Chemical Poems – One On Each Element



Soft, silvery-white metal. Density: 1.55 g/cm³. The name derives

from the Latin calx, meaning limestone. It was discovered by

Humphry Davy in 1808. It reacts violently with water.

Since ancient times gypsum (calcium sulfate) and slaked lime

(calcium carbonate) were known. The Colosseum and a major part

of ancient Rome were built using calcium carbonate. In water, the

carbonate forms a milky-white mixture used for painting walls. It is

the main component of the shells of mussels and snails, which

become ground down by the water and contribute to the formation

of coasts.

The information carried by hormones, which the blood transports to

the cell membranes, is subsequently transported to the nucleus by

differently modulated calcium waves. The DNA in the nucleus then

executes the “commands” of the hormones . Whan a sperm

reaches the egg in human fertilization, calcium waves on the

surface of the egg spread out from the sperm, organizing the first

cell division.
Birds with calcium deficiency tear out their feathers. Biologically,

this is useful because the feathers contain calcium-filled vacuoles.

In atherosclerosis, calcium carbonate accumulates in the

arteries. In the bones, calcium is essential. There is an average of

two kilograms calcium phosphate in the skeleton of an adult.


Hasta la fecha, se han encontrado 118 elementos químicos. Profesor Mario Markus, Instituto Max Planck de Fisiología Molecular, Dortmund, Alemania, echa un vistazo a cada elemento y los presenta en forma de poema.

Todos los 118 poemas -, así como algunos poemas acerca de los elementos que sólo existen en las simulaciones teóricas – se publican en el:

Chemical Poems – One On Each Element,

Mario Markus,

Dos Madres Press 2013.

ISBN: 978-1-933675-98-5
Perfectbound, 308 pages, English, $3



Sant Jordi 2014 I



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