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Redaktionellt bearbetade vetenskapsnyheter — 3196 artiklar

Magic mushrooms could be effective treatment for cocaine addiction, study shows
<p>Participants who got single dose of psilocybin were more likely to abstain from cocaine than those who got placebo</p><p>Results from a new clinical trial show that a single dose of psilocybin could be an effective treatment for cocaine addiction.</p><p>The study, published in Jama Network Open this month, showed that 19 participants who received a single dose of psilocybin were more likely to abstain from cocaine than 17 participants who received a placebo of diphenhydramine, a common antihistamine.</p> <a href="https://www.theguardian.com/science/2026/may/18/magic-mushrooms-treatment-cocaine-addiction-study">Continue reading...</a>
Nu undersöks 1800-talets grosshandlarträdgårdar vid Kolmården av arkeologer
<p>Med den dramatiska Kolmårdsbranten i ryggen och vyer mot Bråviken var det en idealisk plats för ett sommarnöje, tyckte snusfabrikör Erik Swartz från Norrköping. I &#8230;</p> <p>The post <a rel="nofollow" href="https://fof.se/artikel/nu-undersoks-1800-talets-grosshandlartradgardar-vid-kolmarden-av-arkeologer/">Nu undersöks 1800-talets grosshandlarträdgårdar vid Kolmården av arkeologer</a> appeared first on <a rel="nofollow" href="https://fof.se">Forskning &amp; Framsteg</a>.</p>
Starwatch: A young crescent moon journeys past Venus and Jupiter
<p>The slim arc of a two-day-old moon will pass Venus shining brightly</p><p>Keep an eye on the western sky after sunset this week to watch a beautiful sequence unfold over several evenings. A young crescent moon moves first past Venus and then Jupiter, creating a chance to track the moon’s movement through its orbit around the Earth.</p><p>The chart shows the view on 18 May looking west from London at 22.00. The moon will be just 2.4 days old, and just 6.2% of its visible surface will be illuminated. Close to this slim arc of light, Venus will be shining brightly, unmistakable even in twilight.</p> <a href="https://www.theguardian.com/science/2026/may/18/starwatch-a-young-crescent-moon-journeys-past-venus-and-jupiter">Continue reading...</a>
‘You only have so much space’: the limits of reducing infection risk on cruise ships
<p>It is hardly a surprise that outbreaks can occur and experts say many of the factors involved are not easy to change</p><p>It was a voyage that promised such stuff as dreams are made of, yet within weeks the Atlantic expedition of the MV Hondius had become a nightmare, with <a href="https://www.theguardian.com/world/2026/may/03/three-passengers-dead-after-suspected-hantavirus-outbreak-on-cruise-ship">three passengers dead</a> from hantavirus and more showing symptoms.</p><p>Meanwhile, an <a href="https://www.theguardian.com/world/2026/may/13/france-confines-passengers-cruise-ship-norovirus-death-bordeaux">outbreak of norovirus</a> is under investigation on another cruise ship, while flu, <em>E coli</em> and varicella – the virus that causes chickenpox – have also caused problems in such settings. Perhaps most memorably, in 2020 <a href="https://www.theguardian.com/global-development/2020/mar/06/inside-the-cruise-ship-that-became-a-coronavirus-breeding-ground-diamond-princess">the Diamond Princess</a> became a breeding ground for Covid, with passengers and crew quarantined for two weeks off the coast of Japan and more than 700 of the 3,711 people onboard eventually testing positive.</p> <a href="https://www.theguardian.com/science/2026/may/17/limits-of-reducing-infection-risk-on-cruise-ships">Continue reading...</a>
‘We’re not ready’: US lags on pandemic preparedness after Covid, experts say
<p>Experts say slashed funding and growing misinformation are some of the greatest challenges facing public health</p><p>The hantavirus outbreak, while unlikely to spark the next big pandemic, is shining a spotlight on the ways public health has deteriorated in the US: its ability to test for rare diseases, its expertise on outbreak prevention and response, its ability to battle misinformation and restore trust.</p><p>“Assuming everything goes well in containing this outbreak, which I hope it does, the takeaway from that should not be ‘we’re fine,’” said Stephanie Psaki, former White House global health security coordinator. “We’re not ready for this type of threat.”</p> <a href="https://www.theguardian.com/us-news/2026/may/17/pandemic-preparedness-after-covid">Continue reading...</a>