A study published in the journal “Environmental Research Letters” by researchers at the University of Copenhagen (UNPH) has revealed an innovative technique to remove low-concentration methane from the air using light and chlorine. The method represents a significant step towards removing greenhouse gases from sources such as livestock farming, biogas production and wastewater treatment plants. […]
Category: Opinion
The jet of plasma ejected from a record solar flare hits Earth
As reported by , the same sunspot triggered three consecutive eruptions, one of which was the most powerful ever recorded in the past six years. As expected, the jet of plasma ejected from this record-breaking event reached Earth, but much more gently than expected. Last Wednesday (13th), the sunspot AR3514 underwent an M-class eruption, an […]
Irreversible: The melting of West Antarctica reaches the point of no return
What many scientists feared has become reality. A study published in the journal Natural climate changes points out that the Pine Island Glacier, located in West Antarctica, has reached the so-called point of no return due to global warming. This means that even if the rise in temperatures were reversed, the glacier would not return […]
An ancient jewel reveals the secrets of an important biblical event
Recent archaeological discoveries provide more details on an important historical episode: the fall of Jerusalem and the destruction of King Solomon’s temple, one of the most significant events in the Old Testament of the Bible. During the excavations on Mount Zion, ash from the fires that burned much of the city, arrows from the invaders […]
USP’s initiative could unlock mysteries about cosmic rays
USP researchers have mathematically confirmed a mechanism capable of recreating the most energetic cosmic rays known to astronomers. The initiative may help scientists unravel a number of mysteries about these microobjects, in particular the origin of the extreme energies behind their accelerations, which can reach speeds close to that of light (one billion kilometers per […]
Who built the world’s first settlements? The discovery challenges current theory
Thousands of years before the ancient peoples of central Eurasia began growing food, groups of hunter-gatherers in the subarctic built the world’s first permanent fortified settlements. The conclusion is part of a study published in the journal Antiquity and challenges the idea that agriculture was a prerequisite for societies to “settle.” According to an international […]
A meteor turns night into day in the central region of Bahia
Residents of the Chapada Diamantina region, in central Bahia, were surprised by a strong flash in the sky on Sunday night (17). According to the Paraibana Astronomy Association (APA), this was caused by a meteor. According to the president of the organization, the astronomer Marcelo Zurita, columnist ofthe meteor, which was a bolide type, would […]
Christmas presents will arrive late on the Moon; discover the list
United Launch Alliance’s Vulcan Centaur rocket will make its maiden flight on December 24, Christmas Eve, carrying the Peregrine Lunar Lander, which will fly to the Moon, but the spacecraft will carry some NASA scientific instruments there, along with gifts from seven others nations, its zoo has been postponed to 2024 and Lunar Christmas will […]
Who calculated the circumference of the Earth?
To the sadness of many, fortunately the Earth is not flat. Our beloved planet rotates in space at an average speed of 1,666 km/h. However, the news that our planet is round is not new, since the first measurement of the Earth’s circumference occurred more than two thousand years ago in Greece. And, as incredible […]
USP launches an interactive e-book on sustainability
An interactive e-book that addresses sustainability issues was developed by USP, in collaboration with the Sustainability Laboratory (Lassu) of the Polytechnic School (Poli). The book, consisting of seven chapters, covers topics such as the use of plastic and electronics, food, housing and society. The work was coordinated by Professor Teresa Cristina Carvalho, of the USP […]