Episodes
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Scientists spotted a mouse at the summit of Llullaillaco, a 22,000-foot-tall volcano on the border of Chile and Argentina. Julia Rosen reports.
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A decline in smell was the sense loss most strongly associated with such risk in a recent study. Christopher Intagliata reports.
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Missing episodes?
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Rather than undergoing active chameleonlike color changes, glass frogs’ translucency allows light to bounce from their background and go through them—making their apparent color close to their setting.
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Compared with traditional lineup techniques, a series of two-faces-at-a-time choices led to more accurate identification by study witnesses.
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An analysis of fox fossils found evidence that they scavenged from wolf and bear kills until Homo sapiens supplied plenty of horse and reindeer remains.
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Now submerged caves in the Yucatán Peninsula contain remains of ocher-mining operations that date back at least 10,000 years.
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Soap bubbles are sticky enough to carry a pollen payload and delicate enough to land on flowers without harm.
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Here are some brief reports about science and technology from all over, including one about how a lizard population responded to hurricanes by developing larger and stickier toe pads on average.
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COVID-19-related lockdowns dampened human activity around the globe—giving seismologists a rare glimpse of the earth’s quietest rumblings. Christopher Intagliata reports.
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Art museums are filled with centuries-old paintings with details of plants that today give us clues about evolution and breeding practices.
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Meteorologists take advantage of weather data collected by commercial jetliners at different altitudes and locations. Fewer flights mean less data.
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The sword-tailed cricket can discern bats’ echolocation signals by only responding to calls of a certain volume—at which point it plummets out of their approach.
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The system works like noise-cancelling headphones but fits over an open window. Christopher Intagliata reports.
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Vaccination used against smallpox during the Civil War reveals the identity of the distantly related virus used to keep troops disease-free.
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Individuals aren’t very good at judging whether someone coughing or sneezing has an infectious condition or is simply reacting to something benign.
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Those that eat insects, migrate or usually live in the woods are most likely to fly into buildings that feature a lot of glass.
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White-throated sparrows made a change to their familiar call that quickly spread across Canada.
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Scientists have found snippets of Native South American DNA in the genomes of present-day Polynesians, and they trace the contact to the year 1150. Christopher Intagliata reports.
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Researchers saw a third fewer vehicle collisions with deer, elk, moose and other large mammals in the four weeks following COVID-19 shutdowns in three states they tracked.
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Velvety free-tailed bats produce sounds that help them locate insect prey but simultaneously identify them to their companions.
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