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Redaktionellt bearbetade vetenskapsnyheter — 3222 artiklar

Blossoming among spoil heaps: how 1,000 years of lead mining gave birth to banks of pansies and pennycress
<p>Calaminarian grassland is a rare habitat where plants thrive in soils contaminated by heavy metals. But should these toxic meadows be protected or allowed to fade away?</p><p>At first, the small purple flowers are hard to spot in the weak May sunshine. Slowly the drifts of delicate mountain pansies, along with the white rosettes of alpine pennycress, begin to jump out, scattered across an area little bigger than a football pitch, on the banks of the River Allen in Northumberland.</p><p>This is a pocket of calaminarian grassland, an increasingly rare habitat where specialist plants called metallophytes have adapted to live in soils deeply contaminated by heavy metals, the legacy of more than 1,000 years of lead mining.</p> <a href="https://www.theguardian.com/environment/2026/may/27/blossoming-spoil-heaps-plants-metallophytes-heavy-metal-aoe">Continue reading...</a>
Story of dinosaur-killer meteorite impact told in vivid detail
<p>Two scientists have described the bright fireball, crackling noise and sonic boom of the impact 66m years ago</p><p>What would it have been like to have lived through the meteorite impact that wiped out the dinosaurs 66m years ago? Writing in <a href="https://theconversation.com/what-it-would-have-been-like-to-experience-the-dinosaur-killing-asteroid-armageddon-a-blow-by-blow-account-271786">the Conversation</a>, Michael Benton, of the University of Bristol, and Monica Grady, of the Open University, describe in vivid detail how it might have felt.</p><p>The first sign that something was amiss would have been a new star visible for about a week before the event. Upon its arrival, all living creatures near the impact site would have seen the bright fireball, heard its crackling noise and experienced a sonic boom before being swiftly incinerated.</p> <a href="https://www.theguardian.com/science/2026/may/27/dinosaur-killer-meteorite-impact-vivid-detail-terrawatch">Continue reading...</a>
Se upp för barnens giftiga leksaker
<p>Den fluffiga koalan är speciellt framtagen för att lugna och trösta. Gosedjuret imiterar andning och hjärtljud, och sensorer känner av andningsmönster. På magen sitter en &#8230;</p> <p>The post <a rel="nofollow" href="https://fof.se/artikel/se-upp-for-barnens-giftiga-leksaker/">Se upp för barnens giftiga leksaker</a> appeared first on <a rel="nofollow" href="https://fof.se">Forskning &amp; Framsteg</a>.</p>
Women’s faces rated more attractive even by other women, study finds
<p>‘Gender attractiveness gap’ appears across cultures and over centuries but difference fades away with age</p><p>Women’s faces are rated as more attractive than men’s, even by other women, but the perceived gap declines with age and all but vanishes by the time people reach their 80s, researchers have said.</p><p>The work appears to confirm the existence of a “gender attractiveness gap”, an observation reflected in centuries of language that present women as “the fairer sex”, “das schöne Geschlecht”, “le beau sexe”, and far more beyond Europe.</p> <a href="https://www.theguardian.com/society/2026/may/27/women-faces-rated-more-attractive-study">Continue reading...</a>
Climate crisis is accelerating antibiotic resistance across world, study says
<p>Experts say climate change linked to 10% rise in salmonella antibiotic resistance genes between 1940 and 2023</p><p>The climate crisis is accelerating a global increase in antibiotic resistance that poses a serious threat to human health, experts have said as figures show a rise in salmonella antibiotic resistant genes.</p><p>Antibiotic resistance is one of the fastest-growing threats to global health. It can affect people of any age in any country and already kills more than 1 million people a year, according to estimates.</p> <a href="https://www.theguardian.com/society/2026/may/26/climate-crisis-accelerating-antibiotic-resistance-across-world-salmonella-study">Continue reading...</a>
Nasa selects Jeff Bezos’s Blue Origin for first of three uncrewed lunar missions
<p>Three lunar landings are planned for this year in preparation for the construction of a $20bn moon base</p><ul><li><p><a href="https://www.theguardian.com/news/2026/feb/17/sign-up-for-the-breaking-news-us-email-to-get-newsletter-alerts-direct-to-your-inbox?utm_medium=ACQUISITIONS_STANDFIRST&amp;utm_campaign=BN22326&amp;utm_content=signup&amp;utm_term=standfirst&amp;utm_source=GUARDIAN_WEB">Sign up for the Breaking News US newsletter email</a></p></li></ul><p><a href="https://www.theguardian.com/science/nasa">Nasa</a> announced on Tuesday ambitious plans for three uncrewed lunar missions this year to kickstart construction of a <a href="https://www.theguardian.com/science/2026/mar/24/nasa-moon-base-cancelling-artemis">$20bn moon base</a>, and said it had chosen the Amazon founder Jeff Bezos’s <a href="https://www.theguardian.com/science/blue-origin">Blue Origin</a>, ahead of Elon Musk’s <a href="https://www.theguardian.com/science/spacex">SpaceX</a>, to conduct the first.</p><p>The revelation by Nasa’s administrator, Jared Isaacman, at a press conference in Washington DC marked the first detailed public explanation of how and when the moon base will be built.</p> <a href="https://www.theguardian.com/science/2026/may/26/nasa-jeff-bezos-blue-origin">Continue reading...</a>