The 5 things you should know this April 17: So Trump's plan to revive the economy  

Was the coronavirus created in a Chinese laboratory? The WHO prefers us to say "physical distancing". Trump announces three-phase plan to reopen the US economy This is what you should know to start the day. Truth first.

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Trump announces three-phase plan to reopen the US economy

United States President Donald Trump announced guidelines to reopen the country's economy in three phases. "We are not opening everything at once, but one careful step at a time," Trump said at the daily coronavirus briefing. The plan describes the "proposed state or regional selection criteria" for each phase. It includes when to reopen restaurants, bars, gyms, as well as public spaces. The guidelines also provide guidance to employers, as well as the gradual introduction of non-essential travel.

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The WHO prefers us to say "physical distance"

What we have all been doing by staying home, avoiding large gatherings, and keeping at least two meters away from others is called… Well, the World Health Organization and other health experts would prefer that we stop calling it “social distancing " Instead, they opt for the term "physical distance" and here we explain why.

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Was the coronavirus created in a Chinese laboratory?

U.S. national security and intelligence officials say the U.S. government is studying the possibility that the new coronavirus may have originated from a Chinese laboratory rather than a market, according to several sources familiar with the matter, who warn that it is premature to remove conclusions.

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California's plan for undocumented workers

California undocumented workers, who have been forced to stop working because of the pandemic, will be eligible for a financial aid plan thanks to a new public-private partnership announced by Governor Gavin Newsom.

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What are "pre-existing conditions"?

We've heard that older people and people with underlying health conditions are at higher risk if they are infected with the coronavirus, but it may seem like really general terms. Who does that include? And why can they face more serious illnesses?

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At coffee time

The largest hole ever recorded in the Arctic ozone layer 

The Arctic ozone layer developed a rip, which developed into a hole, and then a larger one. Now, it may be the largest hole ever seen in the North Pole ozone layer.

Starbucks plan to gradually reopen

Starbucks is adopting a "monitor and adapt" strategy to reopen some cafes in the United States, after closing in mid-March.

A star dancing around a black hole, proof that Einstein's theory is correct

For the first time, astronomers have observed a star orbiting the supermassive black hole at the center of our galaxy, the Milky Way. The star is dancing to the beat predicted by Albert Einstein's general theory of relativity.

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The number of the day

22 million 

A total of 22 million Americans have applied for unemployment financial aid in the past four weeks.

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The appointment of the day

"A blood donation has the potential to help up to four patients"

The Commissioner of the US Food and Drug Administration, Dr. Stephen Hahn, asks recovered covid-19 patients to donate blood plasma.

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And to finish…

This is what China knew about the new coronavirus: a timeline

China has repeatedly denied that it has withheld information about the coronavirus. But now, internal documents and possible investigations into the origin of the virus and the time it took the Chinese authorities to notify the public are putting pressure on the government of that country again.