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| S. annulatus young elicit their mother's 'milk' by making high-pitched clicking noises and then sticking their heads into her cloaca to feed. (Carlos Jared) | |||||
Amphibian nurses its young with 'milk'A species of amphibian is the first observed to nourish its young with a milk-like product, which it squirts from the cloaca, a combined rear opening for its reproductive and digestive systems. Siphonops annulatus is a blind, worm-like caecilian that lives underground. Lactation is considered a key characteristic of mammals, but a handful of other animals — including some birds, fish, insects and even spiders — produce nutrient-rich liquid for their offspring. Nature | 3 min readReference: Science paper | |||||
China promises more money for scienceAt its annual meeting this week, China's legislative body, the National People's Congress, promised to increase government funding for science by 10% in 2024. It's the largest boost to funding in five years. The increase comes as the Chinese economy struggles to meet growth targets and is locked in a race for technological supremacy with the United States. "To win this game, China has to invest in science and technology, especially in basic research," says Marina Zhang, who studies innovation with a focus on China. Nature | 3 min read | |||||
'Despair' over future of science in ArgentinaNew president Javier Milei hasn't outright shut down Argentina's main national science agency, CONICET, as he pledged during his presidential campaign. But by keeping its budget unchanged — in a country where annual inflation stands at more than 250% — he is making it impossible for some laboratories to stay open, say critics. On Wednesday, 68 Nobel prizewinners in chemistry, economics, medicine and physics delivered a letter to Milei expressing their concerns. "We watch as the Argentinian system of science and technology approaches a dangerous precipice, and despair at the consequences that this situation could have for both the Argentine people and the world," it says. Nature | 5 min read | |||||
Oldest stone tools in Europe point EastStone tools found in western Ukraine date to roughly 1.4 million years ago, making them the oldest known artefacts in Europe made by ancient humans. The findings support the theory that our early relatives — probably of the versatile species Homo erectus — first entered Europe from the east and spread west. The type of tools, and the location where they were found, hint that the first Europeans might have moved westwards along the valleys of the Danube River. Nature | 5 min readReference: Nature paper | |||||
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| A stone tool from the archaeological site of Korolevo in western Ukraine. (Roman Garba) | |||||
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Could the gut give rise to alcohol addiction?Researchers suggest that an imbalance in the intestinal microbiota might cause the gut to send signals to the brain that promote addiction behaviours. Even before a person's first contact with alcohol or drugs, the imbalance could give rise to traits such as impulsivity, susceptibility to stress or anxiety, and sensation-seeking, creating a vulnerability that can lead to addiction. If that's true, it could open the door to new treatments — but it's not going to be simple to address disorders that are associated with many risk factors, including mental-health conditions and genetics. "People have asked me, 'Can someone just eat yogurt and cure their addiction?'" says Drew Kiraly, a psychiatrist and physician. "It's going to be much, much more complicated than that." Nature | 10 min readThis editorially independent article is part of Nature Outlook: The human microbiome, a supplement produced with financial support from Yakult. | |||||
Why researchers trust AI systems too muchThere are four cognitive 'traps' that researchers should consider carefully before embedding AI tools in their research, say anthropologist Lisa Misseri and cognitive scientist Molly Crockett. They characterized these AI mindsets or 'visions' — 'AI as Oracle', 'AI as Arbiter', 'AI as Quant' and 'AI as Surrogate' — after reviewing 100 peer-reviewed papers, preprints, conference proceedings and books. In general, they warn researchers against imbuing AI systems with 'superhuman' abilities. "There's a risk that we forget that there are certain questions we just can't answer about human beings using AI tools," says Crockett. Nature | 44 min readRead more: Why scientists trust AI too much — and what to do about it (Nature editorial | 6 min read) Reference: Nature paper | |||||
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Futures: The CorrectivesAuthor Preston Grassmann weaves a world outside the "consensual hallucination" of cyberspace in the latest short story for Nature's Futures series. Nature | 6 min read | |||||
Podcast: Bees learn new tricks from othersOne behaviour that was thought to be unique to humans is the ability to learn something from your predecessors that you couldn't figure out on your own. Now researchers have shown that bumblebees are also capable of this 'standing on the shoulders of giants' approach to learning. Bees taught how to complete a puzzle too difficult to solve on their own were able to share this knowledge with other bees, raising the possibility that this ability could be widespread among animals. Nature Podcast | 36 min listenSubscribe to the Nature Podcast on Apple Podcasts, Google Podcasts or Spotify, or use the RSS feed. | |||||
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Quote of the day"Don't waste time doubting yourself. Walk away and take your bright mind to a place where it will be valued."Gender-equality researcher Susanne Täuber was dismissed from her job after blowing the whistle on bias. Her advice for others concerned about their workplace: trust your gut feeling. (Nature | 5 min read) | |||||
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What matters in science | View this email in your browser Friday 2 February 2024 Hello Nature readers, Today we explore language-learning through a baby's eyes, explore why autoimmune disease is more common in women and discover an alternative to qubits called 'qumodes'. The artificial intelligence (AI) learned using video and audio from a helmet-mounted camera worn by Sam — here aged 18 months. (Wai Keen Vong) AI learns language through a baby's eyes ...
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