate concerns, misinformation and extreme views are radicalising people to violent protest.

An Indian government survey says so - but the numbers don't add up.

Maryam Nuri Mohamed Amin was a 24-year-old Kurdish woman from northern Iraq.

The World Health Organization on Friday classified a new COVID-19 variant from South Africa as a “variant of concern,” which means it could be more contagious, cause more severe disease and reduce the efficacy of vaccines and treatments.

The World Health Organization says the variant has a large number of mutations, some are concerning.

What drives people to make the perilous journey, which for many has ended in death?

The boss of the world's largest fertiliser producer says gas prices are responsible for higher food prices.

France cancels high-level talks with UK in protest at letter published by PM Boris Johnson on the migrant crisis.

It comes as China's technology industry regulator reviews compliance with new privacy rules.

Analysts say this year's sale will be the biggest ever, but retailers won't offer as many discounts.

Former Australia Test captain Tim Paine will take a break from cricket "for the foreseeable future".

Strikes or protests are planned in 20 countries, on one of the busiest days of the year for retail.

After a dramatic arrest, Greg Lynn is charged with killing a pair who disappeared 20 months ago.

How closely have you been paying attention to what's been going on during the past seven days?

The mail, tweeted out by a man claiming to be her associate, told the WTA to 'not hype up personal affairs.'

Young criminals are risking their lives to retrieve drugs smuggled into the Netherlands amongst freight arriving from Latin America.

UK-French rivalry is making a common solution difficult, says the BBC's Europe Editor Katya Adler.

Black Friday is back and Americans, flush with Covid cash, are going out to spend.

The ancient walkway, connecting two of the Egyptian city's greatest temples, took decades to excavate.

Some people were already in the water when the Italian coastguard reached them off Lampedusa Island.

A returns agreement would have an "immediate" impact on the number of crossings, Boris Johnson says.

At least 27 people died trying to reach the UK by boat. Officials are trying to find their identities.

It comes months after Turkey withdrew from a treaty to combat violence against women.

The question of the causes of species extinction confronts science with complex tasks. source https://www.sciencedaily.com/releases/2021/11/211122135449.htm

Since the discovery of quasicrystals (QCs), solids that mimic crystals in their long-range order but lack periodicity, scientists have sought physical properties related to their peculiar structure. Now, an international group of researchers report a long-range magnetic order in QCs with icosahedral symmetry that turn ferromagnetic below certain temperatures. This groundbreaking discovery opens doors to future research on these exotic materials. source https://www.sciencedaily.com/releases/2021/11/211122135444.htm

By integrating multiple sensory inputs, a loop of mutual inhibition among a small set of neurons allows worms to switch between long-lasting behavioral states. source https://www.sciencedaily.com/releases/2021/11/211122135418.htm

Researchers have developed an innovative technique to track microbes and understand the various ways they process soil carbon, findings that add to our knowledge of how bacteria contribute to the global carbon cycle. source https://www.sciencedaily.com/releases/2021/11/211122135344.htm

Thousands turn out to enjoy the annual parade with millions more watching on television.

The Lord of The Rings director has restored more than 50 hours of footage.

BBC correspondent Abdujalil Abdurasulov visits eastern Ukraine as soldiers contemplate Russia's military presence at the border nearby.

The white men pursued and shot dead Ahmaud Arbery in Georgia in what some called a modern-day lynching.

Ahmaud Arbery died in a 'modern-day lynching' - locals say the spectre of racism is always present.

New research that tested possible triggers of a common heart condition, including caffeine, sleep deprivation and sleeping on the left side, found that only alcohol use was consistently associated with more episodes of the heart arrhythmia. source https://www.sciencedaily.com/releases/2021/11/211124154126.htm