What Are Solar Cells? Everything You Wanted To Know

When you think of renewable energy, what comes to mind? Water? Wind? Indeed, these two examples have proven the most popular in recent years. In fact, as it stands now, hydropower is the cheapest renewable energy in use today. Wind…


St. Lucy’s night: a night of shooting stars

In Italy, St. Lucy’s night  is known traditionally as “the shortest night of the year”, but due to the passage of the Geminid meteor shower, it will also become the “brightest night of the year”. In fact, the night between…


Twinkle twinkle little star

The Christmas comet 46P/Wirtanen is crossing the sky. 46P is one of the large family of young comets: these are short-period celestial bodies affected by Jupiter’s gravitational force and for this reason their orbit passes by us frequently. 46P appears…


Under the sign of the Bear

Thirty thousand years ago, on the walls of the Chauvet-Pont d'Arc cave in Southern France, primitive artists painted woolly mammoths, rhinoceroses, lions, horses and bears. Extinct animals that still “live” on the rock and amaze us with the modern style…


Lucy in the sky with diamonds and butterflies

A butterfly flapping its wings in Brazil can produce a tornado in Texas. The author of this poetic image was Edward Lorenz, a meteorologist who in 1972 explained how small changes in a system as complex as the atmosphere can…


Crispr-Cas9, the gene factory

DNA is like an alphabet with only four letters (G, T, A, C) written one after another. A, C, G, T are the initials of the four molecules that encode life: adenine, cytosine, guanine and thymine. Four letters that, combined…


World Food Day 2018

The United Nations food and agriculture organisation (FAO) celebrates the  il World Food Day each year on 16 October, with the aim of raising public awareness of the topics of hunger and malnutrition. The ambitious goal is to succeed in…


The forms of water

Drinking a glass of water is the most simplest act in the world. Or rather, in this world. Very special and very rare conditions must occur in order for water to be liquid: our planet is a marvellous exception. Water…


Citizen science, research conducted by ordinary citizens

When we think of scientists, we often imagine people wearing white coats, shut up in a laboratory working with test tubes and sensitive instruments or engaged in complex equations, dealing with matters that are  unintelligible to ordinary folk. However, this…

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