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Farmers used to sniff their soil to gauge how healthy it was. According to ecologist Rosa Boone, you can deduce a great deal from its smell: "The fungi and bacteria present in the soil are important for soil health and are responsible for the soil's smell." Boone discovered that
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Scientists discovered that tiny amounts of lead in ancient ink can make writing inside burned papyrus scrolls stand out dramatically in X-ray scans. The technique could help unlock lost Greek and Roman texts preserved by the eruption of Mount Vesuvius nearly 2,000 years ago.
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A new study from Ben-Gurion University of the Negev (BGU) has identified a molecular switch that controls whether stressed human cells activate a survival mechanism or trigger programmed cell death (apoptosis). The findings, published in Redox Biology, provide insights that could
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Scientists discovered a surprising energy paradox in the brain during REM sleep, the stage most closely associated with dreaming. Blood supply to the brain begins increasing even before REM starts, but neurons’ immediately available energy, measured as ATP, then drops. The findin
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Scientists discovered rare flavoalkaloids in Cannabis leaves for the first time, along with dozens of other phenolic compounds that had never been reported in the plant. The findings suggest that Cannabis leaves, often discarded as waste, may contain a surprisingly rich source of
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Scientists discovered two strange new sea spider species in the Salish Sea, including a hairy-legged, red-eyed species that can groom itself with comb-like appendages. Another is frequently covered in tiny parasites, and researchers say many more undiscovered sea spiders may stil
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Scientists discovered a surprising backup system that lets mammalian cells make the essential amino acid cysteine even when the pathways once considered indispensable are disabled. The same survival mechanism may help cancer cells resist treatment, raising the possibility that sh
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Scientists discovered two tiny new snail species in Montenegro, showing that even Europe still holds animals unknown to science. One lives in the threatened Komarnica Canyon, where a proposed hydropower reservoir could destroy habitat before its full biodiversity is understood.
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Some tropical trees have evolved a clever way to survive drought by taking in carbon dioxide at night, allowing them to keep their pores closed during the hot daytime and conserve water. By comparing three Clusia species, researchers discovered that this water-saving form of phot
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Astronomers have discovered the first globular cluster stellar stream beyond the Milky Way, opening a new way to study dark matter in distant galaxies. These faint trails of stars trace a galaxy’s gravitational structure and could eventually help scientists map invisible matter a
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An amateur astronomer searching satellite maps for a Quebec camping spot accidentally discovered a massive ancient impact crater. Scientists later found shatter cones that confirmed the 25-kilometer-wide structure was blasted into Earth roughly 390 million years ago.
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Researchers may have discovered the signature of a bit of dark matter.
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