How space travel tries to kill you and make you ugly

[ad_1] Of these 34 risks, three are potential obstacles: radiation, severity (or lack thereof), and the need for surgery or a complicated medical procedure. The gravity of the situation. Let’s explore the problem of gravity. Some science fiction writers in the mid-20th century speculated that zero gravity would be vital: …

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WHO warns that immunity to coronavirus is not proven

[ad_1] First modification: 04/25/2020 – 15:52Last modification: 04/25/2020 – 15:52 There is no evidence that people who test positive are immunized against the new coronavirus, the World Health Organization (WHO) warned Saturday, considering that so-called “immunity passports” may favor the spread of the virus. pandemic. “There is no evidence at …

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