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Biology

Retracted, a fake scientific study

Science is trial and error. Articles on science made by scientists are continually being sent to journals, with graphs and data to inform their postulates to study. A study may end with a series of conclusions that are not true. It is at that time, when the global community of scientists, they speak of serious […]

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Biology

What are hormones, their types and mechanisms

Hormones are substances produced and secreted in small amounts and that through the blood carries a signal to the remotely located target cell. There are some substances that exert their endocrine-type effect but are not performed through blood circulation. Actions Hormones perform different types of actions: Telecrino-feromonal, is a part of the organism that releases […]

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Biology

What is the PCR technique, history and use in covid-19

One of the words of 2021 is PCR. We’ve heard it a thousand times. In this article I will talk about what exactly this technique is and what it is used for.  First say that PCR comes from Polymerase  Chain  Reaction. By convention, scientists use the acronym for english words. In this way you have […]

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Biology

How the AstraZeneca vaccine was made

The world is evolving very rapidly and in the field of vaccines even more so this year 2020. Today there are several candidate vaccines to fight the sars-Covs-2 pandemic that has led to  Covid-19 disease. Vaccines under development include Moderna,  Oxford/AstraZeneca,Pfizer/BioNTech, Johnson & Johnson, Novavax and Sinovac. This week we talked about the Oxford vaccine […]

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Biology

The importance of vaccines in today’s world

There is no doubt that in an age as convulsive as today, when a pandemic has ravaged the speeches of all experts, the use of vaccination and vaccines is needed more than ever. I find it hard to believe how many people speak unstopperedly who are against vaccines. It’s very easy to be on your […]