Understanding the role of great scientists and how their insights changed knowledge can be a difficult task, but three Brazilian scientific disseminators made it their…
Climate change will corner unique species in Brazil and around the world – 04/17/2021 – Reinaldo José Lopes
Anyone who follows the tragedy of climate change in (relative) slow motion knows that, as in the real-time tragedy of Covid-19, there is a perverse…
NASA is rescheduling the Mars helicopter flight for Monday morning (19) – Sidereal Messenger
NASA announced on Saturday (17) that it had successfully completed the blade rotation test of the Martian Ingenuity mini-helicopter and is currently reviewing the results.…
Musk’s SpaceX beats Bezos’ Blue Origin in the race for NASA’s next lunar mission – 04/17/2021 – Science
NASA has selected SpaceX to bring the first American astronauts to the moon since 1972, the American space agency announced on Friday. This is a…
Dinosaur Fossils Found While Building Toll Roads In São Paulo – 04/16/2021 – Science
Fossils of dinosaurs and other animals that lived at least 80 million years ago were found during the excavation of a toll road on the…
From lethargic encephalitis to Covid-19 – April 16, 2021 – Luciano Melo
In late 1916, Viennese neurologist Constantin von Economo found that several patients were suffering from a number of previously unusual symptoms: fever, excessive sleepiness, and…
The total population of Tyrannosaurus Rex reached 2.5 billion, according to study results
Imagine an almost endless crowd of 2.5 billion Tyrannosaurus Rex, the most feared predators of the age of the dinosaurs, and the bravest man’s legs…
Mars helicopter flight postponed and still has no new appointment – Messenger Sideral
NASA planned to fly the first Ingenuity mini helicopter on Mars on Sunday (11). But an anomaly during the high-performance test of the rotors –…
A heretic in physics – basic research
By Murilo Bomfim The Tsallis Controversy * * In the 16th century, Copernicus said that the earth revolved around the sun. In the following century,…
Where do negative numbers come from? – 13/04/2021 – Marcelo Viana
When I wrote about the solution of the cubic equation by the Italian Renaissance mathematicians Scipione del Ferro, Niccolò Tartaglia, and Gerolamo Cardano, I mentioned…
