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Honeybees can apparently detect when their food has the wrong balance of essential nutrients and adjust how much they eat to avoid potentially harmful excesses. They also transform pollen into remarkably well-balanced “baby food” for their larvae, revealing a sophisticated nutritional strategy hidden inside the hive.
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Coffee drinkers may be getting more than an energy boost. A Finnish study found that people who drank more coffee tended to have less total and abdominal fat, more muscle, and healthier metabolic markers despite having similar BMIs. Higher coffee intake was also linked to lower levels of certain amino acids associated with insulin resistance and type 2 diabetes risk.
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Miocene South America was packed with giant prey—and the predators hunting them were just as spectacular. Fossil bite marks suggest crocodylians, especially the enormous Purussaurus neivensis, were more important predators than mammals in this ancient tropical ecosystem. At around seven meters long, Purussaurus may even have helped control populations of giant herbivores.
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A tiny machine made from just an atom and particles of light may sound impossibly simple, but it raises a surprisingly difficult question: what counts as heat, and what energy can still do useful work? University of Basel researchers have developed a theoretical framework that brings quantum physics and thermodynamics into better agreement for these microscopic “light engines.”
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A tomb in Egypt’s Theban Necropolis reveals a surprisingly organized story of burial, reuse, and changing beliefs spanning hundreds of years. Researchers found 16 mummified people, the remains of at least four more, and a mummified dog, with burials ranging from wealthy individuals laid in coffins with amulets and imported goods to later bodies carefully stacked in increasingly crowded spaces.
