– (Legia Duque/) QUESTION Raine Castro, Boa Vista, PR The sundial, humanity’s first timekeeping technology, appeared around 2000 BC and was calibrated at sunrise and sunset. It worked like this: a obelisk, the position of the first shadow of the…
It’s the technique of keeping corpses frozen for years on end to resurrect them one day. Today, this already works with embryos: fertilized eggs can remain in the “refrigerator” with good chances of surviving thawing – it is estimated that…
What it was: Jesus’ motherWhere did you live: PalestineWhen he was born and died: around 18 BC – around 40 Israelite teenage girls of the early Christian era married very young. Mary would have been around 12 years old when…
1) Neville wasn’t to blame for doing poorly at Hogwarts In the first 5 books, Neville is portrayed as a clumsy wizard, who can’t do spells right and is always getting confused. In The Order of the Phoenix, we receive…
(/) Because the chemical composition, temperature and speed of the two are different. Over a course of about 6 km, the Negro and Solimões rivers run side by side without mixing before becoming one – the great Amazon River. According…
The name of these mythical creatures comes from the Greek term “drákon”, which would be a kind of giant serpent. But the legendary beast changed its face over time and gained powers and attributes according to the beliefs of each…
The adjective “heavy” is literal, a result of these materials being denser – that is, their atoms are closer to each other. To give you an idea, 1 cubic centimeter of a metal considered light, such as magnesium, weighs 1.7…
It all started on the outskirts of Versailles, near the French capital, Paris, in 1865, during a dinner at the home of historian and journalist Edouard de Laboulaye. Officially, the monument was designed to honor the United States on the…
Millions of animals live in this region, in the extreme south of the planet, and they don’t care about the freezing cold — it’s less than minus 80ºC in winter! The explanation for such a rich fauna, even in these…
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