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Neanderthal thumbs are better suited for holding tools with handles

Credit: C0 Public Domain Neanderthal thumbs are better adapted to hold tools in the same way we hold a hammer, according to an article published in Scientific reports. The findings suggest that Neanderthals may have found precise grips – where objects are held between the fingertip and thumb – more challenging than grips when objects are held like a hammer, …

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Europe signs a $ 102 million contract to bring space debris home

BERLIN – The European Space Agency says it has signed a 86m-euro ($ 102m) contract with a Swiss start-up company to return a large piece of orbital debris back to Earth. The agency said Thursday that a deal with ClearSpace SA would lead to “the first active debris removal mission” in 2025, in which a specially designed spacecraft will catch …

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Scientists and students are pushing for action to keep the Arecibo radio telescope up and running

After the National Science Foundation (NSF) announced last Thursday the destruction and decommissioning of the iconic Arecibo radio telescope in Puerto Rico, scientists, experts and many Puerto Ricans have gone to digital platforms to call on the government to save the 57-year-old observatory. Many of them, including researchers and students, use #SaveTheAreciboObservatory and #WhatAreciboMeansToMe hashtags to share the observatory’s impact …

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Solar disks that could emit energy from space

The possibilities do not end there. While we are currently relying on materials from Earth to build power plants, scientists are also considering using space resources for production, such as those found on the moon. But one of the main challenges before us will be to return the power transmitted back to Earth. The plan is to convert electricity from …

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scientists are proposing a new way to arrange the elements

The periodic table of the elements, created mainly by the Russian chemist Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be difficult to overestimate its importance as an organizing principle in chemistry – all novice chemists get acquainted with it from the earliest stages of their education. Given the importance of the table, one can forgive the …

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Europe signs a $ 102 million contract to bring space debris home

Credit: Unsplash / CC0 Public Domain The European Space Agency says it has signed a 86m-euro ($ 102m) contract with a Swiss start-up company to return a large piece of orbital debris back to Earth. The agency said Thursday that a deal with ClearSpace SA would lead to “the first active debris removal mission” in 2025, in which a custom-made …

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