Senegalese MPs move to clip presidential powers as tensions mount
The proposed changes agreed by a majority of MPs sparked protests outside parliament. O recorte ajuda a contextualizar a pauta dentro de Viagem.
Notícias
Acompanhe as Notícias da Recifes
Fique por dentro das últimas novidades sobre tecnologia, negócios e empreendedorismo.
Labor’s draft policy platform waters down rather than scraps its longheld opposition to ma
Updated document also commits party to cracking down on inducements for online gambling, putting pressure on Albanese government to toughen reformsFollow our Australia news live blog for latest updatesGet our breaking news email, free app or daily news podcastLabor will water dow
Could we actually terraform Mars? Scientists are trying to find out
Scientists have drawn up a research blueprint for assessing the viability of warming the Red Planet, outlining what it might take to make Mars a place in space where Earth life can thrive.
OpenAI proposed donating 5% of its equity to a US sovereign wealth fund
OpenAI CEO Sam Altman has reportedly proposed giving 5% of the company’s equity to a U.S. sovereign wealth fund, reviving discussions about letting the public share in the financial gains from the AI boom.
‘Termination shock’: trust our expert warnings on geoengineering’s planetary risks | Raymo
Do we really want to play dice with our planet?A series in the Guardian recently declared “it’s time to talk about geoengineering.” So let’s talk about it. And let us start with some simple truths about this cluster of techno-optimistic “quick fixes” which purport to somehow offs
A tiny diamond defect could reveal a mysterious new kind of magnetism
A newly proposed quantum sensing technique could make it much easier to identify one of physics’ newest and most intriguing classes of magnets: altermagnets. These unusual materials, discovered only a few years ago, appear to combine the speed and efficiency of antiferromagnets w
A single origin story for the Milky Way's most mysterious stars
Lurking at the heart of the Milky Way, Sagittarius A* (Sgr A*) is a supermassive black hole four million times the mass of the sun, surrounded by a puzzling collection of young, massive stars whose orbits have long defied explanation. Astronomers have proposed various competing t
Coastal and estuarine carbon removal technique may backfire when pushed too far
Scientists investigating a proposed way to remove carbon dioxide from the atmosphere using seawater have found that adding too much alkalinity to neutralize acids can trigger chemical reactions that undermine the process.
Citizen science could grow beyond data collection under 10 proposed recommendations
Citizen science is booming and could play a much greater role in tackling climate change, reef health, biodiversity and public health challenges by involving members of the public throughout the research process, according to a new study.
University team proposed retractable, pressurized tunnels for missions to Mars
NASA and China's national space agency plan to send crewed missions to Mars in the coming decades. Per NASA's Moon to Mars mission architecture, this will involve using infrastructure established through the Artemis Program to send crews to the red planet sometime in the 2030s or
Synthetic rotation brings black hole energy theory into lab, amplifying waves
More than half a century ago, Sir Roger Penrose envisioned a scenario in which energy could be extracted from a black hole spinning at extreme speeds. He proposed that a particle entering its ergosphere—a region of space dragged around by a rotating black hole—could split into tw
Tecnologia
Midnight social media curfew proposed for older UK teens
Teens will be able to opt out of the restrictions - campaigners have criticised them as being piecemeal.