Coronaviruses, like other RNA viruses, can develop mutations in three different ways: by mistake from copying errors during viral replication, through interactions with other viruses infecting the same cell, or they can be induced by RNA modification systems which are part of host immunity, the researchers explained.
American-British scientist John O'Keefe and Norwegians May-Britt Moser and Edvard Moser won the 2014 Nobel prize in medicine for their discoveries of cells that constitute a positioning system in the brain.
Rahul Puri, Executive Director, Whistling Woods International will take questions on how you can pursue a career in the film industry on September 3, between 2 and 3 pm IST.
The news of his passing is sad and sudden but the body of work he leaves behind will neither fade nor be forgotten.
Some critics contend that Japan's rush to secure supplies is driven largely by a political desire to show the world it is fully committed to hosting the Games.
Cut off from the world and having to contend with an orthodox and repressive Taliban government, Afghans are facing the brunt of Pakistan's decades old policy of nurturing militant groups, note Harsh V Pant and Kriti M Shah four months after the Taliban took Kabul.
'The mohabbat Shah Rukh Khan gives out on screen is very important in today's times.'
Rishi Sunak on Monday is all set to make history on Diwali as Britain's first Indian-origin prime minister after being elected unopposed as the new leader of the governing Conservative Party, following Penny Mordaunt's withdrawal from the race.
'A slum free Mumbai cannot happen with Dharavi at the centre of the city.'
Bollywood stars celebrate Valentine's Day with loved-up pictures and messages.
'Rishi is brought up with Indian values -- Indian qualities like respect our parents, respect our uncles -- but he is more British.'
'It was more than ego.' 'It carried with it a sincere belief that he was the quintessence of the country, that the country's destiny was irrevocably intertwined with his destiny.' An excerpt from T J S George's The Dismantling of India: In 35 Portraits.
'The reason why people are underweight and short is because they have not got quality food during their growing years.'
'Sooner or later the right kind of guy will come along, who likes you for who you are, not based on the clothes you wear,' says Love Guru.
Although British Prime Minister Boris Johnson has delayed the full reopening of England's economy until July 19, a week after the final, people can still gather in bars and pubs. Jubilant fans were pictured packing bars, streets and even clambering on top of a London bus in the aftermath of England's extra-time 2-1 victory over Denmark, with fan-zones highlighted by some as a particular risk for transmission.
'People will say a lot of things -- ignore the noise.'
The dinner Jill Biden and her husband US President Joe Biden hosted for Indian prime minister Narendra Modi, June 22, at the White House brought together, Indians and Americans from so many firmaments.
More than the story of any other footballer or athlete, Pele's life helped democratise his sport; made it the stuff of a widely shared dream. Shyam G Menon salutes the memory of the greatest footballer ever.
The researchers found that after being exposed to high levels of the novel coronavirus, none of the six monkeys that were given the vaccine developed viral pneumonia. Also, there was no sign that the vaccine had made the animals more vulnerable.
'And because she was very close to Indira Gandhi, she was close to me.' 'Sonia is a wonderful person'
Lavender marriages, time travel and teens turning into furry red pandas, cheer and chaos collide on OTT this week.
'We were on tenterhooks arranging for the visa, last minute flight bookings, provisional loans and a Plan B.'
A 12-year-old Indian-origin girl in the United Kingdom has achieved the highest possible score of 162 on a Mensa IQ test, outwitting physicists Albert Einstein and Stephen Hawking.
The 52-year-old music conductor and composer who led the SCC to national fame after a reality TV show about a decade ago, died at the Reliance Hospital in Mumbai after a brief illness, they said.
Seeking to address international concerns, foreign ministry spokesman Zhao Lijian said China has been adjusting the zero-COVID policy based on the changing circumstances.
Senior leaders Mallikarjun Kharge and Shashi Tharoor, in the race for the post of Congress president, not only possess contrasting demeanour but have had an equally disparate political journey.
Sita Ramam is a subtle reminder that, in a world where you can be anything, the best thing you can be is kind
'Lee Kuan Yew told me he used to look to India, especially the writings of Nehru and Sardar Panikkar, for guidance on governance.' 'It's ironic that India should have so much to learn of the spirit of democracy from his son,' notes Sunanda K Datta-Ray.
If confirmed by the Senate, Garcetti, 50, would replace Kenneth Juster, who served as India's Ambassador to the US during the Trump administration.
Admitting that a vaccine or drug-based treatment is the only feasible long-term solution, he said the UK has accelerated this with promising vaccine development programmes and a collaboration between Oxford University and pharma major AstraZeneca was a vital step that could help rapidly advance the manufacture of a Covid-19 vaccine when it is ready.
He may try to keep it as natural as he can but there's no doubt that he's stolen a piece of everyone's heart, and some of these pictures are proof of that.
IT firms Infosys and Mphasis on Tuesday said they will create employment for about 2,000 people, while Wipro will invest pound 16 million (about Rs 163 crore) in the UK over the next few years. The announcements were made ahead of the virtual summit between UK Prime Minister Boris Johnson and his Indian counterpart Narendra Modi on Tuesday. Infosys said it plans to hire 1,000 workers in the UK over the next three years as part of efforts to support the country's economic recovery and growth.
With the former prime minister stepping aside on Sunday night saying it was "simply not the right time" for his comeback, the prospect of a Diwali victory for Sunak cannot be ruled out.
Amid questions over his future, many political observers believe he has enhanced his political stature.
Top seed Novak Djokovic set up a blockbuster Wimbledon final against Nick Kyrgios after recovering from a torrid start to overwhelm Britain's Cameron Norrie 2-6, 6-3, 6-2, 6-4 on Friday.
'Having dedicated my life towards improving breast healthcare in my motherland. I shall continue to work with rock-solid determination following this "chosen" path.'
Since the trial participants were not exposed to the coronavirus after vaccination, the scientists said it is not possible for the current study to determine the efficacy of the candidate vaccine.
The attack on Rushdie sent shock waves around the world, with world leaders and literary stalwarts saying they were appalled at the attack on the author who championed free speech and lived under the threat of assassination for nearly half his life.
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