The origin of life

For life to develop, it needs amino acids, sugars, bases and fats. In addition, RNA, an acid and a kind of chemical Morse code - this is how chains with building blocks are created. But it is only a protective lipid shell that turns the chains into a cell. Author: ZDF/Terrax/R. Schlosshan/F. Hädecke/C. Ruby/F. Wienke/Group 5/Jochen Schmidt Translation and dubbing: alugha Click here to watch more videos:

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The four voltage levels in the power grid

Our power grid has four different voltage levels. The higher the voltage, the lower the energy loss during distribution. From the maximum voltage of 380 kilovolts (kV) to the low voltage of 230 volts for the end consumer in private homes. Author: ZDF/3sat/nano/Marco Polo Film AG/Dietmar Klumpp/Holg

Why are insects important?

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SNiPs and their effect on body weight

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