Aurora borealis aka Northern Lights may be visible this Halloween

Aurora borealis is an extremely beautiful natural phenomenon that occurs in the Earth’s atmosphere. This event, sometimes called a polar light or northern lights mainly happens during the winter season when there are strong sunspots on the surface of the Sun. The charged particles from these sun spots interact with molecules in the earth’s upper … Read more

What does the term algorithm mean?

José Morgado, my algebra professor at the University of Porto, explained the difference between chemistry and mathematics as follows: “Chemists give simple things complex names, we give complex things simple names”. Joking aside, math is less technical than chemistry (or biology), but the way they’re created is a lot more interesting. Continue reading (08/31/2021 – … Read more

Sun-like stars devour planets in their orbits, study shows 08/31/2021 – science

In planetary systems that are formed by sun-like stars, but which have severe dynamic processes that lead to reconfigurations in their architecture, some planets may have been “engulfed” by the host star. An international team of astronomers – led by Lorenzo Spina from the Istituto Nazionale di Astrofisica (INAF), Padua, Italy, and with Jorge Meléndez … Read more

A pain called a phantom – basic science

By Renata Fontanetto Why do some people feel members who no longer exist? * “Feet, what do I want them for when I have wings to fly.” The sentence follows a drawing by Frida Kahlo made days before the amputation of her right leg. During the Paralympic Games, the impressive achievements of athletes who have … Read more

Astronauts find new cracks in the module of the International Space Station – 08/30/2021 – Science

Russian astronauts have discovered new cracks in a segment of the International Space Station (ISS) that could expand, a space official said Monday, the latest in a series of setbacks. “Surface cracks were found in some places on the Zarya module,” said Vladimir Solovyov, chief engineer of the Russian aerospace company Energia, told the RIA. … Read more

What Buffon and Yanomami Bolsonaro can teach about natural beauty – 08/28/2021 – Marcelo Leite

Two extraordinary books on nature, very different and yet related, fall into the hands of the Brazilians. Almost three centuries separate the educational projects from which they emerged, but their encounter in this dark year of 2021 emits a spark that should be kindled. The first is “Natural History” by Georges-Louis Leclerc, Count of Buffon … Read more

Four-legged whale ancestors discovered in Egypt

Scientists in Egypt have identified an unknown four-legged whale species that lived 43 million years ago. The fossil of the amphibian Phiomicetus anubis was originally discovered in the western desert of Egypt. Its skull resembles that of Anubis, the ancient Egyptian god with the head of a jackal – god of the dead, as he … Read more

Research Shows Possible Genetic Link Between Homosexuality and Success in Human Reproduction

Genetic variants that make someone more likely to have sex with people of the same sex also exist in heterosexuals who are more likely to find partners, a new study shows. If the research is correct, a paradoxical relationship between homosexuality and human reproduction will be demonstrated. According to the analysis, homosexual behaviors would continue … Read more

Covid-19 made people realize global problems for the first time, says Jared Diamond – 8/26/2021 – Frontiers of Thought

Covid-19 can help us make global decisions to solve mankind’s greatest problems, said Jared Diamond, biologist and professor at UCLA (University of California, Los Angeles) at the opening conference of the Thought Frontiers cycle. For him, the coronavirus pandemic is not one of the three greatest challenges facing humanity, namely climate change, social inequality and … Read more