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Two scientists share 2015 Nobel Prize in Physics

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Stockholm:  The 2015 Nobel Prize for physics has been awarded to two scientists, Japan’s Takaaki Kajita and Canada’s Arthur B. McDonald, the Royal Academy of Sciences in Stockholm announced on Tuesday.

According to an official statement issued by the academy, Takaaki, 56, and McDonald, 72, were awarded for their key contributions to the experiments which demonstrated that neutrinos change identities.

This metamorphosis requires that neutrinos have mass. The discovery has changed our understanding of the innermost workings of matter and can prove crucial to our view of the universe, the statement said.

Takaaki had presented the discovery that neutrinos from the atmosphere switch between two identities on their way to the Super-Kamiokande detector in Japan.

Meanwhile, the research group in Canada led by McDonald could demonstrate that the neutrinos from the Sun were not disappearing on their way to Earth. Instead they were captured with a different identity when arriving to the Sudbury Neutrino Observatory in Ontario, Canada.

The discovery rewarded with this year’s Nobel Prize in Physics have yielded crucial insights into the all but hidden world of neutrinos, the statement added.

(IANS)

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Canada Legalizes Recreational Cannabis

Canadian Prime Minister Justin Trudeau began the push to legalize marijuana across the country more than two years ago

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Marijuana, Canada
Different strains of marijuana are displayed for sale at the Warmland Centre, a medical marijuana dispensary in Mill Bay, British Columbia on Vancouver Island in Canada. VOA

A new era begins in Canada Wednesday when it becomes only the second country to legalize recreational marijuana.

Although medicinal pot has been legal since 2001, Canada will join Uruguay as the only nation where customers can buy it in retail shops.

Marijuana, Canada
An employee inspects the leaf of a cannabis plant at a medical marijuana plantation in northern Israel. (VOA)

The first cannabis store opens at midnight Wednesday in Newfoundland, the country’s easternmost province.

Each of the 13 provinces will set its own rules for selling marijuana. Some will allow private shops while others will only sell it through government-run stores. But mail order sales will be permitted across all of Canada.

Only licensed growers can sell marijuana on the retail market.

Marijuana, Canada
In this July 12, 2018 file photo, a newly-transplanted cannabis cuttings grow in pots at a medical marijuana cultivation facility in Massachusetts. (VOA)

The federal minimum age for using marijuana is 18, but most provinces have set it at 19.

Also Read: New Marijuana Study Poses Question About Mind-Altering Breast Milk

Canadian Prime Minister Justin Trudeau began the push to legalize marijuana across the country more than two years ago, in part, to shut down the black market and prevent underage use. (VOA)

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