To salute Nicolas Steno, Google has dug a particularly beautiful "Doodle".
Where the page is usually the company logo sits six letters "Google" are bright layers of rocks that mark not only time, but especially three hundred and seventy fourth anniversary of Steno it.
Danish scientist - who was born "Niels Stensen" January 11, 1638 - many consider the father of geology.
Significantly, today's green horse logo is displayed in the form of rock strata with embedded fossils - reflecting the twin ideas for which Steno is best known.
Layers illustrate the "principle of the original horizonality," Wall, which essentially says that rock layers form a flat - and just look different, if later violations reason for the deviation. And the fossils in the lower stratified rock to help illustrate the "law of superposition," The Wall, which - simply put - he says that the oldest rock layers are deposited sequentially on the bottom, if not otherwise disturbed.
For these studies, Steno also became known as the father of stratigraphy.
As a young man, Steno laid to study medicine, leaving his native Copenhagen in his early 20s for the University of Leiden in the Netherlands. He studied anatomy in Italy, where his research on shark teeth led him to question, among others, as one solid object can be found in another - for example, with fossils. His ideas of "solids in the organs" was published in 1669 in his seminal thesis Prodromus.
The wall, however, will soon leave science behind. Born in a family of Lutheran, he converted to Catholicism and was ordained a priest in 1675 and became titular bishop two years later.
Steno died in 1686 at the age of 48, in Schwerin, Germany.
At the end of 1980, Pope John Paul II beatified Steno - the first step toward canonization.
And today, Google visually beatifies Steno in plain view, as he can.
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