Melting permafrost on Russia's Yamal Peninsula (pictured) is exposing nomadic reindeer herders (below) to anthrax.Elena Shchipkova/Alamy In November 2019, the U.S. National Academies of Sciences, Engineering,…
Mountain yellow-legged frog in Yosemite National Park, CaliforniaRoland Knapp Wild frog populations appear to have evolved resistance to deadly fungal pathogens that feed on their skin.…
puberty: A transitional stage in physical and psychological development that begins at the onset of adolescence, usually between the ages of 11 and 13, and ends…
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