60-second Science

  • Autor: Vários
  • Narrador: Vários
  • Editor: Podcast
  • Duración: 142:46:58
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Sinopsis

Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast

Episodios

  • Sick Vampire Bats Restrict Grooming to Close Family

    25/03/2020 Duración: 02min

    When vampire bats feel sick, they still engage in prosocial acts such as sharing food with nonrelatives. But they cut back on grooming anyone other than their closest kin.

  • Exponential Infection Increases Are Deadly Serious

    24/03/2020 Duración: 05min

    Listen in as I use two calculators to track the difference in numbers of infections over a short period of time, depending on how many people each infected individual infects on average.

  • Swamp Wallaby Reproduction Give Tribbles a Run

    21/03/2020 Duración: 03min

    They’re not born pregnant like tribbles, but swamp wallabies routinely get pregnant while pregnant.

  • Ocean Plastic Smells Great to Sea Turtles

    19/03/2020 Duración: 02min

    Ocean plastic gets covered with algae and other marine organisms, making it smell delicious to sea turtles—with potentially deadly results.

  • Ancient Clam Shell Reveals Shorter Day Length

    17/03/2020 Duración: 03min

    The growth layers in a 70-million-year-old clam shell indicate that a year back then had more than 370 days, with each day being only about 23.5 hours.

  • Snapping Shrimp Make More Noise in Warmer Oceans

    11/03/2020 Duración: 02min

    As oceans heat up, the ubiquitous noise of snapping shrimp should increase, posing issues for other species and human seagoing ventures.

  • Stress from Undersea Noise Interferes with Crab Camouflage

    10/03/2020 Duración: 02min

    In an example of how sea noise can harm species, exposed shore crabs changed camouflaging color sluggishly and were slower to flee from simulated predators.

  • Indigenous Amazonians Managed Valuable Plant Life

    04/03/2020 Duración: 02min

    Studies on very old vegetation in the Amazon basin show active management hundreds of years ago on species such as Brazil nut and cocoa trees.

  • Computers Confirm Beethoven's Influence

    03/03/2020 Duración: 02min

    By breaking 900 classical piano compositions into musical chunks, researchers could track Ludwig van Beethoven’s influence on the composers who followed him. Christopher Intagliata reports. 

  • Science News Briefs from around the World

    02/03/2020 Duración: 03min

    Here are a few brief reports about science and technology from around the world, including one from off the California coast about the first heart rate measurement done on a blue whale.

  • Jet Altitude Changes Cut Climate-Changing Contrails

    25/02/2020 Duración: 03min

    Increasing or decreasing the altitude of aircraft by a few thousand feet to avoid thin layers of humidity could make a major reduction to contrails’ contribution to climate change.

  • Thoroughbred Horses Are Increasingly Inbred

    24/02/2020 Duración: 02min

    Inbreeding in Thoroughbreds has increased significantly in the past 45 years, with the greatest rise occurring in the past 15 or so of them.

  • Pablo Escobar's Hippos Could Endanger Colombian Ecology

    20/02/2020 Duración: 04min

    Hippos that escaped from drug kingpin Pablo Escobar’s private zoo are reproducing in the wild. And with increasing numbers, they could threaten ecosystems.

  • Wasp Nests Help Date Aboriginal Art

    19/02/2020 Duración: 04min

    Art created by Australian Aboriginal people used organic carbon-free pigments, but wasp nests above or below the art can be used for radiocarbon dating that supplies boundaries for the age of artworks.

  • Industrial Revolution Pollution Found in Himalayan Glacier

    18/02/2020 Duración: 03min

    Ice cores from a Tibetan glacier reveal the first deposits of industrial revolution pollution, starting in layers dated to about 1780.

  • Fight-or-Flight Nerves Make Mice Go Gray

    15/02/2020 Duración: 03min

    A new study in mice concludes stress can cause gray hair—and credits overactive nerves with the change in hue. Karen Hopkin reports. 

  • Espresso May Be Better when Ground Coarser

    13/02/2020 Duración: 04min

    A very fine grind can actually hamper espresso brewing, because particles may clump more than larger particles will.

  • Feral Dogs Respond to Human Hand Cues

    11/02/2020 Duración: 04min

    Most feral dogs that did not run away from humans were able to respond to hand cues about the location of food—even without training.

  • Neandertals Tooled Around with Clams

    07/02/2020 Duración: 03min

    Neandertals ate clams and then modified the hard shells into tools for cutting and scraping.

  • Fingering Fake Whiskeys with Isotopes

    06/02/2020 Duración: 03min

    Whiskeys claimed to be from the 19th century are revealed to be made with much more recently grown barley, thanks to the unique isotopic fingerprint of the nuclear-testing era. 

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