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BAGANBAZAR GRAPHSource-attributed newsSCIENCE deskFarmers 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 the smell of soil can be captured and analyzed in the lab, providing insights into these microbial communities. "Monitoring soil life is becoming increasingly important, particularly in view of the forthcoming soil monitoring guidelines. My research shows that there is great potential for developing a sensor—an 'electronic nose'—that could be used to analyze microbial soil life directly, based on how it smells."
BAGANBAZAR GRAPHSource-attributed newsSCIENCE deskHow are species boundaries maintained in the face of environmental disturbance? This is not only a fundamental question in evolutionary biology but also an increasingly important one as human activities and climate change alter habitats and bring previously separated species into contact.
BAGANBAZAR GRAPHSource-attributed newsSCIENCE deskWhen we think of a volcanic eruption, rivers of glowing lava or giant columns of ash come to mind. But beneath Earth's surface, a more complex story is unfolding. Magma deep within volcanoes is more than molten rock. It is a thick mixture of melted rock and solid mineral crystals known as "magma mush". To picture it, imagine a semi-frozen granita: a slushy blend of solid ice crystals suspended in sweet liquid syrup.