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Long before novocaine, a Neanderthal in Siberia apparently sat still while someone drilled into a screaming molar with a stone tool. That's the scenario sketched by scientists studying a 59,000-year-old tooth from Chagyrskaya Cave, described Wednesday in PLOS One . The molar bears a clean, circular hole and microscopic V-shaped...
Australian Geographic - 1 day 11 hours agoEastern barred bandicoots have recently been downgraded from extinct to endangered on mainland Australia, thanks to the efforts of conservationists over decades. Here's how they did it and the good news is, many more species could be saved in the same way. The post How to save a bandicoot appeared first on Australian Geographic .
Not aliens, but the mystery is far from over. ScienceAlert stories are written, fact-checked, and edited by humans, never generated by AI. Don't miss a story, subscribe here.
UC Davis researchers created brand-new psychedelic-like compounds by shining UV light on amino acid-based molecules. These compounds activated key serotonin receptors tied to brain plasticity and mental health benefits, but surprisingly did not cause hallucination-like behavior in animal tests. Scientists say the discovery could lead to future treatments for depression, PTSD, and addiction without the intense psychedelic experience.
NPR - 1 day 19 hours agoNPR's Scott Detrow talks with astrophysicist Adam Frank about the government's release of files related to Unidentified Anomalous Phenomena.
Australian Geographic - 1 day 20 hours agoThis bike rack promises to make the often stressful bike-carrying exercise nice and easy. We spent six months testing that claim. The post Thule OutPace 3: Tested appeared first on Australian Geographic .
In a patchwork of Hawaiian forest islands marooned by old lava flows, some native songbirds have turned to larceny. A new study finds that several species of Hawaiian honeycreepers routinely swipe nest-building materials from their neighbors rather than gather their own, reports the New York Times . Researchers tracking 216 nests...
Mother Jones - 1 day 22 hours agoThis story was originally published by Grist and is reproduced here as part of the Climate Desk collaboration. Johnny Appleseed was ahead of his time. Not because he fed so many people by planting apple trees (really, he got them drunk instead, as his real goal was encouraging the production of cider) but because he created so much shade to enjoy […]...
They Searched the Desert for Ancient Nazca Lines. Then Hundreds of Hidden Figures Started Appearing.
Popular Mechanics - 1 day 23 hours agoThe mystery just keeps growing.
Popular Mechanics - 2 days 23 min agoRight down to the Holy Grail ... almost.
One of the earliest stated goals for computing in medicine was to aid in clinical reasoning: the decision-making steps required to reach a diagnosis and form a treatment plan. And over the years, researchers have built many clinical decision support systems, which have typically been purpose-built, with painstakingly written rules about symptoms, test thresholds, and medication interactions. As artificial intelligence capabilities develop, clinical reasoning is a natural application. Now, a large...
Retraction Watch - 2 days 3 hours agoAn Elsevier journal has removed two papers on a discredited alternative treatment for cancer nearly half a century after they were published, after researchers found a quarter of patients in case reports of the therapy, cesium chloride, died from taking the substance. Some alternative medicine advocates marketed cesium chloride as a cancer treatment in the … Continue reading Elsevier journal removes two 42-year-old papers on cesium as a cancer treatment...
Last Word On Nothing - 2 days 7 hours agoOver the last decade as my obsession with jumping spiders has grown, I’ve often wondered why some most people hate spiders. What is it about spiders that makes them particularly aversive? At first I was mostly just curious, but my conversations with arachnologists convinced me this question is actually important. Many researchers struggle to find […] The post Why do people hate spiders? appeared first on The Last Word On Nothing .
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