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12 resultados carregados na pagina 9 para "researchers"
Scientists detect a sharp acceleration in global warming
Scientists detect a sharp acceleration in global warming
Global warming appears to have shifted into a faster gear. After removing the effects of El Niño, volcanic eruptions, and solar cycles, researchers found that the planet has warmed at roughly 0.35°C per decade over the past ten years, compared with just under 0.2°C per decade fro
A 21-hour dip could help explain Tabby's star's decade-long dimming mystery
A 21-hour dip could help explain Tabby's star's decade-long dimming mystery
Since 2016, an ordinary-looking F-type star called KIC 8462852, nicknamed Tabby's star, has behaved anything but ordinarily. In a new study published in the Monthly Notices of the Royal Astronomical Society on July 6, researchers revisited this star to find out what is really cau
Children using social media at younger age appear to do worse in school tests
Children using social media at younger age appear to do worse in school tests
Pupils who open accounts aged 11 to 12 score lower in some subjects than those who wait a few years, study findsChildren who open social media accounts at the start of secondary school appear to perform worse in tests than those who delay, with researchers suspecting that the con
Study lays groundwork for classifying lunar soil
Study lays groundwork for classifying lunar soil
As we move closer to supporting a sustainable human presence on the moon, researchers are investigating how its soils can provide valuable resources and even grow food. An article in the Soil Science Society of America Journal proposes a classification framework to help scientist
Foto: Malcoln Oliveira / Pexels
Metal deposits reveal how ice ages reshaped oxygen levels across Earth's oceans
Earth's oceans repeatedly lost oxygen and produced metal deposits during the planet's deepest ice ages. An international team of researchers analyzed manganese and other chemical signatures preserved in more than 27,000 ancient seafloor samples collected from six continents.
What makes us happy?
What makes us happy?
Maybe to some degree. But a new international study suggests the communities we live in matter a whole lot, too. Researchers analyzed responses from 97,220 people across 66 countries and identified five broad factors associated with happier societies.
Scientists just 3D printed one of the hardest metals on Earth
Scientists just 3D printed one of the hardest metals on Earth
A new 3D printing technique can produce exceptionally hard tungsten carbide cobalt while using less of its expensive raw materials. By softening rather than fully melting the material, researchers created defect-free samples with industrial-grade hardness and opened the door to m
Molecular orbitals imaged in 3D, opening path to femtosecond videos
Molecular orbitals imaged in 3D, opening path to femtosecond videos
One of the most famous and intriguing results of quantum mechanics is the finding that fundamental particles, such as electrons, cannot be pinned down to one single location. Instead, a particle is described by its "wavefunction," which allows researchers to derive probability di
Seaweed-derived coating keeps strawberries fresher than a fridge
Seaweed-derived coating keeps strawberries fresher than a fridge
University of British Columbia researchers have developed an edible, seaweed-derived coating that can keep strawberries fresh for at least four days at room temperature, outperforming uncoated berries stored in the refrigerator.
Foto: Tom Fisk / Pexels
Electrocatalytic method could purify wastewater by converting pollutants into recoverable
Wastewater treatment is a critical issue for global environmental protection and public health. Researchers from The Hong Kong University of Science and Technology (HKUST) have recently achieved a major breakthrough with the discovery of a novel oxidant-free electrocatalytic mech
Sitting up straight may improve your mood and decision-making
Sitting up straight may improve your mood and decision-making
A simple change in posture may subtly affect how people feel and make decisions. Participants who sat upright reported greater feelings of pride and took more successful risks in a virtual balloon game than those who hunched over. Most did not realize researchers had influenced t
A new take on interpreting chemical bond analysis in solids
A new take on interpreting chemical bond analysis in solids
Researchers from Skoltech, SberUniversity, the M.N. Mikheev Institute of Metal Physics of UB RAS and Ural Federal University have published a review of a novel approach to interpreting chemical bonding in solids. The method not only describes crystals in terms of precise calculat