Industry in São Paulo, 30% of the national industry, has a heavy weight in economic recovery, in the resumption of investment and jobs, and in…
With DNA editing, Brazilians are making headway in transplanting pig organs to humans – 03/31/2021 – Science
Using DNA editing techniques, Brazilian researchers have taken important steps to enable the transplantation of pig organs to humans. They were able to remove bits…
Why should a country without volcanoes have to worry? – basic research
By Adriana Alves Not all are as harmless as what breaks out in Iceland * * In the last few weeks the news has given…
Duels of the Cubic Equation in the Renaissance – 03/30/2021 – Marcelo Viana
In the early 16th century, the Italian Scipione del Ferro (1465–1526) discovered a way to find solutions to any particular cubic equation x³ + mx…
SpaceX’s prototype spacecraft explodes in midair before landing – Messenger Sideral
Now the press can point out the test flight of a prototype of the SpaceX spacecraft as an explosive flaw. After a take-off with very…
The re-analysis of the 1978 probe data confirms phosphine in the clouds of Venus – Sidereal Messenger
The story of phosphine on Venus wins another exciting chapter. A quartet of scientists in the United States have reanalyzed data from an old American…
The power of natural beauty is controlled by women – 03/27/2021 – Marcelo Leite
Following the advice of colleague Antonio Prata, this column does not deal with terrible things like the coronavirus and genocide, which cannot be said, but…
Octopuses, like humans, have different stages of sleep and even seem to dream
The world’s most intelligent invertebrates, whose repertoire of complex behaviors includes cheating, the use of tools, and the ability to play, may already have added…
A war under our feet – basic research
From Pedro Lira Plants fight quietly underground for water and minerals * * How can one study the part of the vegetation that is hidden…
Cubic Equation: From Babylon to the Renaissance – 3/24/2021 – Marcelo Viana
Clay documents excavated in Mesopotamia show that the solution of the quadratic equation ax2 + bx + c = 0 as early as 2000 BC.…