Sinopsis

Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of astronomy and space exploration. 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

  • Bacteria Got an Early Fix on Nitrogen

    Bacteria Got an Early Fix on Nitrogen

    23/02/2015 Duración: 02min

    New evidence points to the evolution of the ability for bacteria to grab nitrogen from the atmosphere some 3.2 billion years ago, about 1.2 billion years earlier than thought—with implications for finding extraterrestrial life. Lee Billings reports

  • Stars Reveal Hidden Galaxy

    Stars Reveal Hidden Galaxy

    17/02/2015 Duración: 01min

    A dwarf galaxy near the Milky Way may consist of more dark matter than regular matter.* Clara Moskowitz reports

  • Space Science Budget Gets Small Lift

    Space Science Budget Gets Small Lift

    10/02/2015 Duración: 01min

    NASA has to deal with the unexpected financial consequences of robotic missions that just keep going. Lee Billings reports

  • 5 Rocky Planets Found in Ancient, Distant Solar System

    5 Rocky Planets Found in Ancient, Distant Solar System

    02/02/2015 Duración: 01min

    The oldest group of terrestrial worlds now known formed some 11.2 billion years ago, more than six billion years before our sun and planets. Clara Moskowitz reports  

  • Long-Lost Lander Found on Mars

    Long-Lost Lander Found on Mars

    26/01/2015 Duración: 01min

    New images from a NASA orbiter reveal Beagle 2’s final resting place. Lee Billings reports

  • Look Up to See Latest Comet Lovejoy

    Look Up to See Latest Comet Lovejoy

    16/01/2015 Duración: 01min

    Australian amateur astronomer Terry Lovejoy’s latest comet find is naked-eye visible in the southeast sky until January 24. Clara Moskowitz reports      

  • SpaceX Will Try Launch, Then Soft-Land Returning Booster

    SpaceX Will Try Launch, Then Soft-Land Returning Booster

    31/12/2014 Duración: 01min

    The company hopes to send up a Falcon 9 rocket and then safely land the discarded first stage for reuse. Lee Billings reports

  • Humans on Mars Soonish Says NASA Bigwig

    Humans on Mars Soonish Says NASA Bigwig

    10/12/2014 Duración: 01min

    John Grunsfeld, the former astronaut who now heads NASA’s Science Mission Directorate, thinks that traveling light could get people to Mars by the 2040s  

  • UV Light Colors Great Red Spot

    UV Light Colors Great Red Spot

    01/12/2014 Duración: 01min

    Jupiter's Great Red Spot is its particular crimson shade because of the interaction of ultraviolet light and specific chemical compounds in the gas giant's atmosphere. Lee Billings reports      

  • It’s Hard to Dust in Space

    It’s Hard to Dust in Space

    21/11/2014 Duración: 01min

    Over the summer researchers identified seven specks of dust returned to Earth by the Stardust spacecraft. But determining their true origin has been difficult. Clara Moskowitz reports

  • Comet Reeks of Cat Crap and Rotten Eggs

    Comet Reeks of Cat Crap and Rotten Eggs

    04/11/2014 Duración: 01min

    The Rosetta spacecraft has unexpectedly detected hydrogen sulphide and ammonia coming from Comet Churyumov-Gerasimenko. Lee Billings reports       

  • Track Cosmic Rays with Smartphone App

    Track Cosmic Rays with Smartphone App

    17/10/2014 Duración: 01min

    Take part in a citizen-science project by helping researchers track high-energy cosmic rays via a network of smartphone users. Clara Moskowitz reports      

  • Star-Forming Clouds May Spit Out Life’s Building Blocks

    Star-Forming Clouds May Spit Out Life’s Building Blocks

    09/10/2014 Duración: 01min

    Astronomers have discovered one of the largest and most complex organic molecules yet in a gaseous star-forming region of interstellar space. Clara Moskowitz reports

  • Dark Matter Looks WIMPy

    Dark Matter Looks WIMPy

    24/09/2014 Duración: 01min

    Data from the International Space Station-based Alpha Magnetic Spectrometer experiment supports the idea that dark matter consists of the invisible particles called weakly interacting massive particles, or WIMPs. Clara Moskowitz reports  

  • Forensic Astronomer Dates Monet Vision

    Forensic Astronomer Dates Monet Vision

    11/09/2014 Duración: 01min

    Texas State University astronomer Donald Olson combined solar, tidal and weather data to identify the likely moment of the image in the Monet work Impression, Sunrise      

  • Milky Ways Home Supercluster Found

    Milky Way's Home Supercluster Found

    04/09/2014 Duración: 01min

    Astronomers have identified the Milky Way’s cosmic address—inside the supercluster Laniakea, which means “immense heaven” in Hawaiian. Clara Moskowitz reports

  • Neptune Visit Hits 25th Anniversary

    Neptune Visit Hits 25th Anniversary

    24/08/2014 Duración: 01min

    On August 24th, 1989, the Voyager 2 spacecraft rendezvoused with Neptune, making it the farthest planet to pose for a close-up, a record it still holds today.      

  • Air Pollution Could Reveal ETs Home

    Air Pollution Could Reveal ET's Home

    13/08/2014 Duración: 01min

    If intelligent aliens are dumb enough to pollute their atmosphere, NASA’s upcoming James Webb Space Telescope is powerful enough to spot some of the signs on some exoplanets. Clara Moskowitz reports     

  • Martian Soil Salts May Make Water Ice All Wet

    Martian Soil Salts May Make Water Ice All Wet

    25/07/2014 Duración: 01min

    Within a Mars-like laboratory environment, perchlorate salts known to exist on Mars were able to lower the freezing point enough to get ice to turn to liquid water. Clara Moskowitz reports     

  • Saturn Probe Ready for Its Grand Finale

    Saturn Probe Ready for Its "Grand Finale"

    09/07/2014 Duración: 01min

    The Cassini probe readies for its final act with new flight patterns that will get unprecedented views of Saturn and culminate in a final dive into the planet's atmosphere. Clara Moskowitz reports     

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