Biology
Scientists use stem cells to create models of pre-embryos
Scientists are using human stem cells to create a structure that mimics a pre-embryo and can serve as a research alternative to a real one.
They say these "blastoids" provide an efficient, ethical way to study human development and pursue biomedical discoveries in fertility and contraception.
Switzerland has introduced a Mandatory PCR Test Requirement upon Entry
As of today, December 4, 2021, upon arrival on the territory of the Swiss Confederation, citizens must submit a PCR test done before 72 hours before entering the country, the Ministry of Foreign Affairs announced.
Bulgarian Tour Operators are Reporting Increased Interest in Charter Programs for the Holidays
Increased interest in charter programs for Christmas and New Year, according to tour operators. However, tourists are sensitive to all restrictive measures and many of the registrations are at the last minute.
First Omicron mutation detected in Greece
The man has been isolated
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London Introduces Mandatory PCR test for Vaccinated Bulgarians
As of November 30, 2021, the United Kingdom is introducing additional measures due to the appearance of the new Omicron variant of the coronavirus. According to the Bulgarian embassy in London, from 4 a.m.
President furious with Europe re: omicron; "Virus had not originated in our country"
Just to recall, South Africa reported to the WHO that a new strain of coronavirus has been identified, which experts assumed could be the worst so far. An emergency session of the WHO was convened, which finally announced today the predictions about the consequences that this strain could have on the previous pandemic.
Bulgarian Prof. Argirova: Omicron Spreads about 3 Times Faster
The new strain of COVID-19 - Omicron, spreads about 3 times faster than the previous ones. This is shown by the latest data received from South Africa tonight, said in the program "Wake up" Prof. Radka Argirova, a member of the expert council of the Minister of Health. According to her, mostly young people and unvaccinated people are affected.
Leonardo da Vinci: Scientists have identified 14 of his living descendants
The discovery comes after years of research in historical documents with the goal of sequencing his genome for a better understanding of his genius
Emergency WHO Meeting over New Coronavirus Variant found in South Africa
The World Health Organization is convening extraordinary meetings today in connection with the newly discovered variant of the coronavirus in South Africa and Botswana, which was announced yesterday. It has about 32 mutations and scientists warn that this makes it very dangerous. It has been found that the variant is spread mostly among young people.
Sleep evolved before brains – Hydras are living proof
A fact that deepens the mystery of why sleep evolved in the first place