[ad_1] The white-breasted nuthatch has good low-light vision and has anticipated nesting times in response to light exposure, according to a new study in the journal Nature. Image credit: Dave Keeling Are you looking for a bird’s-eye view of human impact? A new study in the journal Nature provides the …
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[ad_1] Renowned QS Quacquarelli Symonds has released its Latin America University Rankings 2021, an annual publication listing the 410 best universities in the region. On this occasion, two Colombian institutions remain in the higher 10, while a total of 60 managed to appear on the list. On this occasion, the …
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[ad_1] Atomic force microscope. The copper probe can manipulate matter on an atomic scale. © 2020 Shiotari et al. Nanographene is a material that is expected to radically improve solar cells, fuel cells, LEDs, and more. Typically the synthesis of this material has been imprecise and difficult to control. For …
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[ad_1] Scientists at Tohoku University have found that human editing enzymes are likely behind a type of mutation in the COVID-19 virus that stimulates the release of pro-inflammatory molecules called cytokines by the body’s immune cells. The discovery, published in Scientific Reports, is important for understanding how the virus is …
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[ad_1] Over 1,000 kilograms of so-called interplanetary dust are thought to fall on Earth every day. This dust is essentially an untold number of small faint meteors, discarded remnants of asteroids and comets that pass close to Earth. Two ways to study faint meteors are radar and optical observations, each …
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[ad_1] The discovery of a 2-million-year-old skull in a South African cave is changing what we think we know about one of humanity’s primitive ancestors, scientists report in a new study. But the fossil specimen recently unearthed from the extinct human species Paranthropus robustus it is also offering researchers a …
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[ad_1] Any biological sample, such as dirt, water or food, contains billions of bacteria. Only a few are harmful to humans or pathogenic. But those few pathogens can make the difference between a reliable supply of meat or lettuce, for example, and a food poisoning epidemic or, worse, a pandemic. …
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[ad_1] University of Hawaiʻi Aerial image of subsidence and crevasses on the Vatnajókull ice sheet on the western Skaftákatlar subglacial lake. (Photo credit: Benedikt Gunnar Ófeigsson, Icelandic Meteorological Office) A long-standing mystery involving floods or “jökulhlaup” emerging suddenly and unpredictably from glaciers or ice caps was fortuitously solved by a …
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[ad_1] Scientists have developed an optical elastography technique that could revolutionize the accuracy and ease with which healthcare professionals can detect biomechanical changes in cells and tissues. A study derived from an international collaboration between the University of Exeter, the Gloucestershire Hospitals NHS Foundation Trust, the University of Perugia (Italy) …
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[ad_1] A new model shows how the brine on Jupiter’s moon Europa can migrate inside the frozen shell to form pockets of salt water that erupt to the surface when it freezes. The findings, important for the upcoming Europa Clipper mission, could explain cryo-volcanic eruptions through the frozen bodies of …
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