Shutterstock/Elovich The sea is full of microorganisms. Smaller than one millimetre and often composed of a single cell, they come in every shape and size imaginable, from bacteria and microalgae to protozoa. But there are also viruses – incomplete entities that need a host to…

Shutterstock/Elovich The sea is full of microorganisms. Smaller than one millimetre and often composed of a single cell, they come in every shape and size imaginable, from bacteria and microalgae to protozoa. But there are also viruses – incomplete entities that need a host to…

Shutterstock / 24K-Production La esclerosis múltiple es la enfermedad neurológica más frecuente en adultos jóvenes, debida a la muerte de unas células llamadas oligodendrocitos. Estas forman las vainas de mielina alrededor de los axones de las neuronas del sistema nervioso central. Su misión es asegurar…