Hermit warblers in California have developed 35 different song dialects, apparently as a result of wildfires temporarily driving them out of certain areas. Learn more about your ad choices. Visit megaphone.fm/adchoices
Scientists determined that “lava world” exoplanets do not derive their brightness from molten rock but possibly get it from reflective metallic clouds. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Climate change is expected to bring more frequent droughts and heat waves to Africa’s Kalahari Desert. And aardvarks might not be able to cope. Jason G. Goldman reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
A decline in smell was the sense loss most strongly associated with such risk in a recent study. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
Compared with traditional lineup techniques, a series of two-faces-at-a-time choices led to more accurate identification by study witnesses. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
Now submerged caves in the Yucatán Peninsula contain remains of ocher-mining operations that date back at least 10,000 years. Learn more about your ad choices. Visit megaphone.fm/adchoices
Soap bubbles are sticky enough to carry a pollen payload and delicate enough to land on flowers without harm. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
COVID-19-related lockdowns dampened human activity around the globe—giving seismologists a rare glimpse of the earth’s quietest rumblings. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Art museums are filled with centuries-old paintings with details of plants that today give us clues about evolution and breeding practices. Learn more about your ad choices. Visit megaphone.fm/adchoices
Meteorologists take advantage of weather data collected by commercial jetliners at different altitudes and locations. Fewer flights mean less data. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
The system works like noise-cancelling headphones but fits over an open window. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
Vaccination used against smallpox during the Civil War reveals the identity of the distantly related virus used to keep troops disease-free. Learn more about your ad choices. Visit megaphone.fm/adchoices
Individuals aren’t very good at judging whether someone coughing or sneezing has an infectious condition or is simply reacting to something benign. Learn more about your ad choices. Visit megaphone.fm/adchoices
Those that eat insects, migrate or usually live in the woods are most likely to fly into buildings that feature a lot of glass. Learn more about your ad choices. Visit megaphone.fm/adchoices
White-throated sparrows made a change to their familiar call that quickly spread across Canada. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
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. Learn more about your ad choices. Visit megaphone.fm/adchoices
Velvety free-tailed bats produce sounds that help them locate insect prey but simultaneously identify them to their companions. Learn more about your ad choices. Visit megaphone.fm/adchoices
Old, big trees are dying faster than in the past, leaving younger, less biodiverse forests that store less carbon worldwide. Learn more about your ad choices. Visit megaphone.fm/adchoices
The stomach contents of young great white sharks show that they spend a lot of time patrolling the seafloor for meals. Learn more about your ad choices. Visit megaphone.fm/adchoices
Political scientists analyzed congressional tweets and observed how Republicans and Democrats responded differently to the virus. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
The gross ecosystem product, or GEP, tries to take into account the contribution of nature to the economy. Learn more about your ad choices. Visit megaphone.fm/adchoices
Many species are known to have changed their migration routes in response to the changing climate. They now include mule deer and Bewick’s swans. Learn more about your ad choices. Visit megaphone.fm/adchoices
Here are some brief reports about science and technology from around the planet, including one about a 70-million-year-old mollusk fossil that reveals years back then had a few more days than we have now. Learn more about your ad choices. Visit megaphone.fm/adchoices
By hardening the nation’s streets and highways, trucks would use less fuel and spare the planet carbon emissions. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
