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| A Braarudosphaera bigelowii cell magnified 1,000-fold. (Tyler Coale) | |||||
These algae can fix nitrogenA new organelle that can turn atmospheric nitrogen into biologically useful molecules has been discovered in a marine alga. It's the first time nitrogen fixation has been recorded in eukaryotes (the group of organisms that includes plants and animals). The discovery offers hope that crops could one day be engineered to grab nitrogen from the air — essentially making their own fertilizer. Nature | 4 min readReference: Science paper Nature Briefing: Microbiology is our new free weekly newsletter that is all about the most abundant living entities on our planet – microorganisms – and the role they play in health, the environment and food systems. Update your preferences to sign up. | |||||
First direct image of a Wigner crystalA Wigner crystal — a structure made entirely of electrons — has been imaged directly for the first time. Until now, there had only been indirect evidence of the crystal, which forms at low temperatures. "We never thought that we would succeed," says physicist and study co-author Ali Yazdani. "It was a bit of an accident." Using high-resolution scanning tunnelling microscopy, the team saw the electrons inside two thin graphene sheets arrange themselves into a triangular lattice, just like physicist Eugene Wigner predicted in 1934. New Scientist | 4 min readReference: Nature paper | |||||
Ritual sacrifice across Stone Age EuropeEvidence from burial sites across Europe might point to a common ritual involving human sacrifice. Shared characteristics — such as the style of killing, broken grindstones, remnants of animal sacrifices and round, silolike structures — suggest that these rituals might have been a widespread practice amongst cultures that were otherwise quite different. Critics say that the human skeletons lack some key features, such as signs of violent injury, which puts the conclusion in doubt. "Human sacrifice is widespread, and many different cultures practised it," says osteoarchaeologist Christian Meyer. "But it's difficult to prove, and there's no real evidence here beyond the arrangement of bodies in a pit." Science | 5 min readReference: Science Advances paper | |||||
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How we skipped from PhD to professorshipsAs recent PhD graduates in psychology-related fields, Violeta Rodriguez and Qimin Liu wanted to forgo postdoctoral training and instead immediately become junior professors. And they succeeded: together, they received 15 tenure-track assistant-professorship offers. To help others navigate the "stressful, fast and unpredictable" journey, they share a checklist for before you even get started. Nature | 6 min read | |||||
Futures: Three possible musesA theoretical physicist gets advice from three of his multiverse selves in the latest short story for Nature's Futures series. Nature | 6 min read | |||||
Podcast: Ghost roads drive deforestationScientists and 210 volunteers spent about 7,000 hours cataloguing more than a million kilometres of unmapped ghost roads in Borneo, New Guinea and Sumatra. "The basic bottom line is: where the roads go is where the forest destruction happens," ecologist and study co-author Bill Laurance tells the Nature Podcast. Major official roads often have many ghost roads branching off them. "One of the messages we want to say to governments is: be really careful where you develop your infrastructure," Laurance says. Nature Podcast | 23 min listenSubscribe to the Nature Podcast on Apple Podcasts, Spotify, or YouTube Music, or use the RSS feed. | |||||
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Quote of the day"I want all men to benefit from the medical research to which I've devoted my career and that is now guiding my care."Physician-geneticist Francis Collins, the former head of the US National Institutes of Health, shares the details of his prostate cancer diagnosis to highlight the importance of early detection and clinical trials, and the pervasive health inequities in screening and treatments. (The Washington Post | 7 min read) | |||||
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What matters in science | View this email in your browser Monday 11 December 2023 Hello Nature readers, Today, we gaze at what might be the largest known protein, learn about the first global deal on limiting emissions from food production and discover how publishing pressures create unusually prolific authors. A structure prediction for a massive protein discovered by computational biologist Jacob West-Roberts and his colleagues. (West-Roberts, J. et al./bioRxiv ) Not...
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