{"id":157021,"date":"2024-10-19T12:02:46","date_gmt":"2024-10-19T12:02:46","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/10\/19\/readers-are-curious-about-dark-matter-plastics-effects-on-pollination-and-percys-selfies\/"},"modified":"2024-10-19T12:02:46","modified_gmt":"2024-10-19T12:02:46","slug":"readers-are-curious-about-dark-matter-plastics-effects-on-pollination-and-percys-selfies","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2024\/10\/19\/readers-are-curious-about-dark-matter-plastics-effects-on-pollination-and-percys-selfies\/","title":{"rendered":"Readers are curious about dark matter, plastics&#8217; effects on pollination and Percy&#8217;s selfies"},"content":{"rendered":"<div style=\"text-align:center\"><\/div> \r\n<br><div data-component=\"video-embed\">\n\t\t\t\t\n\n\n\n<div class=\"wp-block-image  has-alignleft\">\n<figure class=\"alignleft size-full is-resized\"><a href=\"https:\/\/www.sciencenews.org\/sn-magazine\/august-24-2024\"><\/a><\/figure><\/div>\n\n\n<h4 class=\"wp-block-heading\">Let\u2019s talk neutrinos<\/h4>\n\n\n\n<p><em>Two dark matter experiments have spotted signs of neutrinos knocking into atomic nuclei in their detectors. The finding portends a future obstacle for the detectors, <strong>Emily Conover<\/strong> reported in \u201c <a href=\"https:\/\/www.sciencenews.org\/article\/neutrino-fog-dark-matter-experiments\">\u2018Fog\u2019 invades dark matter experiments<\/a>\u201d (<\/em>SN: 8\/24\/24, p. 12<em>).<\/em><\/p>\n\n\n\n<p>These detectors scan for dark matter\u2019s interactions with the nucleus of a xenon atom. Reader <strong>Robert Walty<\/strong> wondered how that could work. 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But the mysterious substance could potentially interact through other forces, <strong>Conover<\/strong> says. It is possible dark matter might interact via the weak nuclear force, for example. \u201cThat type of interaction is what these detectors are looking for,\u201d she says.<\/p>\n\n\n\n<p><strong>Walty<\/strong> also asked how a neutrino, which is much smaller than a proton, could slam into an entire atomic nucleus.<\/p>\n\n\n\n<p>\u201cSubatomic particles aren\u2019t like billiard balls of different sizes bouncing around. Instead, they act like waves,\u201d <strong>Conover<\/strong> says. If a particle\u2019s wavelength is longer than an atom\u2019s nucleus, it will interact with the nucleus as a whole, rather than with an individual proton or neutron. In the case of a neutrino hitting a nucleus, the interaction actually occurs through another particle, called a Z boson, which the neutrino exchanges with the nucleus. If the Z boson\u2019s wavelength is big enough, the whole nucleus will recoil as one.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Pollination and plastics<\/h4>\n\n\n\n<p><em>The electrostatically charged wings of moths and butterflies could draw pollen out of nearby flowers without the insects needing to land on the blooms,<strong> Anna Gibbs<\/strong> reported in \u201c<a href=\"https:\/\/www.sciencenews.org\/article\/static-electricity-pollination\">Pollination via static electricity<\/a>\u201d (<\/em>SN: 8\/24\/24, p. 13<em>).<\/em><\/p>\n\n\n\n<p>Reader <strong>Michael Skinner<\/strong> asked whether that static could also attract microplastics and interfere with pollination.<\/p>\n\n\n\n<p>Unfortunately, the answer is probably yes, says ecologist <strong>Sam England<\/strong> of the Natural History Museum in Berlin. Microplastics tend to be electrostatically charged, so they would likely be attracted to pollinators with the opposite charge, he says. The materials could also possibly mess with pollination, since they \u201care known to interfere with many different biological processes in plants,\u201d <strong>England<\/strong> says. But this has yet to be tested, so the magnitude of these potential effects are unknown.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Portraits of a rover<\/h4>\n\n\n\n<p><em>NASA\u2019s Perseverance rover has found its first possible hint of ancient life on Mars, <strong>Lisa Grossman <\/strong>reported in \u201c<a href=\"https:\/\/www.sciencenews.org\/article\/nasa-perseverance-rover-hint-life-mars\">Mars rover finds a major surprise<\/a>\u201d (<\/em>SN: 8\/24\/24, p. 6<em>).<\/em><\/p>\n\n\n\n<p>Readers asked how the rover, nicknamed Percy, snapped the photo of itself featured in the story.<\/p>\n\n\n\n<p>Percy\u2019s \u201cselfies\u201d are actually a team effort. The rover\u2019s WATSON camera is primarily designed for close-ups of rocks and captures only small parts of a scene. So engineers on Earth direct Percy to take dozens of photos of itself from various angles. Image processing engineers then use software to clean up and assemble the shots into a complete image.<\/p>\n\n\t\t\t<\/div>\r\n<br>\r\n<br><a href=\"https:\/\/www.sciencenews.org\/article\/dark-matter-plastics-pollination-percy-selfie\">Source link <\/a>","protected":false},"excerpt":{"rendered":"<p>Let\u2019s talk neutrinos Two dark matter experiments have spotted signs of neutrinos knocking into atomic nuclei in their detectors. The finding portends a future obstacle for the detectors, Emily Conover reported in \u201c \u2018Fog\u2019 invades dark matter experiments\u201d (SN: 8\/24\/24, p. 12). These detectors scan for dark matter\u2019s interactions with the nucleus of a xenon [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":157022,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","fifu_image_url":"https:\/\/i0.wp.com\/www.sciencenews.org\/wp-content\/uploads\/2024\/08\/082424_cover_680.jpg?resize=680%2C879&ssl=1","fifu_image_alt":"","footnotes":""},"categories":[606],"tags":[52492,1866,14786,6776,122942,3764,122941,4885,42441],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/157021"}],"collection":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/comments?post=157021"}],"version-history":[{"count":1,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/157021\/revisions"}],"predecessor-version":[{"id":157023,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/157021\/revisions\/157023"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media\/157022"}],"wp:attachment":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media?parent=157021"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/categories?post=157021"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/tags?post=157021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}