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Indian Express Explained 17th – 18th March 2020

1)Explained: Why Spain’s king has renounced inheritance from father

Spain’s King Felipe VI renounced inheritance from his father, the emeritus King Juan Carlos-I, amid allegations of financial impropriety involving Swiss bank accounts and donations from Saudi Arabia.

Why has Spain’s king renounced his inheritance?

Felipe VI decided to distance himself from his father after recent news reports said that when Juan Carlos I was king, he allegedly received $100 million from Saudi Arabia in 2007.

2)Explained: Why is DoT asking for call data records by the bulk?

What is the issue:- Operators have red-flagged the fact that local circle units of the Department of Telecommunications (DoT) have been asking for call data records (CDRs) by the bulk.

Stakeholders have claimed that the government seeking such details on specific dates for certain pockets in the country without mentioning the reason is highly unusual.

Do they have permission to ask for call data records/ why is it unusual now :- 

Yes they have permission. The Licensing Condition No.39.20 of the Licence Agreement for Unified License stipulates that all the operators have to preserve CDRs at least for one year “for scrutiny by the licenser for security reasons”. The licenser, in this case, is the DoT.

However, over the past few months, certain patterns started to emerge where the DoT was asking for these details on a regular basis by the bulk without providing the purpose for which it is required.

3)Explained: How ocean in Fukushima became a dumping ground for radioactive Waste:-

What’s the issue :- The nuclear disaster at Fukushima sent an unprecedented amount of radiation into the Pacific. But, before then, atomic bomb tests and radioactive waste were contaminating the sea — the effects are still being felt today.

Data:- Almost 1.2 million liters (320,000 gallons) of radioactive water from the Fukushima nuclear power plant is to be released into the ocean.

Problem ??:- The contaminated water has since been used to cool the destroyed reactor blocks to prevent further nuclear meltdowns. It is currently being stored in large tanks, but those are expected to be full by 2022.

Radiation levels in the sea off Fukushima were millions of times higher than the government’s limit of 100 becquerels.

What is Becquerel :- The becquerel is the SI derived unit of radioactivity.

One becquerel is defined as the activity of a quantity of radioactive material in which one nucleus decays per second.

4)Herd immunity: Why Britain wants 60% of its population to get COVID-19

Explained: What is herd immunity?

Herd immunity is when a large number of people are vaccinated against a disease, lowering the chances of others being infected by it.

When a sufficient percentage of a population is vaccinated, it slows the spread of disease. It is also referred to as community immunity or herd protection.

WHO explains Herd protection of the unvaccinated occurs when a sufficient proportion of the group is immune.

What Britain Wants :- So, what happens in the case of coronavirus where there is no vaccine?

The approach would require those exposed to the virus to build natural immunity and stop the human-to-human transmission. This will, it is believed, subsequently halt its spread.

Britain has faced criticism for its soft approach to the coronavirus. The scientific advisor’s statement, too, led to a barrage of criticism from medical professionals and the public.

The approach should have been to save lives not let the virus spread and contain on its own.

Why Herd Immunity doesn’t work in Corona :- WHO said COVID-19 was “a new virus to which no one has immunity”. “That means more people are susceptible to infection, and some will suffer severe disease,

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