Current affairs 23 may 2021 (The Hindu)

  • Veteran music director Raamlaxman, best known for his work on Rajshri Productions’ blockbuster movies — Maine Pyar Kiya, Hum Aapke Hain Koun..! and Hum Saath Saath                                         Hain — died due to a cardiac arrest. He was 78.                                                                                               




Narasimhan, math scientist, is no more


Mudumbai Seshachulu Narasimhan, a towering figure in Indian science, passed away on May 15 in Bengaluru he would have turned 89 on June 7. 
He was a world­ renowned mathematician of extraordinary breadth and depth, who made fundamental contributions to diverse fields in mathematics such as algebraic geometry, differential geometry, representation theory and partial differential equations.


China’s ‘father of hybrid rice’ is dead 


Yuan Longping, a Chinese agricultural scientist whose breakthroughs in hybrid rice brought food security to China and transformed agriculture worldwide, died on Saturday aged 91.
 Mr. Yuan, who is celebrated in China as the “father of hybrid rice” for his contributions to agriculture and beloved for his simple demeanour that endured despite the many honours that came his way, was still conducting research at the Sanya Hybrid Rice Research Base until he suffered a fall in March this year.
 In 2004, he was honoured with the World Food Prize “for his breakthrough achievement in developing the genetic materials and technologies essential for breeding high­yielding hybrid rice varieties”. 
His “new hybrid rice technology not only benefited China, but was also enthusiastically adopted in other countries,” read the citation from the World Food Prize Foundation, noting that “he and his research associates travelled to India, Vietnam, Myanmar, Bangladesh, SriLanka and the United States to provide advice and consultation to rice research personnel” and trained over 3,000 scientists from more than 50 countries


  • First­ time investors seen aiding stock market surge In FY21. more than 14 million new demat accounts were opened, almost thrice the previous year’s 4.9 million accounts

  • Hockey India on Friday won the prestigious Etienne Glichitch Award in recognition of its contribution to the growth and development of the sport in the country


WADA to use DBS technique


The World Anti­ Doping Agency (WADA), on Friday, approved an innovative method of screening dried blood for banned substances which will be trialled for the Tokyo Olympics.
 The decision marks a “very important step” in the fight against doping, its scientific director Olivier Rabin said, as the Dried Blood Spot (DBS) testing technique will ultimately strengthen WADA’s capacity to track down cheaters. To start with, it will be less intrusive for the athletes. 
Some samples are taken from the  fingertip, from the earlobe, from the shoulder, from the thigh... the other advantage of DBS is that from the moment you put it on a piece of paper, the liquid will dry and it stabilises the matrix... you have to put that in parallel with the increasingly elaborate doping strategies of certain athletes, who know very well how to use substances which stay a relatively short time in the body.





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