Astronomers have long sought evidence to explain why comets at the outskirts of our own solar system contain crystalline silicates, since crystals require intense heat to form and these "dirty snowballs" spend most of their ...
Astronomy
2 minutes ago
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Psychological safety—the belief that it is safe to speak up with concerns, questions or mistakes—is widely recognized as essential for organizational learning, innovation and workplace safety.
Economics & Business
4 minutes ago
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A remarkable prehistoric hammer made from elephant bone, dating back nearly half a million years ago, has been uncovered in southern England and analyzed by archaeologists from UCL and the Natural History Museum, London.
Archaeology
6 minutes ago
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In the Kenyan savanna, lions and livestock essentially live in shifts: Cattle graze during the day and are enclosed at night when lions are active.
Plants & Animals
10 minutes ago
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So-called forever chemicals or PFAS compounds are a growing environmental problem. An innovative approach to treating PFAS‐contaminated water and soil now comes from accelerator physics: high‐energy electrons can break ...
Environment
14 minutes ago
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A nanostructure made of silver and an atomically thin semiconductor layer can be turned into an ultrafast switching mirror device that may function as an optical transistor—with a switching speed around 10,000 times faster ...
Nanophysics
22 minutes ago
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Ammonia is an essential chemical used across many industries worldwide. Beyond its traditional role as a fertilizer, it is also a promising liquid hydrogen carrier and low-carbon fuel that could help reduce reliance on fossil ...
Analytical Chemistry
26 minutes ago
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Organoids are three-dimensional miniature models of organs, grown in a dish. They have become a valuable tool for studying human development, organ regeneration, function, and disease progression. Organoids derived from patient ...
Cell & Microbiology
48 minutes ago
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Starchy residue preserved in ancient stone tools may rewrite the story of crop domestication in the American Southwest, according to research led by the University of Utah.
Archaeology
57 minutes ago
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Researchers have deciphered the diet of an important nomadic people in Eastern European history. By analyzing dental calculus, they have provided the first direct evidence that the diet of the Scythians included milk from ...
Archaeology
57 minutes ago
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