English·UniversityPost

5 biological experiments to do at home

1. Homemade extraction of your own DNA Ingredients: transparent glass, salt, liquid soap, grapefruit juice, and alcohol (e.g. disinfectant, rum, vodka, etc.). The first step consists of spitting on the glass and adding a pinch of salt to it. Then, add some liquid soap (like the one you use for washing the dishes), juice from… Sigue leyendo 5 biological experiments to do at home

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Chemistry·English

Can you get ice colder than 0 celsius degrees?

The answer is YES! If you take water and freeze it in the freezer, it will turn into ice and have a temperature around 0C. But if you then add acetone, the temperature can go DOWN to -15C. Why does the acetone make ice colder? This is because it is an endothermic reaction, so instead… Sigue leyendo Can you get ice colder than 0 celsius degrees?

Bacteria/s·Culture medium·English·Fungi

Why not cultivate the bacteria and fungi that are growing on your mobile?

Why not cultivate the bacteria and fungi that are growing on your mobile? On a previous post I described how you can cultivate the bacteria that grow on your hand, in order to obtain your "own  bacterial print". Recently I just saw this article about finding out which bacteria are normally present on on the… Sigue leyendo Why not cultivate the bacteria and fungi that are growing on your mobile?

Culture medium·English

How to prepare a homemade culture medium:

Bacteria are the most used organisms for studying the proteome and the genome. Once, understood on this organisms ( since they are easy to grow up, relatively cheap and they multiply rapidly), thanks to informatics tools it is possible to encounter the human homologous ( since the human genome has been already sequenced). The most… Sigue leyendo How to prepare a homemade culture medium: