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Why we are not immortal?

It would seem at first sight a silly question, even ull of pride, if taken from a strictly religious point of view, and the same mythology teaches us, narrating men or demigods who dared to challenge the immortals to steal them the gift of eternal life. But leaving aside the endless quotes on the subject [...]
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Why we do not understand the Universe

Too many times I felt fine scientists and eminent physicists say with regret that there are concepts that can not (or even can not) quite understand, as a singularity, blacks holes, the Big Bang, inflation, quantum and so on. I remember in particular a theoretical physicist who claimed that the word [...]
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The Great Dying

The mass extinction of the Permian-Triassic (P-T), said also the Permian extinction, known informally as the Great Dying, was a mass extinction that occurred about 251.4 million of years ago, acting as a boundary between the Permian and Triassic geological period, ie between the Primary Era (Paleozoic) [...]
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The demolition of the ocean conveyor belt

The famous Great Ocean Conveyor Belt, also known by many names, such as current southern overturning current (MOC - meridional overturning current) or as Thermohaline Circulation (CPT), the subject of countless TV documentaries and science lessons at school and university, it is not just as simple as [...]
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The Multiverse

or the none amazing coincidences of why we exist. There is no doubt that the innumerable stochastic coincidences why we exist are under our noses all along, as was the concept of natural selection and speciation, yet it was only in 1859 that an intelligent and conscientious man as Charles Darwin realized [...]
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The first forms of life: prokaryotes and stromatolites

  We have seen in previous articles as it can be started life on earth from primordial precursors. Now let's jump ahead, beyond the protobiontes, and we analyze those primitive organisms which, in effect, living beings can be considered in all respects, at least as we understand the [...]
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The origin of the Moon

Historically, several hypotheses have been proposed to explain the formation of the Moon that dates back to 4.5 billion years ago, roughly 50 million years after the formation of the solar system, such as the theory of fission, the capture theory and the growth theory, but none of these theories could [...]
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Happy Birthday, Pluto!

Today marks the anniversary of the discovery of Pluto, which took place February 18, 1930 by Clyde Tombaugh and initially classified as the ninth planet in the solar system. It has long been hypothesized the existence of a ninth planet responsible for some alleged perturbations in the orbit of Uranus [...]
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The hypothesis of the RNA world

The RNA world hypothesis is a theory that proposes the presence of life forms based solely on RNA (ribonucleic acid) before the formation of the current living organisms based primarily on DNA (deoxyribonucleic acid). According to this hypothesis, the RNA world it would evolve the current system also [...]
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The meaning of cosmological existence - part I

I'm not really convinced that there is (at least as we understand it) a real sense of existence, let alone of life, human or any other form of complex organic or not of this planet and in any other part of this universe . I thought long and hard about what I know of this universe, and only for this [...]
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