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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Mosquitoes to Other Flying Insects: Do You Even Generate Lift?
20/10/2017 Duração: 03minMosquitos stealthily float off us after filling up, by virtue of fast wingbeats that generate almost instant lift with only an imperceptible additional push from the legs. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Keep Your Wi-Fi off KRACK
19/10/2017 Duração: 01minUp-to-date software, apps, browsers and router software offer the best protection against a potential flaw in wi-fi security called a key reinstallation attack, or KRACK.
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Ships at Sea Stoke Lightning Strikes
17/10/2017 Duração: 02minExhaust fumes from oceangoing vessels lead to an almost doubling of lightning activity over shipping lanes compared to adjacent areas of the sea.
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Gamers Wanted to Attack Food Toxin
16/10/2017 Duração: 02minBy playing the online game Foldit, players might help design an enzyme that can stop aflatoxins from making millions sick.
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Even Jellyfish Need a Nap
13/10/2017 Duração: 04minJellyfish exhibit signs of a sleep state, which could mean that sleep predates the evolutionary development of central nervous systems. Learn more about your ad choices. Visit megaphone.fm/adchoices
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Squirrels Chunk Their Buried Treasure
12/10/2017 Duração: 02minUnder certain circumstances squirrels will bury all of the same kind of nut near one another, a mnemonic strategy known as chunking.
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Cougar Calls Get Big Bear Reactions
11/10/2017 Duração: 02minBlack bears and cougars share the Vancouver countryside, but not happily.
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Biometric Identifies You in a Heartbeat
06/10/2017 Duração: 01minLike fingerprints and facial recognition, the shape and beat of your heart can be used to verify your identity. Christopher Intagliata reports.
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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.