Sinopse
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
Episódios
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When We Fly to Mars, Microbes Will, Too
05/10/2017 Duração: 01minThe microbes that live in and on our bodies will colonize a human-manned spacecraft to Mars—but will the spacecraft's microbiome be safe? Christopher Intagliata reports.
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Nobel in Chemistry for Seeing Biomolecules in Action
04/10/2017 Duração: 02minThe Nobel Prize in Chemistry goes to Jacques Dubochet, Joachim Frank and Richard Henderson for developing cryo-electron microscopy for the high-resolution structure determination of biomolecules in solution.
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Nobel in Physics for Detecting Gravitational Waves
03/10/2017 Duração: 02minThe Nobel Prize in Physics goes to Rainer Weiss, Barry C. Barish and Kip S. Thorne "for decisive contributions to the LIGO detector and the observation of gravitational waves".
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Nobel in Physiology or Medicine for Our Inner Clocks
02/10/2017 Duração: 02minThe Nobel Prize in Physiology or Medicine 2017 was awarded to Jeffrey C. Hall, Michael Rosbash and Michael W. Young for discoveries of molecular mechanisms controlling circadian rhythms.
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Electric Eels Increase Shock by Leaving Water
01/10/2017 Duração: 02minSubmerged electric eels lose current to water, so they apparently leap into the air to minimize their contact with water and maximize their shock value.
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Australian Bird Dips Its Dinner
29/09/2017 Duração: 03minA chance observation led researchers to add the Australian Magpie to the short list of birds that dunk their food in water before eating. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Tsunami Sent Species on a Transoceanic Trip
28/09/2017 Duração: 01minThe 2011 east Japan tsunami swept huge amounts of wreckage out to sea—and Japanese species hitchhiked across the Pacific on the debris. Christopher Intagliata reports.
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1 Sneeze, 1 Vote among African Wild Dogs
27/09/2017 Duração: 02minIndividuals in packs of African wild dogs appear to sneeze to make their wishes known regarding when to get up and hunt.
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This Frog Can't Hear Its Own Calls
24/09/2017 Duração: 02minThe frogs' calls are too high-pitched for the frog to detect, which may be an artifact of evolution. Christopher Intagliata reports.
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Building a Better Mirror for Telescopes
22/09/2017 Duração: 02minMore reflective telescope mirrors allow astronomers to capture more photons—and do more science. Christopher Intagliata reports.
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Galaxies Far, Far Away Send Us Highest-Energy Cosmic Rays
21/09/2017 Duração: 02minA new study hints that the most energetic particles ever seen come from far beyond the Milky Way.
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Springtime Now Arrives Earlier for Birds
20/09/2017 Duração: 02minA trove of scientific notes from the early 1900s suggests a warming climate is driving birds to migrate earlier to New York’s Mohonk Preserve. Julia Rosen reports.
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Warming Puts Squeeze on Ancient Trees
17/09/2017 Duração: 02minAs temperatures rise, the tree line moves upslope. But ancient bristlecone pines are losing that upslope race to faster-colonizing neighbors. Christopher Intagliata reports.
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Rising CO2 Pushes Plants to Drink Sparingly
16/09/2017 Duração: 02minAs carbon dioxide levels rise, plants are sipping water more efficiently—which could come in handy in a drier future. Christopher Intagliata reports.
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Cannibalism Quells Contagion among Caterpillars
12/09/2017 Duração: 02minCannibalistic caterpillars prevent disease from decimating their populations by removing infected individuals. Emily Schwing reports.
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Feds Want to Know Who's Protesting Trump
11/09/2017 Duração: 03minInternet hosting company DreamHost is battling the U.S. Justice Department over requests for information about people visiting a Web site for organizing protests. Larry Greenemeier reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Windows Vex Bats' Echolocating Abilities
07/09/2017 Duração: 02minSmooth vertical surfaces like windows reflect sound waves away from bats—meaning bats can't "see" windows and similar obstacles with echolocation. Christopher Intagliata reports.
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Wetlands Could Save Cities--and Money, Too
06/09/2017 Duração: 03minUsing insurance industry models, researchers determined that wetlands prevented some $625 million in damages due to Hurricane Sandy. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Rabbit Relatives Reel from Climate Change
02/09/2017 Duração: 03minPikas, a hampster-size rabbit relative, have disappeared from a 64-square-mile plot in the northern Sierra Nevada—and climate change is a likely culprit. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Winking Star 6 Centuries Ago Explained
01/09/2017 Duração: 04minA star that appeared and then vanished in A.D. 1437 was an explosion in a binary star system—which now reveals clues about the life cycle of certain stars. Christopher Intagliata reports. Learn more about your ad choices. Visit megaphone.fm/adchoices