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| Researchers found the ocean of Mimas (grey sphere) by analysing how the moon wobbles in its orbit around Saturn (light blue; artificially coloured) and how Mimas's rotation around Saturn changes over time. (NASA via Alamy) | |||||
The Solar System has a new oceanMimas, a small moon of Saturn, turns out to have an ocean beneath its icy surface — despite looking too geologically inert to have water sloshing inside. The fact that unexceptional Mimas has an ocean means that "you could have liquid water almost anywhere", says astronomer Valéry Lainey. And that means a greater chance of extraterrestrial life somewhere: interactions between a buried ocean and a moon's rocky core could generate enough chemical energy to sustain living organisms. Nature | 5 min readReference: Nature paper | |||||
Cancer mutation supercharges T cellsMutations that let cancer cells thrive when healthy cells would die can boost engineered immune cells' ability to kill tumours in mice. Engineered chimeric antigen receptor (CAR) T cells are already used to treat blood cancers, but don't seem to work well for 'solid' cancers, such as breast and lung tumours. Researchers screened the effect of 71 mutations found in cancerous T cells, and found that one in particular gave T cells the power to melt away mice's tumours. "It's a very special molecule, it seems to be able to beat all the tests we put to it," says dermatologist and study co-author Jaehyuk Choi. Nature | 5 min readReference: Nature paper | |||||
Co-authors point the way to paper millsA new approach looks at authors, rather than the content of papers, to help identify journal articles that originate from 'paper mills' — factories for fake research. It looks for unusual patterns of co-authorship and peculiar networks of researchers, which could be a sign that authorship was paid for, rather than earned. The approach could be crucial as artificial intelligence (AI) systems make it all too easy to churn out convincing copy. "This is the kind of signal that is much more difficult to work around or outcompete by clever use of generative AI," says Hylke Koers of the International Association of Scientific, Technical, and Medical Publishers. Nature | 5 min readReference: arXiv preprint | |||||
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How to power the futureResearchers are developing new kinds of batteries that could provide cheaper, more efficient ways to power electric vehicles — and perhaps even aeroplanes. One of the biggest challenges will be finding a battery design using a resource that's cheaper and more sustainable than the lithium most current batteries are based on. "All of the different chemistries that aren't commercialized today have their pros and cons," says chemical engineer Brian Cunningham. "Our job is to remove all those cons." Nature | 15 min read | |||||
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How to test a Moon landing from EarthThe Moon is calling — and commercial companies and national space agencies from across the world are on their way. But four out of the eight lunar landing attempts made in the past five years have failed, showing just how tough it is to stick the landing. Nature takes a look at some key tests and challenges involved in preparing a lunar lander for its mission. Nature | 7 min read | |||||
Cyberattacks: who should pay?As the British Library and Berlin's natural history museum have experienced in recent months, cyberattacks on knowledge institutions are increasing. A Nature editorial explores how researchers can contribute to a better understanding of such attacks — and who should pay both for better cybersecurity measures and for clearing up after a breach. Nature | 5 min read | |||||
Quote of the day"Switzerland today stands at the gates of a goitre-free future."In 1922, the Basler Nachrichten newspaper heralded the success of iodized salt against an ailment that was — thanks to a quirk of geography — endemic in more than 80% of Switzerland: iodine deficiency. Now that success has been all but forgotten, writes Jonah Goodman in The London Review of Books. (19 min read) | |||||
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What matters in science | View this email in your browser Friday 3 May 2024 Hello Nature readers, Today we learn that an orangutan is the first wild animal documented using a medicinal plant to treat a wound. Plus, we explore better treatments for urinary tract infections and introduce a special collection on sex and gender in science. Rakus, two months after he was observed applying a poultice to an open wound on his cheek. The wound is healed and the scar is barely visible. ( Click through for a look at the unpl...
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